/* ============================================================
   MecaSamType Web — Hoja de estilos principal
   Estética arcade oscura, teclado español, sin frameworks.
   ============================================================ */

/* 1. Tokens y base
   ============================================================ */
:root {
  --bg: #06090e;
  --bg-soft: #0a0f17;
  --panel: rgba(15, 22, 33, 0.82);
  --panel-solid: #0f1621;
  --panel-2: #121b28;
  --panel-3: #172233;
  --line: rgba(148, 170, 190, 0.14);
  --line-soft: rgba(148, 170, 190, 0.08);

  --text: #e8f1ef;
  --text-2: #c3d2d5;
  --muted: #8194a4;
  --muted-2: #627484;

  --teal: #32e6c4;
  --teal-2: #14b8a6;
  --teal-dim: rgba(50, 230, 196, 0.14);
  --violet: #8b6cff;
  --violet-dim: rgba(139, 108, 255, 0.14);
  --amber: #ffb84d;
  --amber-dim: rgba(255, 184, 77, 0.14);
  --danger: #ff5d73;
  --danger-dim: rgba(255, 93, 115, 0.14);
  --blue: #5aa9ff;
  --pink: #ff7a90;

  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 30px;

  --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  --shadow-soft: 0 12px 34px rgba(0, 0, 0, 0.28);

  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  --topbar: 68px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1000px 600px at 8% -12%, rgba(50, 230, 196, 0.13), transparent 60%),
    radial-gradient(900px 600px at 100% 0%, rgba(139, 108, 255, 0.13), transparent 58%),
    radial-gradient(900px 700px at 50% 120%, rgba(90, 169, 255, 0.08), transparent 60%),
    linear-gradient(180deg, #06090e 0%, #070b11 55%, #06090e 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 170, 190, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 170, 190, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 72%);
  opacity: 0.7;
}

[hidden] {
  display: none !important;
}

h1,
h2,
h3,
h4,
p,
ul,
ol {
  margin: 0;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
}

::selection {
  background: rgba(50, 230, 196, 0.28);
  color: #fff;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(148, 170, 190, 0.22);
  border-radius: 99px;
  border: 3px solid transparent;
  background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 170, 190, 0.34);
  background-clip: padding-box;
}

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 1.15em;
  height: 1.15em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -0.18em;
}

.noscript {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--bg);
  color: var(--text);
  z-index: 999;
  font-weight: 600;
}

/* 2. Utilidades y componentes
   ============================================================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(50, 230, 196, 0.12);
  animation: pulseDot 2.2s ease-in-out infinite;
}

.grad {
  background: linear-gradient(100deg, var(--teal) 0%, #7ff5dc 42%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.22rem 0.55rem;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.badge-amber {
  color: var(--amber);
  border-color: rgba(255, 184, 77, 0.28);
  background: var(--amber-dim);
}

.badge-teal {
  color: var(--teal);
  border-color: rgba(50, 230, 196, 0.26);
  background: var(--teal-dim);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.7rem 1.1rem;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1;
  transition: transform 0.16s ease, background 0.16s ease, border-color 0.16s ease,
    box-shadow 0.16s ease, color 0.16s ease;
  white-space: nowrap;
}

.btn .icon {
  width: 1.05em;
  height: 1.05em;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  color: #04120f;
  background: linear-gradient(120deg, var(--teal) 0%, #7ff5dc 100%);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 28px rgba(50, 230, 196, 0.22);
}

.btn-primary:hover {
  box-shadow: 0 14px 34px rgba(50, 230, 196, 0.3);
  filter: brightness(1.04);
}

.btn-ghost {
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.035);
  border-color: var(--line);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(148, 170, 190, 0.26);
  color: var(--text);
}

.btn-violet {
  color: #f4f0ff;
  background: linear-gradient(120deg, #7c5cff, #9d85ff);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 10px 28px rgba(124, 92, 255, 0.25);
}

.btn-block {
  width: 100%;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  color: var(--muted);
  transition: all 0.16s ease;
}

.icon-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(148, 170, 190, 0.26);
}

.icon-btn .icon {
  width: 18px;
  height: 18px;
}

/* 3. Marca
   ============================================================ */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  width: fit-content;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  color: #04120f;
  background: linear-gradient(135deg, var(--teal), #7ff5dc);
  box-shadow: 0 8px 22px rgba(50, 230, 196, 0.25);
  flex: none;
}

.brand-mark .icon {
  width: 22px;
  height: 22px;
  stroke-width: 2;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.brand-name em {
  font-style: normal;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-dim);
  border: 1px solid rgba(50, 230, 196, 0.22);
  padding: 0.12rem 0.38rem;
  border-radius: 5px;
  vertical-align: 2px;
  margin-left: 0.2rem;
}

.brand-sm .brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

.brand-sm .brand-mark .icon {
  width: 19px;
  height: 19px;
}

.brand-sm .brand-name {
  font-size: 1rem;
}

/* 4. Pantalla de acceso
   ============================================================ */
.auth {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(430px, 0.92fr);
  overflow: hidden;
}

.auth-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  opacity: 0.5;
}

.auth-glow-a {
  width: 480px;
  height: 480px;
  background: rgba(50, 230, 196, 0.18);
  top: -180px;
  left: -120px;
}

.auth-glow-b {
  width: 520px;
  height: 520px;
  background: rgba(139, 108, 255, 0.16);
  bottom: -240px;
  right: 18%;
}

.auth-left {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(1.4rem, 3.6vw, 3.4rem) clamp(1.4rem, 5vw, 5rem);
}

.brand-auth {
  align-self: flex-start;
}

.auth-copy {
  width: min(640px, 100%);
  margin: auto 0;
  padding: 2rem 0;
}

.auth-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4.6vw, 4.1rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  font-weight: 600;
  margin: 0.9rem 0 1.1rem;
}

.auth-lead {
  max-width: 500px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 1.8rem 0 0;
  display: grid;
  gap: 0.85rem;
  max-width: 520px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line);
  color: var(--teal);
  flex: none;
}

.feature-icon .icon {
  width: 18px;
  height: 18px;
}

.feature-list strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.feature-list span {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.45;
}

.auth-stage {
  position: relative;
  width: min(540px, 92%);
  margin-top: 2.6rem;
  perspective: 900px;
}

.stage-card {
  position: relative;
  padding: 1.15rem 1.25rem 1rem;
  border-radius: 18px;
  border: 1px solid rgba(148, 170, 190, 0.18);
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015)),
    #0d141e;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
  transform: rotate(-1.4deg);
}

.stage-top {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  color: var(--muted-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stage-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal);
}

.stage-live {
  margin-left: auto;
  color: var(--teal);
  font-size: 0.58rem;
}

.stage-text {
  margin: 1rem 0 1.2rem;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 1.5vw, 1.28rem);
  letter-spacing: 0.01em;
  color: #6f818d;
  white-space: nowrap;
  overflow: hidden;
}

