/* ============================================================
   QUINIELA FIFA 2026 — DESIGN TOKENS
   Sistema: dark (handoff v2 dark — 2026-05-12)
   Version: 3.0 (2026-05-12)
   ============================================================ */

:root {
  color-scheme: dark;

  /* --- Paleta dark (handoff v2) --- */
  --bg:            oklch(18% 0.018 65);
  --surface:       oklch(24% 0.016 65);
  --surface-2:     oklch(28% 0.02 65);
  --fg:            oklch(95% 0.01 80);
  --muted:         oklch(74% 0.015 70);
  --border:        oklch(34% 0.015 65);
  --border-hi:     oklch(44% 0.018 65);
  --accent:        oklch(70% 0.13 40);
  --accent-hi:     oklch(76% 0.14 40);
  --accent-soft:   color-mix(in oklab, var(--accent) 10%, var(--bg));
  --shadow:        0 20px 50px rgba(0,0,0,.42);
  --shadow-sm:     0 4px 12px rgba(0,0,0,.3);

  /* --- Tipografia --- */
  --font-display: 'Iowan Old Style', 'Charter', Georgia, serif;
  --font-body:    -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono:    ui-monospace, 'JetBrains Mono', Menlo, monospace;

  /* --- Layout --- */
  --content:     1220px;
  --radius:      24px;
  --radius-sm:   16px;
  --radius-xs:   12px;

  /* --- Aliases tx-* (backward-compat, remapeados a nueva paleta) --- */
  --tx-bg:           var(--bg);
  --tx-bg-card:      var(--surface);
  --tx-bg-card-2:    color-mix(in oklab, var(--surface) 88%, var(--fg));
  --tx-bg-input:     color-mix(in oklab, var(--bg) 80%, var(--surface));
  --tx-bg-hover:     color-mix(in oklab, var(--bg) 88%, var(--fg));

  --tx-accent:       var(--accent);
  --tx-accent-hi:    var(--accent-hi);
  --tx-accent-soft:  var(--accent-soft);
  --tx-accent-mid:   color-mix(in oklab, var(--accent) 28%, var(--bg));

  --tx-warning:      oklch(72% 0.17 65);
  --tx-warning-soft: color-mix(in oklab, oklch(72% 0.17 65) 14%, var(--bg));

  --tx-alert:        oklch(60% 0.2 25);
  --tx-alert-soft:   color-mix(in oklab, oklch(60% 0.2 25) 14%, var(--bg));

  --tx-text:         var(--fg);
  --tx-text-strong:  oklch(98% 0.005 80);
  --tx-text-dim:     var(--muted);
  --tx-text-mute:    oklch(58% 0.012 70);

  --tx-border:        var(--border);
  --tx-border-strong: var(--border-hi);

  --tx-gold:   oklch(72% 0.16 70);
  --tx-silver: oklch(62% 0.01 60);
  --tx-bronze: oklch(60% 0.10 50);

  --tx-font-display: var(--font-display);
  --tx-font-body:    var(--font-body);
  --tx-font-mono:    var(--font-mono);

  /* --- Escala de fuentes --- */
  --tx-fs-xs:   0.6875rem;   /* 11px - metadata mono */
  --tx-fs-sm:   0.875rem;    /* 14px - body small */
  --tx-fs-base: 1rem;        /* 16px - body */
  --tx-fs-lg:   1.125rem;    /* 18px - body large */
  --tx-fs-xl:   1.5rem;      /* 24px - h3 */
  --tx-fs-2xl:  2rem;        /* 32px - h2 */
  --tx-fs-3xl:  2.75rem;     /* 44px - h1 */
  --tx-fs-display: 3.5rem;   /* 56px */
  --tx-fs-mega: clamp(3.375rem, 9vw, 5.75rem);

  --tx-fw-regular: 400;
  --tx-fw-medium:  500;
  --tx-fw-bold:    700;

