/* ==========================================================================
   CASI · Torneo de Fútbol — Design System compartido
   Usado por: index.html, torneos.html, simulacion.html, equipos.html,
              admin-torneos.html
   ========================================================================== */

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

:root {
  /* ---- Marca: verde ----
     Regla de uso (para no mezclar tonos al azar):
       --green-900  → chrome oscuro plano: headers, footers, fondos "cáscara"
       --green-700  → acento de marca plano: botones, card-header, tabs activos, bordes
       --green-600  → SOLO estado hover (oscurece --green-700)
       --green-500  → SOLO estado hover/focus (aclara --green-700) y anillos de foco
       --green-100/50 → SOLO tintes de fondo claro (fila activa, success, hover sutil)
     Los degradados de "banner" (hero, page-banner, login, torneo-hdr, champion)
     usan siempre el mismo par: --green-700 → --green-900. Nunca --green-800/950. */
  --green-900: #0f3d1a;
  --green-800: #144d22;
  --green-700: #1a6b2e;
  --green-600: #217d38;
  --green-500: #2d9147;
  --green-100: #e8f5e9;
  --green-50:  #f3faf4;

  /* ---- Marca: dorado ---- */
  --gold-700: #a67900;
  --gold-600: #d9a200;
  --gold-500: #f0b400;
  --gold-100: #fff3cd;
  --gold-50:  #fffaeb;

  /* ---- Neutros ---- */
  --gray-50:  #f8f9fa;
  --gray-100: #eef1f2;
  --gray-200: #dee2e6;
  --gray-300: #cbd2d9;
  --gray-400: #adb5bd;
  --gray-500: #868e96;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-900: #1c2321;

  /* ---- Semánticos ---- */
  --red:        #dc3545;
  --red-light:  #f8d7da;
  --red-ink:    #842029;
  --blue:       #0d6efd;
  --blue-light: #cfe2ff;
  --teal:       #0891b2;
  --purple:     #7c3aed;
  --purple-light:#e5dbff;
  --orange:     #ea580c;

  /* ---- Alias retro-compatibles (nombres usados en el código existente) --- */
  --green: var(--green-700);
  --green-light: var(--green-500);
  --green-dark: var(--green-900);
  --gold: var(--gold-500);
  --white: #ffffff;

  /* ---- Superficies ---- */
  --surface: #ffffff;
  --surface-sunken: var(--gray-50);
  --border-color: var(--gray-200);

  /* ---- Tipografía ---- */
  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* ---- Radios ---- */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-pill: 999px;

  /* ---- Sombras ---- */
  --shadow-xs: 0 1px 2px rgba(15, 30, 20, 0.06);
  --shadow-sm: 0 2px 8px rgba(15, 30, 20, 0.07);
  --shadow-md: 0 6px 20px rgba(15, 30, 20, 0.10);
  --shadow-lg: 0 16px 44px rgba(15, 30, 20, 0.16);
  --shadow-green: 0 10px 26px rgba(26, 107, 46, 0.22);

  /* ---- Transición ---- */
  --ease: cubic-bezier(.2, .7, .2, 1);
}

@media (prefers-color-scheme: dark) {
  /* La app opera en tema claro fijo; se documenta el hook por si se agrega modo oscuro. */
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
  letter-spacing: 0.01em;
  line-height: 1.15;
}

a { color: inherit; }

::selection { background: var(--gold-100); color: var(--green-900); }

/* Foco visible consistente en toda la app */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--green-500);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

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

/* ==========================================================================
   Entrada / motion utilitaria
   ========================================================================== */
@keyframes riseIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal {
  animation: riseIn 0.55s var(--ease) both;
}
.reveal-1 { animation-delay: .05s; }
.reveal-2 { animation-delay: .12s; }
.reveal-3 { animation-delay: .19s; }
.reveal-4 { animation-delay: .26s; }
.reveal-5 { animation-delay: .33s; }

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

/* ==========================================================================
   Header / navegación pública compartida
   (index.html, torneos.html, simulacion.html, vista pública de equipos.html)
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 300;
  background: var(--green-900);
  border-bottom: 3px solid var(--gold-500);
  box-shadow: 0 2px 14px rgba(0,0,0,0.18);
}
.site-nav {
  max-width: 1180px; margin: 0 auto; padding: 0 1.25rem;
  min-height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 0.6rem 1rem;
}
.nav-brand {
  display: flex; align-items: center; gap: 0.65rem;
  color: white; text-decoration: none;
  font-family: var(--font-display); font-weight: 600; font-size: 1.05rem;
  letter-spacing: 0.02em; text-transform: uppercase;
  padding: 0.6rem 0;
}
.nav-brand img { height: 46px; width: 46px; object-fit: contain; border-radius: 50%; background: rgba(255,255,255,0.06); }
.nav-brand small { display: block; font-family: var(--font-body); font-weight: 500; font-size: 0.68rem; letter-spacing: 0.06em; color: var(--gold-500); text-transform: uppercase; }