.stage-text .ok {
  color: var(--teal);
}

.stage-text .cur {
  color: #fff;
  border-left: 2px solid var(--teal);
  padding-left: 1px;
  animation: caretWord 1s steps(1) infinite;
}

.stage-stats {
  display: flex;
  gap: 1.6rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line-soft);
}

.stage-stats div {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}

.stage-stats b {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--text);
  font-weight: 600;
}

.stage-stats span {
  font-size: 0.64rem;
  color: var(--muted-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.keycap {
  position: absolute;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 11px;
  border: 1px solid rgba(148, 170, 190, 0.22);
  border-bottom: 3px solid rgba(50, 230, 196, 0.55);
  background: linear-gradient(180deg, #1a2534, #101823);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.45);
  animation: floatKey 5.5s ease-in-out infinite;
}

.keycap-f {
  top: -28px;
  right: 168px;
  transform: rotate(8deg);
}

.keycap-j {
  bottom: 10px;
  right: -18px;
  transform: rotate(-7deg);
  animation-delay: -1.4s;
}

.keycap-n {
  top: 38%;
  left: -26px;
  transform: rotate(-9deg);
  animation-delay: -2.6s;
}

.keycap-space {
  width: 96px;
  bottom: -26px;
  right: 34px;
  transform: rotate(3deg);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  animation-delay: -0.7s;
}

.stage-badge {
  position: absolute;
  top: -31px;
  right: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  border-radius: 99px;
  border: 1px solid rgba(255, 184, 77, 0.3);
  background: #1b160c;
  color: var(--amber);
  font-size: 0.68rem;
  font-weight: 600;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
}

.stage-badge .icon {
  width: 13px;
  height: 13px;
}

.auth-foot {
  color: var(--muted-2);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

.auth-right {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  padding: clamp(1.4rem, 4vw, 3rem);
  border-left: 1px solid var(--line-soft);
  background:
    radial-gradient(600px 500px at 70% 0%, rgba(50, 230, 196, 0.06), transparent 65%),
    rgba(7, 11, 17, 0.45);
  backdrop-filter: blur(10px);
}

.auth-card {
  width: min(430px, 100%);
  padding: clamp(1.4rem, 2.6vw, 2rem);
  border-radius: 26px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012)), var(--panel-solid);
  box-shadow: var(--shadow);
}

.auth-card-head .eyebrow {
  margin-bottom: 0.55rem;
  color: var(--teal);
}

.auth-card-head h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: -0.035em;
  font-weight: 600;
}

.auth-card-head p {
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  margin: 1.35rem 0 1.1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.2);
}

.auth-tab {
  border: 0;
  border-radius: 9px;
  padding: 0.55rem;
  background: transparent;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.16s ease;
}

.auth-tab.is-active {
  background: rgba(255, 255, 255, 0.075);
  color: var(--text);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

.field {
  display: block;
  margin-bottom: 0.9rem;
}

.field > span:first-child {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-2);
}

.field input {
  width: 100%;
  height: 46px;
  padding: 0 0.85rem;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.26);
  color: var(--text);
  font-size: 0.92rem;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.field input::placeholder {
  color: var(--muted-2);
}

.field input:focus {
  outline: none;
  border-color: rgba(50, 230, 196, 0.55);
  box-shadow: 0 0 0 3px rgba(50, 230, 196, 0.1);
  background: rgba(0, 0, 0, 0.34);
}

.field small {
  display: block;
  margin-top: 0.3rem;
  color: var(--muted-2);
  font-size: 0.68rem;
  line-height: 1.4;
}

.pass-wrap {
  position: relative;
  display: block;
}

.pass-wrap input {
  padding-right: 3rem;
}

.pass-toggle {
  position: absolute;
  top: 50%;
  right: 5px;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted-2);
}

.pass-toggle:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.pass-toggle .icon {
  width: 17px;
  height: 17px;
}

.form-error {
  min-height: 1.3rem;
  margin: 0.2rem 0 0.5rem;
  color: var(--danger);
  font-size: 0.75rem;
  line-height: 1.4;
}

.form-error:empty {
  display: block;
}

#authSubmit {
  margin-top: 0.15rem;
  height: 47px;
}

#authSubmit.is-loading {
  pointer-events: none;
  opacity: 0.74;
}

.auth-demo {
  margin-top: 1.15rem;
  padding: 0.85rem;
  border-radius: 13px;
  border: 1px solid rgba(255, 184, 77, 0.22);
  background: linear-gradient(140deg, rgba(255, 184, 77, 0.08), rgba(255, 184, 77, 0.02));
}

.auth-demo-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.68rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.auth-demo p {
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.45;
  margin-bottom: 0.65rem;
}

.auth-demo .btn {
  min-height: 38px;
  font-size: 0.78rem;
}

.auth-legal {
  margin-top: 1.1rem;
  color: var(--muted-2);
  font-size: 0.67rem;
  line-height: 1.55;
  text-align: center;
}

.back-portal {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted-2);
  font-size: 0.74rem;
  transition: color 0.16s ease;
}

.back-portal:hover {
  color: var(--text-2);
}

.back-portal .icon {
  width: 14px;
  height: 14px;
}

/* 5. Barra superior y navegación
   ============================================================ */
.app {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(6, 9, 14, 0.78);
  backdrop-filter: blur(18px) saturate(140%);
}

.topbar-inner {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  height: var(--topbar);
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2rem);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  margin-left: 1.4rem;
}

.main-nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
  transition: color 0.16s ease, background 0.16s ease;
}

.main-nav a .icon {
  width: 16px;
  height: 16px;
}

.main-nav a:hover {
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.04);
}

.main-nav a.is-active {
  color: var(--teal);
  background: var(--teal-dim);
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-left: auto;
}

.demo-pill {
  font-size: 0.6rem;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.25rem 0.55rem 0.25rem 0.25rem;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.avatar {
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(50, 230, 196, 0.22), rgba(139, 108, 255, 0.28));
  border: 1px solid rgba(50, 230, 196, 0.3);
  color: var(--teal);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex: none;
}

.user-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
}

.user-meta strong {
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text);
}

.user-meta small {
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.63rem;
  color: var(--muted-2);
}

.view {
  max-width: 1280px;
  min-height: calc(100vh - var(--topbar));
  margin: 0 auto;
  padding: clamp(1.25rem, 3vw, 2.5rem) clamp(1rem, 3vw, 2rem) 4.5rem;
  outline: none;
}

.view-inner {
  animation: viewIn 0.32s ease both;
}

.bottom-nav {
  display: none;
}

/* 6. Cabeceras de página y tarjetas base
   ============================================================ */
.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 1.4rem;
}

.page-head-copy {
  min-width: 0;
}

.page-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.4rem;
  color: var(--teal);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 2.6vw, 2.35rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  font-weight: 600;
}

