/* =========================================================
   public/assets/css/app.css — Estilos globales del sistema
   Resultados Fútbol | Mobile-first | Sin frameworks
   ========================================================= */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ── Variables CSS ────────────────────────────────────────── */
:root {
  /* Colores primarios */
  --color-primary:        #2563eb;
  --color-primary-dark:   #1d4ed8;
  --color-primary-light:  #3b82f6;

  /* Colores de acento */
  --color-accent:         #10b981;
  --color-accent-dark:    #059669;

  /* Colores de estado */
  --color-success:        #22c55e;
  --color-warning:        #f59e0b;
  --color-danger:         #ef4444;
  --color-info:           #06b6d4;

  /* Neutros (modo oscuro por defecto) */
  --color-bg:             #0f172a;
  --color-bg-card:        #1e293b;
  --color-bg-input:       #1e293b;
  --color-border:         #334155;
  --color-text:           #f1f5f9;
  --color-text-muted:     #94a3b8;
  --color-text-dark:      #cbd5e1;

  /* Sidebar */
  --sidebar-width:        260px;
  --sidebar-bg:           #0f172a;
  --sidebar-border:       #1e293b;
  --topbar-height:        64px;

  /* Tipografía */
  --font-body:            'Inter', sans-serif;
  --font-heading:         'Outfit', sans-serif;
  --font-size-base:       1rem;

  /* Radios y sombras */
  --radius-sm:            6px;
  --radius-md:            10px;
  --radius-lg:            16px;
  --radius-xl:            24px;
  --shadow-sm:            0 1px 3px rgba(0,0,0,.3);
  --shadow-md:            0 4px 16px rgba(0,0,0,.4);
  --shadow-lg:            0 8px 32px rgba(0,0,0,.5);

  /* Transiciones */
  --transition:           all .2s ease;
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }

/* ── Layout principal ─────────────────────────────────────── */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transform: translateX(-100%);
  transition: transform .3s ease;
  overflow-y: auto;
}
.sidebar.is-open { transform: translateX(0); }

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--sidebar-border);
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
}
.sidebar-brand span.icon {
  font-size: 1.6rem;
}

.sidebar-nav { flex: 1; padding: 12px 0; }
.nav-section { padding: 8px 16px 4px; }
.nav-section-label {
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  margin: 2px 8px;
  color: var(--color-text-muted);
  font-size: .9rem;
  font-weight: 500;
  transition: var(--transition);
}
.nav-item a:hover,
.nav-item a.active {
  background: rgba(37,99,235,.15);
  color: var(--color-primary-light);
}
.nav-item a .nav-icon { font-size: 1.15rem; width: 22px; text-align: center; }

/* ── Overlay sidebar en móvil ─────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 99;
  backdrop-filter: blur(2px);
}
.sidebar-overlay.is-open { display: block; }

/* ── Topbar ───────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-height);
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 98;
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }

.btn-menu {
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  line-height: 1;
}
.btn-menu:hover { background: var(--color-border); }

.topbar-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Contenido principal ──────────────────────────────────── */
.main-content {
  flex: 1;
  margin-top: var(--topbar-height);
  padding: 24px 16px;
  min-height: calc(100vh - var(--topbar-height));
  width: auto;
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.card-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
}

/* ── Breadcrumb ───────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  font-size: .82rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-primary-light); transition: var(--transition); }
.breadcrumb a:hover { color: var(--color-text); }
.breadcrumb-sep { opacity: .4; }

/* ── Botones ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: .88rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary   { background: var(--color-primary);  color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-success   { background: var(--color-success);  color: #fff; }
.btn-success:hover { background: #16a34a; }
.btn-warning   { background: var(--color-warning);  color: #000; }
.btn-warning:hover { background: #d97706; }
.btn-danger    { background: var(--color-danger);   color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-secondary { background: var(--color-border); color: var(--color-text); }
.btn-secondary:hover { background: #475569; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.btn-outline:hover { border-color: var(--color-primary-light); color: var(--color-primary-light); }
.btn-sm { padding: 6px 12px; font-size: .8rem; }
.btn-icon { padding: 7px; width: 34px; height: 34px; }

/* ── Formularios ──────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--color-text-dark);
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: .92rem;
  transition: var(--transition);
  -webkit-appearance: none;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(37,99,235,.2);
}
.form-control::placeholder { color: var(--color-text-muted); }
.form-row { display: grid; gap: 16px; }
.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 24px;
  flex-wrap: wrap;
}