  /* --- Spacing --- */
  --tx-sp-1:  0.25rem;
  --tx-sp-2:  0.5rem;
  --tx-sp-3:  0.75rem;
  --tx-sp-4:  1rem;
  --tx-sp-5:  1.25rem;
  --tx-sp-6:  1.5rem;
  --tx-sp-8:  2rem;
  --tx-sp-10: 2.5rem;
  --tx-sp-12: 3rem;
  --tx-sp-16: 4rem;

  /* --- Radii --- */
  --tx-radius-sm:   4px;
  --tx-radius-md:   8px;
  --tx-radius-lg:   12px;
  --tx-radius-xl:   16px;
  --tx-radius-2xl:  24px;
  --tx-radius-full: 9999px;

  /* --- Shadows --- */
  --tx-shadow-sm:  var(--shadow-sm);
  --tx-shadow-md:  0 8px 24px rgba(0,0,0,.28);
  --tx-shadow-lg:  var(--shadow);
  --tx-shadow-glow: 0 0 24px color-mix(in oklab, var(--accent) 35%, transparent);

  /* --- Motion --- */
  --tx-ease:        cubic-bezier(0.4, 0, 0.2, 1);
  --tx-ease-out:    cubic-bezier(0, 0, 0.2, 1);
  --tx-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --tx-dur-fast:    120ms;
  --tx-dur-base:    220ms;
  --tx-dur-slow:    400ms;
}

/* ============================================================
   RESETS Y BASE
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--fg);
  background:
    radial-gradient(circle at 10% 10%, color-mix(in oklab, var(--accent) 10%, transparent), transparent 28%),
    radial-gradient(circle at 90% 0%,  color-mix(in oklab, var(--fg) 5%, transparent),     transparent 22%),
    linear-gradient(180deg, color-mix(in oklab, white 6%, var(--bg)), var(--bg) 26%, color-mix(in oklab, var(--bg) 94%, var(--accent-soft)));
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-wrap: pretty;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .08;
  background-image:
    linear-gradient(0deg,  rgba(0,0,0,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,.04) 1px, transparent 1px);
  background-size: 140px 140px;
  mask-image: linear-gradient(180deg, transparent, black 12%, black 88%, transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, black 12%, black 88%, transparent);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 0.96;
  margin: 0;
}

button { font: inherit; cursor: pointer; }

a { color: inherit; }

input[type="number"] {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.mono { font-family: var(--font-mono); letter-spacing: 0.08em; }
.tabular { font-variant-numeric: tabular-nums; }

/* ============================================================
   COMPONENTES BASE
   ============================================================ */

/* Card */
.tx-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--tx-dur-base) var(--tx-ease),
              box-shadow var(--tx-dur-base) var(--tx-ease);
}
.tx-card:hover {
  border-color: var(--border-hi);
}

/* Badges */
.tx-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--tx-sp-2);
  padding: var(--tx-sp-1) var(--tx-sp-3);
  border-radius: var(--tx-radius-full);
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.tx-badge--success {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid color-mix(in oklab, var(--accent) 40%, var(--border));
}
.tx-badge--pending {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border-hi);
}
.tx-badge--warning {
  background: var(--tx-warning-soft);
  color: var(--tx-warning);
  border: 1px solid color-mix(in oklab, var(--tx-warning) 40%, var(--border));
}