.page-sub {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.page-head-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.008)), var(--panel);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(8px);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem 0;
}

.panel-title {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.panel-title .icon {
  width: 17px;
  height: 17px;
  color: var(--teal);
}

.panel-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
}

.panel-link:hover {
  color: var(--teal);
}

.panel-link .icon {
  width: 13px;
  height: 13px;
}

/* 7. Dashboard
   ============================================================ */
.demo-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin-bottom: 1.2rem;
  padding: 0.75rem 1rem;
  border-radius: 13px;
  border: 1px solid rgba(255, 184, 77, 0.24);
  background: linear-gradient(120deg, rgba(255, 184, 77, 0.1), rgba(255, 184, 77, 0.025));
  color: #e7c78e;
  font-size: 0.76rem;
  line-height: 1.5;
}

.demo-banner .icon {
  width: 17px;
  height: 17px;
  color: var(--amber);
  margin-top: 1px;
  flex: none;
}

.demo-banner strong {
  color: var(--amber);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  margin-bottom: 1.25rem;
}

.stat-card {
  position: relative;
  overflow: hidden;
  padding: 1rem 1.05rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.008)), var(--panel);
}

.stat-card::after {
  content: "";
  position: absolute;
  top: -36px;
  right: -36px;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--stat-glow, rgba(50, 230, 196, 0.12));
  filter: blur(4px);
}

.stat-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat-top .icon {
  width: 16px;
  height: 16px;
  color: var(--stat-color, var(--teal));
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--text);
}

.stat-value small {
  font-size: 0.66rem;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-left: 0.25rem;
}

.stat-foot {
  margin-top: 0.25rem;
  color: var(--muted-2);
  font-size: 0.68rem;
}

.dash-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 1.15rem;
  align-items: start;
}

.dash-main {
  display: grid;
  gap: 1.15rem;
  min-width: 0;
}

.dash-aside {
  display: grid;
  gap: 1.15rem;
  min-width: 0;
}

/* Continuar */
.continue-card {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  flex-wrap: wrap;
  padding: 1.25rem 1.4rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(50, 230, 196, 0.2);
  background:
    radial-gradient(420px 220px at 100% 0%, rgba(139, 108, 255, 0.2), transparent 70%),
    linear-gradient(120deg, rgba(50, 230, 196, 0.15), rgba(50, 230, 196, 0.03) 55%, rgba(139, 108, 255, 0.06)),
    var(--panel-solid);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.continue-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16%;
  bottom: 16%;
  width: 3px;
  border-radius: 0 4px 4px 0;
  background: var(--teal);
  box-shadow: 0 0 18px rgba(50, 230, 196, 0.6);
}

.continue-copy {
  min-width: 0;
}

.continue-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.3rem;
  color: var(--teal);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.continue-title {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  letter-spacing: -0.03em;
  font-weight: 600;
}

.continue-focus {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-top: 0.45rem;
}

.focus-key {
  display: inline-grid;
  place-items: center;
  min-width: 24px;
  height: 24px;
  padding: 0 0.3rem;
  border-radius: 6px;
  border: 1px solid var(--line);
  border-bottom: 2px solid rgba(50, 230, 196, 0.35);
  background: rgba(0, 0, 0, 0.22);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.66rem;
}

.continue-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.continue-best {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted-2);
  font-size: 0.7rem;
}

.continue-best strong {
  color: var(--text-2);
  font-family: var(--font-mono);
  font-weight: 600;
}

/* Unidades */
.units {
  display: grid;
  gap: 1.15rem;
}

.unit-block {
  padding: 1.05rem 1.1rem 1.15rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.006)), var(--panel);
}

.unit-head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.85rem;
}

.unit-badge {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--unit-accent) 30%, transparent);
  background: color-mix(in srgb, var(--unit-accent) 13%, transparent);
  color: var(--unit-accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  flex: none;
}

.unit-head-copy {
  min-width: 0;
}

.unit-head-copy strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.unit-head-copy span {
  display: block;
  color: var(--muted-2);
  font-size: 0.68rem;
}

.unit-progress {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  white-space: nowrap;
}

.unit-bar {
  width: 74px;
  height: 4px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.unit-bar i {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: var(--unit-accent);
}

.lesson-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
  gap: 0.6rem;
}

.lesson-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: 118px;
  padding: 0.8rem 0.85rem;
  text-align: left;
  border-radius: 13px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.018);
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

button.lesson-card:hover {
  transform: translateY(-2px);
  border-color: rgba(50, 230, 196, 0.28);
  background: rgba(50, 230, 196, 0.045);
}

.lesson-card.is-complete {
  border-color: rgba(50, 230, 196, 0.17);
  background: linear-gradient(160deg, rgba(50, 230, 196, 0.06), rgba(50, 230, 196, 0.012));
}

.lesson-card.is-locked {
  opacity: 0.52;
  cursor: not-allowed;
}

.lesson-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
}

.lesson-num {
  font-family: var(--font-mono);
  font-size: 0.61rem;
  color: var(--muted-2);
  letter-spacing: 0.04em;
}

.lesson-card.is-complete .lesson-num {
  color: var(--teal);
}

.lesson-name {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.28;
  color: var(--text-2);
  padding-right: 0.2rem;
}

.lesson-focus {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lesson-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
  margin-top: auto;
  padding-top: 0.35rem;
}

.stars {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  color: var(--muted-2);
}

.stars .icon {
  width: 12px;
  height: 12px;
  stroke-width: 1.6;
}

.stars .icon.is-on {
  color: var(--amber);
  fill: rgba(255, 184, 77, 0.28);
}

.stars.stars-lg .icon {
  width: 34px;
  height: 34px;
  stroke-width: 1.4;
}

.lesson-best {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.61rem;
  white-space: nowrap;
}

.lesson-best strong {
  color: var(--text-2);
  font-weight: 600;
}

.lesson-lock {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted-2);
}

.lesson-lock .icon {
  width: 11px;
  height: 11px;
}

.lesson-card-arrow {
  color: var(--muted-2);
}

.lesson-card-arrow .icon {
  width: 13px;
  height: 13px;
}

/* Aside */
.side-card {
  padding: 1.1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.006)), var(--panel);
}

.sprint-side {
  position: relative;
  overflow: hidden;
  border-color: rgba(255, 184, 77, 0.22);
  background:
    radial-gradient(300px 160px at 100% 0%, rgba(255, 184, 77, 0.17), transparent 70%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.006)),
    var(--panel-solid);
}

.sprint-side::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -42px;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  border: 1px solid rgba(255, 184, 77, 0.15);
}

.sprint-side-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.65rem;
}

.sprint-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  border: 1px solid rgba(255, 184, 77, 0.28);
  background: var(--amber-dim);
  color: var(--amber);
}

.sprint-icon .icon {
  width: 19px;
  height: 19px;
}

.sprint-side h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.025em;
  font-weight: 600;
}