/* ── Tablas ───────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
  min-width: 500px;
}
.table thead tr {
  background: rgba(37,99,235,.1);
  border-bottom: 2px solid var(--color-border);
}
.table th {
  padding: 12px 14px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-align: left;
  white-space: nowrap;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: middle;
}
.table tbody tr:hover { background: rgba(255,255,255,.02); }
.table .actions { display: flex; gap: 6px; align-items: center; }

/* ── Badges ───────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .03em;
}
.badge-success { background: rgba(34,197,94,.15);  color: #4ade80; }
.badge-warning { background: rgba(245,158,11,.15); color: #fbbf24; }
.badge-danger  { background: rgba(239,68,68,.15);  color: #f87171; }
.badge-info    { background: rgba(6,182,212,.15);  color: #22d3ee; }
.badge-muted   { background: rgba(148,163,184,.1); color: #94a3b8; }

/* ── Alertas flash ────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-weight: 500;
  font-size: .9rem;
  border-left: 4px solid;
  display: flex;
  align-items: center;
  gap: 10px;
}
.alert-success { background: rgba(34,197,94,.1);  border-color: var(--color-success); color: #4ade80; }
.alert-danger  { background: rgba(239,68,68,.1);  border-color: var(--color-danger);  color: #f87171; }
.alert-warning { background: rgba(245,158,11,.1); border-color: var(--color-warning); color: #fbbf24; }
.alert-info    { background: rgba(6,182,212,.1);  border-color: var(--color-info);    color: #22d3ee; }

/* ── Estadísticas / Stats cards ───────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover { border-color: var(--color-primary-light); transform: translateY(-2px); }
.stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary-light);
  line-height: 1;
}
.stat-label {
  font-size: .78rem;
  color: var(--color-text-muted);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ── Empty state ──────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 16px;
  color: var(--color-text-muted);
}
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 12px; }
.empty-state p { font-size: .95rem; margin-bottom: 16px; }

/* ── Tabla de posiciones ──────────────────────────────────── */
.standings-table .pos-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .8rem;
}
.standings-table .pos-1 { background: #f59e0b; color: #000; }
.standings-table .pos-2 { background: #94a3b8; color: #000; }
.standings-table .pos-3 { background: #b45309; color: #fff; }

/* ── Bracket torneo ───────────────────────────────────────── */
.bracket-wrapper {
  overflow-x: auto;
  padding-bottom: 12px;
}
.bracket { display: flex; gap: 32px; align-items: flex-start; }
.bracket-round { display: flex; flex-direction: column; gap: 24px; min-width: 190px; }
.bracket-round-title {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-primary-light);
  margin-bottom: 8px;
  text-align: center;
}
.bracket-match {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.bracket-team {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  font-size: .85rem;
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}
.bracket-team:last-child { border-bottom: none; }
.bracket-team.winner { background: rgba(37,99,235,.15); color: var(--color-primary-light); }
.bracket-team .score {
  font-weight: 700;
  min-width: 20px;
  text-align: right;
}

/* ── Utilidades ───────────────────────────────────────────── */
.text-muted  { color: var(--color-text-muted); }
.text-center { text-align: center; }
.text-right  { text-align: right; }
.mt-1 { margin-top: 4px; }  .mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; } .mt-4 { margin-top: 24px; }
.mb-1 { margin-bottom: 4px; }  .mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; } .mb-4 { margin-bottom: 24px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; } .gap-3 { gap: 16px; }

/* ── Spinner de carga ─────────────────────────────────────── */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─────────────────────────────────────────────────────────── */
/*  RESPONSIVE — Tablet 768px                                  */
/* ─────────────────────────────────────────────────────────── */
@media (min-width: 768px) {
  .main-content { padding: 28px 24px; }
  .form-row-2 { grid-template-columns: 1fr 1fr; }
  .form-row-3 { grid-template-columns: 1fr 1fr 1fr; }
}

/* ─────────────────────────────────────────────────────────── */
/*  RESPONSIVE — Escritorio 1024px                             */
/* ─────────────────────────────────────────────────────────── */
@media (min-width: 1024px) {
  .sidebar { transform: translateX(0); }
  .sidebar-overlay { display: none !important; }
  .btn-menu { display: none; }
  .topbar { left: var(--sidebar-width); }
  .main-content { margin-left: var(--sidebar-width); padding: 32px 28px; }
}

/* ─────────────────────────────────────────────────────────── */
/*  RESPONSIVE — Pantallas grandes 1280px                      */
/* ─────────────────────────────────────────────────────────── */
@media (min-width: 1280px) {
  .main-content { padding: 36px 36px; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
}