/* Botones */
.tx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--tx-sp-2);
  padding: 12px 18px;
  border-radius: var(--tx-radius-full);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid var(--fg);
  background: var(--surface);
  color: var(--fg);
  min-height: 46px;
  cursor: pointer;
  transition: all var(--tx-dur-base) var(--tx-ease);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  line-height: 1;
}
.tx-btn--primary {
  background: var(--fg);
  color: var(--surface);
  border-color: var(--fg);
}
.tx-btn--primary:hover {
  background: color-mix(in oklab, var(--fg) 88%, var(--accent));
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}
.tx-btn--primary:disabled {
  background: var(--border);
  color: var(--muted);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}
.tx-btn--ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}
.tx-btn--ghost:hover {
  border-color: var(--fg);
}
.tx-btn--danger {
  background: transparent;
  color: var(--tx-alert);
  border-color: color-mix(in oklab, var(--tx-alert) 50%, var(--border));
}
.tx-btn--danger:hover {
  background: var(--tx-alert-soft);
}
.tx-btn--accent {
  border-color: color-mix(in oklab, var(--accent) 55%, var(--fg));
  background: var(--accent-soft);
  color: var(--fg);
}
.tx-btn--accent:hover {
  background: color-mix(in oklab, var(--accent-soft) 70%, var(--accent));
}

/* Score input */
.tx-score-input {
  width: 56px;
  height: 48px;
  background: color-mix(in oklab, var(--surface) 80%, var(--bg));
  border: 1px solid var(--border);
  border-radius: var(--tx-radius-md);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  transition: all var(--tx-dur-fast) var(--tx-ease);
}
.tx-score-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.tx-score-input::-webkit-outer-spin-button,
.tx-score-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.tx-score-input[type=number] { -moz-appearance: textfield; }

/* Tabla de posiciones */
.tx-standings {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}
.tx-standings th {
  padding: var(--tx-sp-2);
  text-align: center;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 11px;
  border-bottom: 1px solid var(--border);
}
.tx-standings th:nth-child(2) { text-align: left; }
.tx-standings td {
  padding: var(--tx-sp-2);
  text-align: center;
  font-variant-numeric: tabular-nums;
  border-bottom: 1px solid var(--border);
}
.tx-standings td:nth-child(2) { text-align: left; }
.tx-standings tr:last-child td { border-bottom: none; }
.tx-standings tr.qualified-direct td { background: var(--accent-soft); }
.tx-standings tr.qualified-third td { background: var(--tx-warning-soft); }

/* ============================================================
   PARALLAX
   ============================================================ */

.parallax {
  will-change: transform;
  transition: transform .12s linear;
}

/* ============================================================
   ANIMACIONES
   ============================================================ */

@keyframes tx-pulse-accent {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-soft); }
  50%       { box-shadow: 0 0 0 8px transparent; }
}
@keyframes tx-shimmer {
  0%   { background-position: -200px 0; }
  100% { background-position:  200px 0; }
}
@keyframes tx-fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes tx-draw-ring {
  from { stroke-dashoffset: var(--tx-ring-length, 360); }
  to   { stroke-dashoffset: var(--tx-ring-offset, 0); }
}
@keyframes tx-scroll-bounce {
  0%, 100% { transform: translateX(0); opacity: 0.5; }
  50%       { transform: translateX(6px); opacity: 1; }
}

.tx-anim-fade-up { animation: tx-fade-up var(--tx-dur-slow) var(--tx-ease-out) both; }
.tx-anim-pulse   { animation: tx-pulse-accent 2s var(--tx-ease) infinite; }

/* ============================================================
   SCROLLBAR
   ============================================================ */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--border-hi);
  border-radius: var(--tx-radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

.scrollbar-none::-webkit-scrollbar { display: none; }
.scrollbar-none { scrollbar-width: none; }

/* ============================================================
   FOCUS
   ============================================================ */

*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Grupos: siempre visible en desktop (override Alpine x-show) */
@media (min-width: 768px) {
  .group-panel { display: block !important; }
}

/* Standings: colapsar columnas en mobile */
@media (max-width: 640px) {
  .tx-standings th:nth-child(4),
  .tx-standings th:nth-child(5),
  .tx-standings th:nth-child(6),
  .tx-standings th:nth-child(7),
  .tx-standings td:nth-child(4),
  .tx-standings td:nth-child(5),
  .tx-standings td:nth-child(6),
  .tx-standings td:nth-child(7) { display: none; }
  .tx-standings th, .tx-standings td { padding: 8px 4px; font-size: 0.875rem; }
  .tx-standings td:nth-child(2) { padding-left: 8px; }
}