.sprint-side p {
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.5;
}

.sprint-side-best {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 0.85rem 0;
  padding: 0.55rem 0.7rem;
  border-radius: 9px;
  border: 1px solid var(--line-soft);
  background: rgba(0, 0, 0, 0.18);
  color: var(--muted-2);
  font-size: 0.68rem;
}

.sprint-side-best b {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--amber);
  font-weight: 600;
}

.mini-rank {
  display: grid;
  gap: 0.15rem;
  padding: 0.3rem 0 0;
}

.mini-rank-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.42rem 0.2rem;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.75rem;
}

.mini-rank-row:last-child {
  border-bottom: 0;
}

.mini-rank-pos {
  width: 18px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  color: var(--muted-2);
  text-align: center;
  flex: none;
}

.mini-rank-row:nth-child(1) .mini-rank-pos {
  color: var(--amber);
}

.mini-rank-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-2);
}

.mini-rank-wpm {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  white-space: nowrap;
}

.mini-rank-wpm strong {
  color: var(--text);
  font-weight: 600;
}

.mini-rank-row.is-me .mini-rank-name {
  color: var(--teal);
  font-weight: 600;
}

.spark-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 96px;
  padding: 0.9rem 0.2rem 0;
}

.spark-col {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  height: 100%;
  min-width: 0;
}

.spark-bar {
  width: 100%;
  min-height: 5px;
  border-radius: 5px 5px 2px 2px;
  background: linear-gradient(180deg, var(--teal), rgba(50, 230, 196, 0.16));
  box-shadow: 0 0 14px rgba(50, 230, 196, 0.12);
  transition: height 0.4s ease;
}

.spark-col:last-child .spark-bar {
  background: linear-gradient(180deg, var(--violet), rgba(139, 108, 255, 0.16));
}

.spark-value {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--muted-2);
}

.recent-list {
  display: grid;
  gap: 0.1rem;
  padding: 0.5rem 0 0;
}

.recent-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.48rem 0.1rem;
  border-bottom: 1px solid var(--line-soft);
}

.recent-row:last-child {
  border-bottom: 0;
}

.recent-icon {
  display: grid;
  place-items: center;
  width: 29px;
  height: 29px;
  border-radius: 8px;
  background: rgba(50, 230, 196, 0.08);
  color: var(--teal);
  flex: none;
}

.recent-icon .icon {
  width: 13px;
  height: 13px;
}

.recent-main {
  min-width: 0;
  flex: 1;
}

.recent-main strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-2);
  font-size: 0.72rem;
  font-weight: 600;
}

.recent-main span {
  display: block;
  color: var(--muted-2);
  font-size: 0.62rem;
}

.recent-metrics {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.05rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--muted);
  white-space: nowrap;
}

.recent-metrics b {
  color: var(--teal);
  font-weight: 600;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--muted-2);
  font-size: 0.75rem;
}

.empty-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  color: var(--muted);
}

.empty-icon .icon {
  width: 18px;
  height: 18px;
}

/* 8. Lección
   ============================================================ */
.lesson-view {
  max-width: 1080px;
  margin: 0 auto;
  animation: viewIn 0.32s ease both;
}

.lesson-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 500;
}

.back-link:hover {
  color: var(--text);
}

.back-link .icon {
  width: 15px;
  height: 15px;
}

.lesson-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.lesson-head-main {
  min-width: 0;
}

.lesson-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.3rem;
  color: var(--unit-accent, var(--teal));
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lesson-title {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.6vw, 2.15rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
  font-weight: 600;
}

.lesson-tip {
  max-width: 660px;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.lesson-goals {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  padding-top: 0.3rem;
}

.goal-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  color: var(--muted);
  font-size: 0.67rem;
  font-weight: 500;
  white-space: nowrap;
}

.goal-chip .icon {
  width: 12px;
  height: 12px;
  color: var(--teal);
}

.practice-card {
  position: relative;
  padding: clamp(0.9rem, 1.8vw, 1.35rem);
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background:
    radial-gradient(700px 300px at 50% -20%, rgba(50, 230, 196, 0.06), transparent 70%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.006)),
    var(--panel-solid);
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.practice-card.is-focused {
  border-color: rgba(50, 230, 196, 0.32);
  box-shadow: 0 0 0 1px rgba(50, 230, 196, 0.08), 0 26px 70px rgba(0, 0, 0, 0.45);
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 0.8rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--line-soft);
}

.stat-block {
  padding: 0.55rem 0.75rem;
  background: rgba(7, 11, 17, 0.72);
}

.stat-block-label {
  display: block;
  color: var(--muted-2);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.stat-block-value {
  display: flex;
  align-items: baseline;
  gap: 0.22rem;
  margin-top: 0.05rem;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.03em;
}

.stat-block-value small {
  font-family: var(--font-body);
  font-size: 0.55rem;
  color: var(--muted-2);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.stat-progress .progress-track {
  height: 3px;
  margin-top: 0.35rem;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.stat-progress .progress-fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 99px;
  background: var(--teal);
  transition: width 0.15s linear;
}

.stream-box {
  position: relative;
  min-height: clamp(170px, 24vh, 230px);
  max-height: clamp(190px, 32vh, 290px);
  overflow-y: auto;
  padding: 0.9rem 0.65rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  background: rgba(4, 7, 11, 0.5);
  scrollbar-width: thin;
}

.stream {
  position: relative;
  color: #5f7180;
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 2.1vw, 1.78rem);
  line-height: 1.85;
  letter-spacing: 0.005em;
  white-space: pre-wrap;
  word-break: break-word;
}

.char {
  position: relative;
  border-radius: 4px;
  transition: color 0.08s ease, background 0.08s ease;
}

.char.is-correct {
  color: var(--teal);
}

.char.is-wrong {
  color: #fff;
  background: rgba(255, 93, 115, 0.26);
  box-shadow: inset 0 -2px 0 var(--danger);
}

.char.is-current::after {
  content: "";
  position: absolute;
  left: -1px;
  top: 8%;
  height: 84%;
  width: 2px;
  border-radius: 2px;
  background: var(--teal);
  box-shadow: 0 0 10px rgba(50, 230, 196, 0.8);
  animation: caret 1.05s steps(1) infinite;
}

.char.is-space.is-wrong {
  background: rgba(255, 93, 115, 0.32);
}

.typing-input {
  position: absolute;
  left: 12px;
  bottom: 12px;
  width: 1px;
  height: 1px;
  padding: 0;
  border: 0;
  opacity: 0;
  font-size: 16px;
  pointer-events: none;
}

.overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.8rem;
  border-radius: 14px;
  text-align: center;
  background: linear-gradient(180deg, rgba(7, 11, 17, 0.7), rgba(7, 11, 17, 0.95));
  backdrop-filter: blur(4px);
}

.overlay-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.overlay-text {
  color: var(--muted);
  font-size: 0.72rem;
}