.nav-links {
  display: flex; align-items: center; gap: 0.35rem; list-style: none;
  flex-wrap: wrap;
}
.nav-links a, .nav-links .nav-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  color: rgba(255,255,255,0.82); text-decoration: none;
  font-size: 0.86rem; font-weight: 600;
  padding: 0.5rem 0.85rem; border-radius: var(--r-pill);
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
  white-space: nowrap;
}
.nav-links a:hover { background: rgba(255,255,255,0.09); color: white; }
.nav-links a.active { background: rgba(240,180,0,0.16); color: var(--gold-500); }
.nav-links a.nav-cta {
  background: var(--gold-500); color: var(--green-900); font-weight: 700;
}
.nav-links a.nav-cta:hover { background: #ffc72c; color: var(--green-900); }
.nav-links a.nav-ghost { border: 1px solid rgba(255,255,255,0.3); }
.nav-links a.nav-ghost:hover { border-color: rgba(255,255,255,0.5); }

@media (max-width: 760px) {
  .site-nav { padding: 0.6rem 1rem; }
  .nav-links { width: 100%; justify-content: flex-start; gap: 0.4rem; }
  .nav-links a { flex: 1 1 auto; justify-content: center; }
}

/* Banner de sub-página (torneos, simulación, etc.) */
.page-banner {
  background: linear-gradient(150deg, var(--green-700) 0%, var(--green-900) 100%);
  color: white; position: relative; overflow: hidden;
  padding: 2.1rem 1.25rem 1.7rem;
}
.page-banner::after {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 85% 10%, rgba(240,180,0,0.16), transparent 55%);
  pointer-events: none;
}
.page-banner-inner { max-width: 1180px; margin: 0 auto; position: relative; z-index: 1; }
.page-banner h1 {
  font-size: clamp(1.5rem, 4vw, 2.15rem); font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.01em;
}
.page-banner p { color: rgba(255,255,255,0.72); font-size: 0.92rem; margin-top: 0.3rem; }

/* ==========================================================================
   Botones
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.62rem 1.25rem; border-radius: var(--r-sm);
  border: none; font-family: var(--font-body); font-size: 0.88rem; font-weight: 700;
  cursor: pointer; text-decoration: none;
  transition: transform 0.12s var(--ease), box-shadow 0.15s var(--ease), background 0.15s var(--ease), opacity 0.15s;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-primary { background: var(--green-700); color: white; box-shadow: var(--shadow-xs); }
.btn-primary:hover:not(:disabled) { background: var(--green-600); box-shadow: var(--shadow-green); }

.btn-gold { background: var(--gold-500); color: var(--green-900); box-shadow: var(--shadow-xs); }
.btn-gold:hover:not(:disabled) { background: #ffc72c; box-shadow: 0 8px 20px rgba(240,180,0,0.3); }

.btn-danger { background: var(--red); color: white; }
.btn-danger:hover:not(:disabled) { background: #c62839; }

.btn-outline { background: transparent; border: 2px solid var(--green-700); color: var(--green-700); }
.btn-outline:hover:not(:disabled) { background: var(--green-700); color: white; }

.btn-ghost { background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.28); color: white; }
.btn-ghost:hover:not(:disabled) { background: rgba(255,255,255,0.2); }

.btn-app { background: var(--gray-100); color: var(--green-900); }
.btn-app:hover { background: var(--gray-200); }
.btn-app-ghost { background: transparent; border: 1.5px solid var(--gray-300); color: var(--gray-700); }
.btn-app-ghost:hover { border-color: var(--green-700); color: var(--green-700); }

.btn-sm { padding: 0.34rem 0.8rem; font-size: 0.78rem; }
.btn-xs { padding: 0.2rem 0.55rem; font-size: 0.72rem; }
.btn-lg { padding: 0.85rem 1.75rem; font-size: 1rem; }
.btn-full { width: 100%; }