/* Bottom tab bar (usuario mobile) */
.tx-bottom-tab {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: color-mix(in oklab, var(--surface) 92%, white 8%);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  z-index: 30;
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.tx-bottom-tab a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 10px 4px;
  color: var(--muted);
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--tx-dur-fast) var(--tx-ease);
  min-height: 56px;
}
.tx-bottom-tab a.is-active { color: var(--accent); }
.tx-bottom-tab a.is-active svg { stroke: var(--accent); }
.tx-bottom-tab a:hover { color: var(--fg); }

@media (max-width: 768px) {
  body.has-bottom-tab { padding-bottom: 64px; }
}
@media (min-width: 769px) {
  .tx-bottom-tab { display: none; }
}

/* Scroll hint (bracket en mobile) */
.tx-scroll-hint {
  display: none;
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in oklab, var(--bg) 90%, white 10%);
  backdrop-filter: blur(8px);
  padding: 8px 16px;
  text-align: center;
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
.tx-scroll-hint .arrow {
  display: inline-block;
  animation: tx-scroll-bounce 1.5s var(--tx-ease) infinite;
}
@media (max-width: 1024px) {
  .tx-scroll-hint { display: block; }
}

/* Sidebar admin */
.tx-admin-sidebar {
  width: 256px;
  background: var(--tx-bg-card-2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: transform var(--tx-dur-base) var(--tx-ease);
}
@media (max-width: 768px) {
  .tx-admin-sidebar {
    position: fixed;
    top: 0; bottom: 0; left: 0;
    z-index: 50;
    transform: translateX(-100%);
    box-shadow: var(--shadow);
  }
  .tx-admin-sidebar.is-open { transform: translateX(0); }
}
.tx-admin-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: color-mix(in oklab, var(--fg) 45%, transparent);
  z-index: 49;
  opacity: 0;
  transition: opacity var(--tx-dur-base) var(--tx-ease);
}
.tx-admin-backdrop.is-open { display: block; opacity: 1; }
.tx-admin-hamburger {
  display: none;
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--tx-radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--fg);
}
@media (max-width: 768px) {
  .tx-admin-hamburger { display: inline-flex; }
}

/* ============================================================
   MODO CLARO (activo cuando el OS tiene light mode)
   ============================================================ */

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;

    --bg:        oklch(97% 0.012 80);
    --surface:   oklch(99% 0.005 80);
    --surface-2: color-mix(in oklab, var(--surface) 90%, var(--fg));
    --fg:        oklch(20% 0.02 60);
    --muted:     oklch(48% 0.015 60);
    --border:    oklch(89% 0.012 80);
    --border-hi: oklch(80% 0.015 80);
    --accent:    oklch(58% 0.16 35);
    --accent-hi: oklch(63% 0.19 35);
    --accent-soft: color-mix(in oklab, var(--accent) 14%, var(--bg));
    --shadow:    0 20px 50px color-mix(in oklab, var(--fg) 8%, transparent);
    --shadow-sm: 0 6px 16px color-mix(in oklab, var(--fg) 5%, transparent);

    --tx-text-strong: oklch(12% 0.015 60);
    --tx-text-mute:   oklch(60% 0.01 60);
    --tx-shadow-md:   0 8px 24px color-mix(in oklab, var(--fg) 7%, transparent);
  }

  body {
    background:
      radial-gradient(circle at 10% 10%, color-mix(in oklab, var(--accent) 10%, transparent), transparent 28%),
      radial-gradient(circle at 90% 0%,  color-mix(in oklab, var(--fg) 5%, transparent),     transparent 22%),
      linear-gradient(180deg, color-mix(in oklab, white 35%, var(--bg)), var(--bg) 26%, color-mix(in oklab, var(--bg) 94%, var(--accent-soft)));
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}