.overlay-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1rem;
  border-radius: 11px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: linear-gradient(120deg, var(--teal), #7ff5dc);
  color: #04120f;
  font-size: 0.84rem;
  font-weight: 700;
  box-shadow: 0 12px 30px rgba(50, 230, 196, 0.22);
  transition: transform 0.16s ease;
}

.overlay-btn:hover {
  transform: translateY(-1px);
}

.overlay-btn .icon {
  width: 16px;
  height: 16px;
}

.overlay-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.2rem;
}

.overlay-actions .btn {
  min-height: 38px;
  font-size: 0.76rem;
}

.practice-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  flex-wrap: wrap;
  padding: 0.65rem 0.15rem 0.1rem;
}

.foot-note {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted-2);
  font-size: 0.68rem;
}

.foot-note .icon {
  width: 13px;
  height: 13px;
}

.foot-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.32rem;
  height: 32px;
  padding: 0 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 500;
  transition: all 0.16s ease;
}

.tool-btn:hover {
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.05);
}

.tool-btn .icon {
  width: 13px;
  height: 13px;
}

.tool-btn.is-off {
  opacity: 0.55;
}

.key-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  min-height: 25px;
  margin: 0.1rem 0 0.3rem;
  color: var(--muted-2);
  font-size: 0.68rem;
}

.key-hint-char {
  display: inline-grid;
  place-items: center;
  min-width: 24px;
  height: 24px;
  padding: 0 0.35rem;
  border-radius: 6px;
  border: 1px solid rgba(50, 230, 196, 0.35);
  border-bottom: 2px solid rgba(50, 230, 196, 0.65);
  background: rgba(50, 230, 196, 0.08);
  color: var(--teal);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.key-hint-combo {
  color: var(--muted);
}

.keyboard-wrap {
  padding-top: 0.15rem;
}

.keyboard-wrap.is-hidden {
  display: none;
}

.virtual-keyboard {
  user-select: none;
}

.kb-board {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.kb-row {
  display: flex;
  gap: 5px;
}

.kb-key {
  position: relative;
  display: flex;
  flex: 1 1 0;
  align-items: center;
  justify-content: center;
  min-width: 0;
  height: clamp(28px, 4vw, 43px);
  border-radius: 7px;
  border: 1px solid rgba(148, 170, 190, 0.1);
  border-bottom: 2px solid var(--finger, rgba(148, 170, 190, 0.16));
  background: linear-gradient(180deg, #1a2433, #111925);
  color: #b8c7cc;
  font-family: var(--font-mono);
  font-size: clamp(0.55rem, 0.8vw, 0.76rem);
  font-weight: 500;
  transition: transform 0.08s ease, background 0.1s ease, color 0.1s ease,
    border-color 0.1s ease, box-shadow 0.1s ease;
}

.kb-key.is-special {
  background: linear-gradient(180deg, #151d29, #0d141e);
  color: var(--muted-2);
  font-family: var(--font-body);
  font-size: clamp(0.48rem, 0.65vw, 0.65rem);
  font-weight: 500;
}

.kb-key.kb-space {
  color: var(--muted-2);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kb-main {
  position: relative;
  z-index: 1;
  pointer-events: none;
}

.kb-shift-label {
  position: absolute;
  top: 2px;
  right: 4px;
  color: var(--muted-2);
  font-size: 0.5rem;
  opacity: 0.72;
  pointer-events: none;
}

.kb-key.is-next {
  background: linear-gradient(180deg, var(--teal), #6ff3da);
  border-color: rgba(255, 255, 255, 0.45);
  color: #04120f;
  box-shadow: 0 0 0 2px rgba(50, 230, 196, 0.16), 0 0 20px rgba(50, 230, 196, 0.35);
  transform: translateY(-1px);
}

.kb-key.is-next .kb-shift-label {
  color: rgba(4, 18, 15, 0.65);
}

.kb-key.is-pressed {
  transform: translateY(2px);
  background: #263649;
  color: #fff;
}

.finger-lp { --finger: #ff7a90; }
.finger-lr { --finger: #ffb84d; }
.finger-lm { --finger: #8b6cff; }
.finger-li { --finger: #32e6c4; }
.finger-ri { --finger: #5aa9ff; }
.finger-rm { --finger: #8b6cff; }
.finger-rr { --finger: #ffb84d; }
.finger-rp { --finger: #ff7a90; }
.finger-th { --finger: #5aa9ff; }

.kb-legend {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
  color: var(--muted-2);
  font-size: 0.58rem;
  letter-spacing: 0.02em;
}

.kb-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
}

.finger-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--finger);
  box-shadow: 0 0 6px color-mix(in srgb, var(--finger) 60%, transparent);
}

/* 9. Resultados
   ============================================================ */
.result-view {
  display: flex;
  justify-content: center;
  animation: viewIn 0.35s ease both;
}

.result-card {
  position: relative;
  overflow: hidden;
  width: min(760px, 100%);
  padding: clamp(1.4rem, 3vw, 2.2rem);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(50, 230, 196, 0.22);
  background:
    radial-gradient(520px 260px at 50% -10%, rgba(50, 230, 196, 0.16), transparent 70%),
    radial-gradient(400px 220px at 100% 100%, rgba(139, 108, 255, 0.1), transparent 70%),
    var(--panel-solid);
  box-shadow: var(--shadow);
  text-align: center;
}

.result-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
  box-shadow: 0 0 24px rgba(50, 230, 196, 0.5);
}

.result-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
  color: var(--teal);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.result-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.04em;
  font-weight: 600;
}

.result-stars {
  display: flex;
  justify-content: center;
  margin: 0.8rem 0 0.4rem;
}

.result-stars .icon {
  width: clamp(30px, 4vw, 40px);
  height: clamp(30px, 4vw, 40px);
  margin: 0 0.12rem;
  color: var(--muted-2);
  stroke-width: 1.3;
  animation: starPop 0.55s cubic-bezier(0.2, 0.9, 0.3, 1.4) both;
}

.result-stars .icon.is-on {
  color: var(--amber);
  fill: rgba(255, 184, 77, 0.28);
  filter: drop-shadow(0 0 14px rgba(255, 184, 77, 0.4));
}

.result-stars .icon:nth-child(2) { animation-delay: 0.08s; }
.result-stars .icon:nth-child(3) { animation-delay: 0.16s; }

.result-lead {
  max-width: 480px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.result-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
  margin: 1.25rem 0;
}

.metric {
  padding: 0.7rem 0.4rem;
  border-radius: 11px;
  border: 1px solid var(--line-soft);
  background: rgba(0, 0, 0, 0.18);
}

.metric-label {
  display: block;
  color: var(--muted-2);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.metric-value {
  display: block;
  margin-top: 0.1rem;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  color: var(--text);
}

.metric-value small {
  font-family: var(--font-body);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-left: 0.18rem;
}