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
  background: var(--surface); border-radius: var(--r-md);
  box-shadow: var(--shadow-sm); overflow: hidden;
  border: 1px solid rgba(15,30,20,0.04);
}
.card-header {
  background: var(--green-700); color: white;
  padding: 0.9rem 1.25rem; font-weight: 700; font-size: 0.95rem;
  display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;
}
.card-header .hdr-actions { display: flex; gap: 0.4rem; align-items: center; }
.card-body { padding: 1.15rem 1.25rem; }

.card--interactive { transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease); }
.card--interactive:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

/* ==========================================================================
   Badges (soporta ambas convenciones usadas en el código: .b-* y .badge-*)
   ========================================================================== */
.badge {
  display: inline-flex; align-items: center; gap: 0.25rem;
  font-size: 0.68rem; font-weight: 700; padding: 0.16rem 0.55rem;
  border-radius: var(--r-pill); text-transform: uppercase; letter-spacing: 0.04em;
  line-height: 1.5;
}
.b-gold,    .badge-gold    { background: var(--gold-100); color: var(--gold-700); }
.b-green,   .badge-green   { background: var(--green-100); color: var(--green-700); }
.b-blue,    .badge-blue    { background: var(--blue-light); color: #1449a8; }
.b-teal,    .badge-teal    { background: #cff4fc; color: #055160; }
.b-purple,  .badge-purple  { background: var(--purple-light); color: #5a2fc2; }
.b-red,     .badge-red     { background: var(--red-light); color: var(--red-ink); }
.b-orange,  .badge-orange  { background: #ffe8d9; color: #9a3f0e; }
.b-gray,    .badge-gray    { background: var(--gray-100); color: var(--gray-600); }
/* Variantes "sólidas" (usadas como acento fuerte, ej. categoría de torneo) */
.badge.solid.b-gold  { background: var(--gold-500); color: var(--green-900); }
.badge.solid.b-green { background: var(--green-700); color: white; }
.badge.solid.b-red   { background: var(--red); color: white; }

/* ==========================================================================
   Alertas
   ========================================================================== */
.alert { padding: 0.7rem 1rem; border-radius: var(--r-sm); font-size: 0.88rem; }
.alert-error   { background: var(--red-light); color: var(--red-ink); border: 1px solid #f1aeb5; }
.alert-success { background: #d1e7dd; color: #0a3622; border: 1px solid #a3cfbb; }
.alert-info    { background: #cff4fc; color: #055160; border: 1px solid #9eeaf9; }

/* ==========================================================================
   Formularios
   ========================================================================== */
label {
  display: block; font-weight: 700; font-size: 0.76rem; margin-bottom: 0.3rem;
  color: var(--gray-600); text-transform: uppercase; letter-spacing: 0.05em;
}
input[type=text], input[type=number], input[type=date], input[type=datetime-local],
input[type=password], input[type=email], input[type=tel], select, textarea {
  width: 100%; border: 1.5px solid var(--gray-200); border-radius: var(--r-sm);
  padding: 0.62rem 0.9rem; font-size: 0.92rem; outline: none; background: white;
  font-family: inherit; color: var(--gray-900);
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
  appearance: none; -webkit-appearance: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--green-500); box-shadow: 0 0 0 3px rgba(45,145,71,0.14);
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236c757d' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.9rem center; padding-right: 2.2rem;
  cursor: pointer;
}
textarea { resize: vertical; min-height: 70px; }
.form-group { margin-bottom: 1rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.8rem; }
@media (max-width: 640px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ==========================================================================
   Tabs
   ========================================================================== */
.tabs { display: flex; gap: 0.15rem; border-bottom: 2px solid var(--gray-200); flex-wrap: wrap; }
.tab-btn {
  padding: 0.6rem 1.05rem; border: none; background: transparent; cursor: pointer;
  font-size: 0.88rem; font-weight: 700; color: var(--gray-600);
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: color 0.15s var(--ease);
}
.tab-btn.active { color: var(--green-700); border-bottom-color: var(--green-700); }
.tab-btn:hover:not(.active) { color: var(--gray-900); }

/* ==========================================================================
   Tabla / listados
   ========================================================================== */
.st-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.st-table th {
  text-align: center; padding: 0.55rem 0.5rem; background: var(--gray-50);
  font-weight: 700; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--gray-600); border-bottom: 2px solid var(--gray-200);
}
.st-table th:nth-child(2) { text-align: left; }
.st-table td { padding: 0.55rem 0.5rem; border-bottom: 1px solid var(--gray-100); text-align: center; }
.st-table td:nth-child(2) { text-align: left; font-weight: 600; }
.st-table tr:last-child td { border-bottom: none; }
.st-table tbody tr:hover { background: var(--green-50); }