.result-record {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.7rem;
  padding: 0.35rem 0.7rem;
  border-radius: 99px;
  border: 1px solid rgba(255, 184, 77, 0.28);
  background: var(--amber-dim);
  color: var(--amber);
  font-size: 0.7rem;
  font-weight: 600;
}

.result-record .icon {
  width: 13px;
  height: 13px;
}

.save-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 26px;
  margin-bottom: 0.7rem;
  color: var(--muted-2);
  font-size: 0.7rem;
}

.save-status .icon {
  width: 14px;
  height: 14px;
}

.save-status.is-saved {
  color: var(--teal);
}

.save-status.is-error {
  color: var(--danger);
}

.save-status .retry {
  border: 0;
  background: transparent;
  color: var(--danger);
  font-size: 0.7rem;
  font-weight: 600;
  text-decoration: underline;
  padding: 0;
}

.result-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.spinner {
  display: inline-block;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.16);
  border-top-color: var(--teal);
  animation: spin 0.7s linear infinite;
}

/* 10. Sprint
   ============================================================ */
.sprint-view {
  max-width: 1120px;
  margin: 0 auto;
  animation: viewIn 0.32s ease both;
}

.sprint-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 1.1rem;
  align-items: stretch;
}

.sprint-hero {
  position: relative;
  overflow: hidden;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  padding: clamp(1.3rem, 2.6vw, 2rem);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 184, 77, 0.24);
  background:
    radial-gradient(500px 280px at 100% 0%, rgba(255, 184, 77, 0.17), transparent 70%),
    radial-gradient(420px 260px at 0% 100%, rgba(139, 108, 255, 0.12), transparent 70%),
    var(--panel-solid);
  box-shadow: var(--shadow);
}

.sprint-hero-copy {
  flex: 1;
  min-width: 0;
}

.sprint-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.6rem;
  padding: 0.28rem 0.6rem;
  border-radius: 99px;
  border: 1px solid rgba(255, 184, 77, 0.3);
  background: var(--amber-dim);
  color: var(--amber);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sprint-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
  font-weight: 600;
}

.sprint-title .grad {
  background: linear-gradient(100deg, var(--amber), #ffe0a3 45%, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
}

.sprint-lead {
  max-width: 480px;
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.sprint-rules {
  display: grid;
  gap: 0.45rem;
  margin: 1rem 0 1.2rem;
  padding: 0;
  list-style: none;
}

.sprint-rules li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-2);
  font-size: 0.75rem;
}

.sprint-rules .icon {
  width: 14px;
  height: 14px;
  color: var(--amber);
  flex: none;
}

.sprint-dial {
  position: relative;
  display: grid;
  place-items: center;
  width: clamp(120px, 15vw, 168px);
  height: clamp(120px, 15vw, 168px);
  border-radius: 50%;
  background: conic-gradient(var(--amber) 0 82%, rgba(255, 255, 255, 0.08) 82%);
  box-shadow: 0 0 50px rgba(255, 184, 77, 0.18);
  flex: none;
}

.sprint-dial::before {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 50%;
  background: var(--panel-solid);
  border: 1px solid var(--line-soft);
}

.sprint-dial-inner {
  position: relative;
  text-align: center;
}

.sprint-dial-inner b {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.06em;
  line-height: 1;
  color: var(--amber);
}

.sprint-dial-inner span {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted-2);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sprint-aside {
  display: grid;
  gap: 1.1rem;
}

.sprint-best-card {
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.006)), var(--panel);
}

.sprint-best-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  color: var(--muted-2);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sprint-best-head .icon {
  width: 16px;
  height: 16px;
  color: var(--amber);
}

.sprint-best-value {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin: 0.4rem 0 0.1rem;
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 600;
  letter-spacing: -0.06em;
  color: var(--text);
}

.sprint-best-value small {
  font-family: var(--font-body);
  font-size: 0.65rem;
  color: var(--muted-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.sprint-best-sub {
  color: var(--muted-2);
  font-size: 0.7rem;
}

.sprint-preview {
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.006)), var(--panel);
}

.sprint-preview h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.sprint-preview .mini-rank-row {
  padding: 0.36rem 0;
}

.sprint-note {
  margin-top: 0.9rem;
  color: var(--muted-2);
  font-size: 0.66rem;
  line-height: 1.5;
}

/* Sprint en juego */
.sprint-play {
  max-width: 1080px;
  margin: 0 auto;
  animation: viewIn 0.3s ease both;
}

.sprint-play-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
}

.sprint-play-title {
  min-width: 0;
}

.sprint-play-title .page-kicker {
  margin-bottom: 0.15rem;
}

.sprint-play-title h1 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.7rem);
  letter-spacing: -0.03em;
  font-weight: 600;
}

.sprint-play-title p {
  margin-top: 0.15rem;
  color: var(--muted-2);
  font-size: 0.7rem;
}

.sprint-live-timer {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.8rem 0.45rem 0.55rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 184, 77, 0.26);
  background: rgba(255, 184, 77, 0.08);
}

.sprint-live-timer .icon {
  width: 18px;
  height: 18px;
  color: var(--amber);
}

.timer-value {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--amber);
}

.timer-label {
  display: block;
  margin-top: 0.08rem;
  color: var(--muted-2);
  font-size: 0.54rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sprint-live-timer.is-warning {
  border-color: rgba(255, 93, 115, 0.45);
  background: rgba(255, 93, 115, 0.1);
  animation: timerPulse 1s ease-in-out infinite;
}

.sprint-live-timer.is-warning .timer-value,
.sprint-live-timer.is-warning .icon {
  color: var(--danger);
}

.sprint-play .practice-card {
  margin-top: 0.2rem;
}

.sprint-countdown {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: grid;
  place-items: center;
  border-radius: var(--radius-xl);
  background: rgba(5, 8, 13, 0.92);
  backdrop-filter: blur(6px);
}

.countdown-number {
  font-family: var(--font-display);
  font-size: clamp(5rem, 14vw, 9rem);
  font-weight: 700;
  letter-spacing: -0.08em;
  line-height: 1;
  color: var(--teal);
  text-shadow: 0 0 60px rgba(50, 230, 196, 0.5);
  animation: countIn 0.85s cubic-bezier(0.2, 0.8, 0.3, 1) both;
}

.countdown-number.is-go {
  color: var(--amber);
  text-shadow: 0 0 60px rgba(255, 184, 77, 0.5);
  font-size: clamp(3.5rem, 10vw, 6rem);
}

/* Sprint resultado */
.sprint-result {
  display: grid;
  gap: 1.1rem;
  max-width: 900px;
  margin: 0 auto;
  animation: viewIn 0.35s ease both;
}

.sprint-result-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 3vw, 2rem);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 184, 77, 0.25);
  background:
    radial-gradient(500px 260px at 50% -10%, rgba(255, 184, 77, 0.17), transparent 70%),
    var(--panel-solid);
  box-shadow: var(--shadow);
  text-align: center;
}

.sprint-result-hero .sprint-badge {
  margin-bottom: 0.6rem;
}

.sprint-result-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  letter-spacing: -0.045em;
  font-weight: 600;
}

.sprint-result-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
  max-width: 620px;
  margin: 1.1rem auto;
}

.sprint-result-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.sprint-result .panel {
  padding: 1rem 1.1rem 1.15rem;
}

/* 11. Ranking y podio
   ============================================================ */
.ranking-view {
  max-width: 980px;
  margin: 0 auto;
  animation: viewIn 0.32s ease both;
}

.ranking-hero {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  flex-wrap: wrap;
  padding: 1.3rem 1.4rem;
  margin-bottom: 1.1rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 184, 77, 0.22);
  background:
    radial-gradient(420px 220px at 100% 0%, rgba(255, 184, 77, 0.15), transparent 70%),
    linear-gradient(150deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.006)),
    var(--panel-solid);
}

.ranking-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.04em;
  font-weight: 600;
}

.ranking-hero p {
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.ranking-hero .ranking-trophy {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  border: 1px solid rgba(255, 184, 77, 0.3);
  background: var(--amber-dim);
  color: var(--amber);
  flex: none;
}

.ranking-hero .ranking-trophy .icon {
  width: 30px;
  height: 30px;
}

.podium {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
  gap: 0.75rem;
  margin: 1.2rem 0 1rem;
}

.podium-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 1.2rem 0.7rem 0.9rem;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.006)), var(--panel);
  text-align: center;
}

.podium-item.is-first {
  padding-top: 1.8rem;
  border-color: rgba(255, 184, 77, 0.4);
  background:
    radial-gradient(200px 110px at 50% 0%, rgba(255, 184, 77, 0.18), transparent 70%),
    var(--panel-solid);
  box-shadow: 0 20px 46px rgba(255, 184, 77, 0.08);
}

.podium-item.is-second {
  border-color: rgba(203, 213, 225, 0.24);
}

.podium-item.is-third {
  border-color: rgba(217, 149, 85, 0.28);
}

.podium-item.is-me {
  box-shadow: 0 0 0 1px rgba(50, 230, 196, 0.35), 0 16px 40px rgba(50, 230, 196, 0.08);
}

.podium-medal {
  position: absolute;
  top: 0.55rem;
  right: 0.6rem;
  color: var(--muted-2);
}

.podium-medal .icon {
  width: 15px;
  height: 15px;
}

.podium-item.is-first .podium-medal {
  color: var(--amber);
}

.podium-avatar {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--av, #32e6c4) 18%, #101823);
  border: 1px solid color-mix(in srgb, var(--av, #32e6c4) 45%, transparent);
  color: var(--av, var(--teal));
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
}

.podium-item.is-first .podium-avatar {
  width: 58px;
  height: 58px;
  font-size: 1.05rem;
}

.podium-name {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 600;
}

.podium-wpm {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  color: var(--teal);
}

.podium-wpm small {
  font-family: var(--font-body);
  font-size: 0.52rem;
  color: var(--muted-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-left: 0.15rem;
}

.podium-acc {
  color: var(--muted-2);
  font-size: 0.62rem;
}

.podium-rank {
  margin-top: 0.2rem;
  color: var(--muted-2);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.rank-table {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.006)), var(--panel);
  overflow: hidden;
}

.rank-table-head,
.rank-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 90px 90px 110px;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
}

.rank-table-head {
  color: var(--muted-2);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(0, 0, 0, 0.14);
}

.rank-row {
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.14s ease;
}

.rank-row:last-child {
  border-bottom: 0;
}

.rank-row:hover {
  background: rgba(255, 255, 255, 0.025);
}

.rank-row.is-me {
  background: rgba(50, 230, 196, 0.06);
}

.rank-pos {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted-2);
}

.rank-user {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
}

.rank-avatar {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--av, #32e6c4) 16%, #101823);
  border: 1px solid color-mix(in srgb, var(--av, #32e6c4) 35%, transparent);
  color: var(--av, var(--teal));
  font-size: 0.62rem;
  font-weight: 700;
  flex: none;
}

.rank-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-2);
  font-size: 0.76rem;
  font-weight: 500;
}

.rank-row.is-me .rank-name {
  color: var(--teal);
  font-weight: 600;
}

.rank-wpm {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
}

.rank-wpm small {
  color: var(--muted-2);
  font-size: 0.55rem;
  font-family: var(--font-body);
  margin-left: 0.15rem;
}

.rank-acc,
.rank-date {
  color: var(--muted-2);
  font-size: 0.66rem;
}

.rank-empty {
  padding: 2rem 1rem;
}

.ranking-note {
  margin-top: 0.9rem;
  color: var(--muted-2);
  font-size: 0.66rem;
  line-height: 1.5;
  text-align: center;
}

/* 12. Carga, avisos y toasts
   ============================================================ */
.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  min-height: 52vh;
  color: var(--muted);
  font-size: 0.8rem;
}

.loading-screen .spinner {
  width: 26px;
  height: 26px;
  border-width: 3px;
}

.skeleton {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.045);
}

.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
  transform: translateX(-100%);
  animation: shimmer 1.3s infinite;
}

.toasts {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: min(360px, calc(100vw - 2rem));
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(15, 22, 33, 0.97);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  color: var(--text-2);
  font-size: 0.75rem;
  line-height: 1.45;
  pointer-events: auto;
  animation: toastIn 0.25s ease both;
}

.toast .icon {
  width: 16px;
  height: 16px;
  color: var(--teal);
  flex: none;
  margin-top: 1px;
}

.toast.toast-error {
  border-color: rgba(255, 93, 115, 0.3);
}

.toast.toast-error .icon {
  color: var(--danger);
}

.toast.toast-amber {
  border-color: rgba(255, 184, 77, 0.3);
}

.toast.toast-amber .icon {
  color: var(--amber);
}

.toast.is-out {
  animation: toastOut 0.25s ease both;
}

/* 13. Animaciones
   ============================================================ */
@keyframes caret {
  0%, 48% { opacity: 1; }
  49%, 100% { opacity: 0; }
}

@keyframes caretWord {
  0%, 48% { border-left-color: var(--teal); }
  49%, 100% { border-left-color: transparent; }
}

@keyframes viewIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
  to { opacity: 0; transform: translateY(6px) scale(0.98); }
}

@keyframes starPop {
  from { opacity: 0; transform: scale(0.4) rotate(-18deg); }
  to { opacity: 1; transform: scale(1) rotate(0); }
}

@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 4px rgba(50, 230, 196, 0.1); }
  50% { box-shadow: 0 0 0 7px rgba(50, 230, 196, 0.03); }
}

@keyframes floatKey {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -7px; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  to { transform: translateX(100%); }
}