/* ==========================================================================
   Modal
   ========================================================================== */
.modal-wrap {
  display: none; position: fixed; inset: 0; z-index: 4000;
  background: rgba(7, 25, 13, 0.55); backdrop-filter: blur(2px);
  align-items: flex-start; justify-content: center; padding: 1rem; overflow-y: auto;
}
.modal-wrap.open { display: flex; }
.modal {
  background: white; border-radius: var(--r-lg); width: 100%; max-width: 480px;
  margin: 2rem auto; box-shadow: var(--shadow-lg); overflow: hidden;
  animation: riseIn 0.22s var(--ease) both;
}
.modal.wide { max-width: 640px; }
.modal-head {
  background: var(--green-700);
  color: white; padding: 1.05rem 1.35rem;
  display: flex; align-items: center; justify-content: space-between;
}
.modal-head h3 { font-size: 1.02rem; font-weight: 700; font-family: var(--font-body); }
.modal-close { background: none; border: none; color: white; font-size: 1.3rem; cursor: pointer; line-height: 1; opacity: 0.85; }
.modal-close:hover { opacity: 1; }
.modal-body { padding: 1.35rem; }
.modal-foot { padding: 0 1.35rem 1.35rem; display: flex; gap: 0.6rem; }

/* ==========================================================================
   Búsqueda
   ========================================================================== */
.search-results, .search-results-box, #search-results {
  border: 1.5px solid var(--gray-200); border-radius: var(--r-sm);
  max-height: 230px; overflow-y: auto; margin-top: 0.4rem;
}
.search-item {
  padding: 0.65rem 0.9rem; cursor: pointer; border-bottom: 1px solid var(--gray-100);
  transition: background 0.1s; display: flex; align-items: center; justify-content: space-between;
}
.search-item:last-child { border-bottom: none; }
.search-item:hover { background: var(--green-50); }
.search-item .s-name { font-weight: 600; font-size: 0.88rem; }
.search-item .s-meta { font-size: 0.75rem; color: var(--gray-600); }

/* ==========================================================================
   Spinner
   ========================================================================== */
.spinner {
  display: inline-block; width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.4); border-top-color: white;
  border-radius: 50%; animation: spin 0.6s linear infinite;
}

/* ==========================================================================
   Utilidades
   ========================================================================== */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--gray-600); font-size: 0.88rem; }
.mt-1 { margin-top: 0.5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; } .mb-2 { margin-bottom: 1rem; }
.gap-row { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
.divider { border: none; border-top: 1px solid var(--gray-200); margin: 1.2rem 0; }
.section { margin-bottom: 1.5rem; }

/* ==========================================================================
   Footer compartido
   ========================================================================== */
.site-footer {
  background: var(--green-900); color: rgba(255,255,255,0.65);
  text-align: center; padding: 1.6rem 1rem; font-size: 0.82rem;
}
.site-footer strong { color: rgba(255,255,255,0.9); }

/* Aviso de forma de pago, reutilizado al pie de las pantallas de equipos/inscripción */
.payment-footer {
  background: linear-gradient(150deg, var(--green-800) 0%, var(--green-900) 100%);
  border-top: 3px solid var(--gold-500);
  padding: 1.5rem 1rem;
}
.payment-footer-inner {
  max-width: 760px; margin: 0 auto;
  display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; justify-content: center;
}
.payment-footer-icon {
  flex-shrink: 0; width: 50px; height: 50px; border-radius: 50%;
  background: var(--gold-500); color: var(--green-900);
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
  box-shadow: 0 0 0 4px rgba(240,180,0,0.18);
}
.payment-footer-body { text-align: center; }
.payment-footer-title {
  display: block; font-size: 1rem; font-weight: 800; color: white;
  text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 0.6rem;
}
.payment-footer-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; }
.payment-footer-chip {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.28);
  color: rgba(255,255,255,0.95); border-radius: var(--r-pill);
  padding: 0.5rem 1rem; font-size: 0.88rem;
}
.payment-footer-chip strong { color: var(--gold-500); font-size: 0.98rem; letter-spacing: 0.02em; }
.payment-footer-qr {
  flex-shrink: 0; width: 68px; height: 68px; border-radius: 8px;
  background: white; padding: 4px; border: 1px solid rgba(255,255,255,0.3);
}
@media (max-width: 560px) {
  .payment-footer-inner { flex-direction: column; text-align: center; }
  .payment-footer-chips { flex-direction: column; align-items: stretch; }
  .payment-footer-chip { justify-content: center; }
}