@keyframes timerPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 93, 115, 0); }
  50% { box-shadow: 0 0 0 4px rgba(255, 93, 115, 0.12); }
}

@keyframes countIn {
  from { opacity: 0; transform: scale(1.5); }
  to { opacity: 1; transform: scale(1); }
}

/* 14. Responsive
   ============================================================ */
@media (max-width: 1120px) {
  .dash-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .lesson-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }
}

@media (max-width: 980px) {
  .auth {
    grid-template-columns: 1fr;
  }

  .auth-left {
    padding-bottom: 0;
    gap: 1rem;
  }

  .auth-copy {
    padding: 1rem 0 0;
  }

  .auth-copy h1 {
    font-size: clamp(2.5rem, 8vw, 3.4rem);
  }

  .auth-stage {
    display: none;
  }

  .auth-right {
    border-left: 0;
    padding-top: 1.4rem;
    padding-bottom: 2.5rem;
  }

  .auth-foot {
    display: none;
  }

  .dash-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .dash-aside {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sprint-intro {
    grid-template-columns: 1fr;
  }

  .sprint-hero {
    align-items: flex-start;
  }
}

@media (max-width: 860px) {
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .main-nav {
    margin-left: 0.4rem;
  }

  .main-nav a {
    padding: 0.45rem 0.55rem;
    font-size: 0.76rem;
  }

  .user-meta {
    display: none;
  }

  .user-chip {
    padding: 0.2rem;
  }
}

@media (max-width: 720px) {
  :root {
    --topbar: 60px;
  }

  .topbar-inner {
    height: var(--topbar);
  }

  .main-nav {
    display: none;
  }

  .bottom-nav {
    position: fixed;
    left: 0.7rem;
    right: 0.7rem;
    bottom: 0.7rem;
    z-index: 45;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3px;
    padding: 5px;
    border-radius: 15px;
    border: 1px solid var(--line);
    background: rgba(11, 17, 26, 0.94);
    backdrop-filter: blur(16px);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45);
  }

  .bottom-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.18rem;
    padding: 0.42rem;
    border-radius: 10px;
    color: var(--muted);
    font-size: 0.6rem;
    font-weight: 500;
  }

  .bottom-nav a .icon {
    width: 17px;
    height: 17px;
  }

  .bottom-nav a.is-active {
    color: var(--teal);
    background: var(--teal-dim);
  }

  .view {
    padding-bottom: 6rem;
  }

  .toasts {
    bottom: 5.2rem;
  }

  .dash-aside {
    grid-template-columns: minmax(0, 1fr);
  }

  .stats-grid {
    gap: 0.55rem;
  }

  .stat-card {
    padding: 0.85rem;
  }

  .stat-value {
    font-size: 1.4rem;
  }

  .continue-card {
    padding: 1.1rem;
  }

  .lesson-head {
    margin-bottom: 0.8rem;
  }

  .stats-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .stat-block {
    padding: 0.45rem 0.4rem;
  }

  .stat-block-value {
    font-size: 0.9rem;
  }

  .stat-block-label {
    font-size: 0.52rem;
    letter-spacing: 0.05em;
  }

  .stream {
    font-size: clamp(1.05rem, 4.2vw, 1.35rem);
  }

  .stream-box {
    min-height: 165px;
  }

  .kb-legend {
    display: none;
  }

  .kb-key {
    height: 30px;
    font-size: 0.52rem;
    border-radius: 5px;
  }

  .kb-row {
    gap: 3px;
  }

  .kb-board {
    gap: 3px;
  }

  .result-metrics,
  .sprint-result-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rank-table-head,
  .rank-row {
    grid-template-columns: 36px minmax(0, 1fr) 64px 70px;
    padding: 0.5rem 0.7rem;
  }

  .rank-date {
    display: none;
  }

  .podium {
    gap: 0.45rem;
  }

  .podium-item {
    padding: 1rem 0.35rem 0.75rem;
  }

  .podium-item.is-first {
    padding-top: 1.5rem;
  }

  .podium-name {
    font-size: 0.7rem;
  }

  .podium-wpm {
    font-size: 0.95rem;
  }

  .podium-avatar {
    width: 40px;
    height: 40px;
  }

  .podium-item.is-first .podium-avatar {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 560px) {
  .auth-left {
    padding: 1.1rem 1.1rem 0;
  }

  .auth-right {
    padding: 1rem 1.1rem 2.2rem;
  }

  .auth-copy h1 {
    font-size: clamp(2.1rem, 11vw, 2.9rem);
    margin-top: 0.7rem;
  }

  .auth-lead {
    font-size: 0.88rem;
  }

  .feature-list {
    display: none;
  }

  .auth-card {
    padding: 1.2rem;
    border-radius: 20px;
  }

  .page-head {
    align-items: flex-start;
  }

  .page-title {
    font-size: 1.55rem;
  }

  .page-sub {
    font-size: 0.78rem;
  }

  .lesson-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lesson-card {
    min-height: 112px;
    padding: 0.7rem;
  }

  .unit-head {
    flex-wrap: wrap;
  }

  .unit-progress {
    width: 100%;
    margin-left: 44px;
  }

  .continue-actions {
    width: 100%;
  }

  .continue-actions .btn {
    width: 100%;
  }

  .sprint-hero {
    flex-direction: column;
  }

  .sprint-dial {
    align-self: center;
    order: -1;
  }

  .lesson-tip {
    font-size: 0.74rem;
  }

  .lesson-goals {
    width: 100%;
  }

  .practice-card {
    padding: 0.7rem;
    border-radius: 20px;
  }

  .stream-box {
    padding: 0.7rem 0.45rem;
  }

  .practice-foot {
    gap: 0.4rem;
  }

  .foot-note {
    display: none;
  }

  .foot-actions {
    width: 100%;
    justify-content: space-between;
  }

  .tool-btn {
    flex: 1;
    justify-content: center;
  }

  .overlay-actions .btn {
    flex: 1;
  }

  .sprint-play-head {
    align-items: flex-start;
  }

  .sprint-live-timer {
    width: 100%;
    justify-content: center;
  }

  .result-card {
    padding: 1.2rem 0.8rem;
  }

  .result-actions .btn,
  .sprint-result-actions .btn {
    flex: 1 1 100%;
  }

  .rank-table-head,
  .rank-row {
    grid-template-columns: 30px minmax(0, 1fr) 58px;
  }

  .rank-acc {
    display: none;
  }

  .podium {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .podium-item {
    flex-direction: row;
    justify-content: flex-start;
    text-align: left;
    padding: 0.8rem !important;
    gap: 0.55rem;
  }

  .podium-avatar,
  .podium-item.is-first .podium-avatar {
    width: 42px;
    height: 42px;
    margin: 0;
  }

  .podium-name {
    flex: 1;
  }

  .podium-medal {
    top: 50%;
    right: 0.7rem;
    transform: translateY(-50%);
  }

  .podium-acc,
  .podium-rank {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}