:root {
  --primary: #1B6B3A;
  --primary-dark: #14532D;
  --primary-fg: #FFFFFF;
  --accent: #E8A317;
  --accent-fg: #1A1A2E;
  --bg: #F7F8FA;
  --surface: #FFFFFF;
  --text: #1A1A2E;
  --text-secondary: #6B7280;
  --border: #E5E7EB;
  --muted: #F3F4F6;
  --error: #DC2626;
  --success: #16A34A;
  --warning: #F59E0B;
  --highlight-row: #F0FDF4;
  --badge-exact-bg: #DCFCE7;
  --badge-exact-fg: #166534;
  --badge-result-bg: #FEF3C7;
  --badge-result-fg: #92400E;
  --badge-advance-bg: #DBEAFE;
  --badge-advance-fg: #1E40AF;
  --badge-wrong-bg: #FEE2E2;
  --badge-wrong-fg: #991B1B;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
}

/* Nav */
.nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  width: 100%;
  gap: var(--spacing-lg);
}

.nav-brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  white-space: nowrap;
  margin-right: var(--spacing-lg);
}

.nav-links {
  display: flex;
  gap: var(--spacing-xs);
  list-style: none;
  flex: 1;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 14px;
  white-space: nowrap;
  transition: all 0.15s;
}

.nav-links a:hover { background: var(--muted); color: var(--text); }
.nav-links a.active { background: var(--muted); color: var(--primary); }
.nav-links .admin-link { color: var(--accent); font-weight: 600; }

.nav-user {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.nav-user .user-name { font-weight: 600; }
.nav-user .user-tz { color: var(--accent); font-weight: 600; }

.nav-user .admin-badge {
  background: var(--badge-exact-bg);
  color: var(--badge-exact-fg);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.nav-user .logout-link {
  color: var(--text-secondary);
  text-decoration: none;
  cursor: pointer;
}

.nav-user .logout-link:hover { color: var(--error); }

/* Login */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.login-card .flag-deco { text-align: center; font-size: 40px; margin-bottom: var(--spacing-md); }
.login-card h1 { text-align: center; font-size: 28px; font-weight: 700; margin-bottom: 4px; color: var(--primary); }
.login-card .subtitle { text-align: center; color: var(--text-secondary); font-size: 14px; margin-bottom: var(--spacing-xl); }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }

.form-group input[type="text"],
.form-group input[type="password"] {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(27, 107, 58, 0.1);
}

.error-msg { color: var(--error); font-size: 14px; text-align: center; margin-top: 12px; }

/* Buttons */
.btn-primary {
  width: 100%;
  padding: 12px;
  background: var(--primary);
  color: var(--primary-fg);
  border: none;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:disabled { background: var(--muted); color: var(--text-secondary); cursor: not-allowed; }

.btn-secondary {
  padding: 8px 16px;
  background: var(--muted);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

.btn-secondary:hover { background: var(--border); }

.btn-save {
  padding: 8px 20px;
  background: var(--primary);
  color: var(--primary-fg);
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.btn-save:hover { background: var(--primary-dark); }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: var(--spacing-md);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

/* Page */
.page {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md) 120px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.page-header h1 {
  font-size: 22px;
  font-weight: 700;
}

.deadline-badge {
  background: #FEF3C7;
  color: #92400E;
  padding: 6px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
}

/* Tabs */
.tabs {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.tab {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.tab:hover { border-color: var(--primary); color: var(--primary); }
.tab.active { background: var(--primary); color: var(--primary-fg); border-color: var(--primary); }

/* Group card */
.group-header {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
  color: var(--primary);
}

/* Match row */
.match-row {
  display: grid;
  grid-template-columns: 110px 1fr 80px 1fr;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--muted);
  gap: var(--spacing-sm);
}

.match-row:last-child { border-bottom: none; }

.match-datetime {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.3;
}

.match-team {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 500;
  font-size: 14px;
}

.match-team.away { justify-content: flex-end; text-align: right; }
.match-flag { font-size: 20px; }

.score-inputs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.score-inputs input {
  width: 48px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  text-align: center;
}

.score-inputs input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(27, 107, 58, 0.1);
}

.score-inputs .dash { color: var(--text-secondary); font-weight: 500; }

.score-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
}

/* Submit bar */
.submit-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 12px var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 -2px 8px rgba(0,0,0,0.06);
  z-index: 90;
}

.submit-bar .progress { font-size: 14px; color: var(--text-secondary); }
.submit-bar .progress strong { color: var(--primary); }
.submit-bar .btn-primary { width: auto; padding: 10px 28px; }

/* Badges */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-exact { background: var(--badge-exact-bg); color: var(--badge-exact-fg); }
.badge-result { background: var(--badge-result-bg); color: var(--badge-result-fg); }
.badge-advance { background: var(--badge-advance-bg); color: var(--badge-advance-fg); }
.badge-wrong { background: var(--badge-wrong-bg); color: var(--badge-wrong-fg); }
.badge-pending { background: var(--muted); color: var(--text-secondary); }

/* Total points badge */
.total-points {
  background: var(--badge-exact-bg);
  color: var(--badge-exact-fg);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 16px;
}

/* Leaderboard */
.leaderboard-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
}

.leaderboard-table th {
  background: var(--muted);
  padding: 12px var(--spacing-md);
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.leaderboard-table th.center { text-align: center; }
.leaderboard-table th.right { text-align: right; }

.leaderboard-table td {
  padding: 14px var(--spacing-md);
  border-bottom: 1px solid var(--muted);
  font-size: 15px;
}

.leaderboard-table td.center { text-align: center; }
.leaderboard-table td.right { text-align: right; }
.leaderboard-table tr:last-child td { border-bottom: none; }

.leaderboard-table tr.current-user {
  background: var(--highlight-row);
  border-left: 3px solid var(--primary);
}

.leaderboard-table tr.current-user td:first-child { padding-left: 13px; }

.rank { font-weight: 700; font-size: 16px; color: var(--text-secondary); }
.rank.top { color: var(--accent); }
.player-name { font-weight: 600; }

.points-total {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  color: var(--primary);
}

.points-detail {
  font-family: var(--font-mono);
  color: var(--text-secondary);
  font-size: 14px;
}

.summary-box {
  margin-top: 20px;
  padding: var(--spacing-md);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: 13px;
  color: var(--text-secondary);
}

.summary-box strong { color: var(--text); }

/* Confirmation dialog */
.dialog-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.dialog {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  max-width: 420px;
  width: 90%;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.dialog h3 { margin-bottom: var(--spacing-sm); }
.dialog p { color: var(--text-secondary); margin-bottom: var(--spacing-lg); }
.dialog-actions { display: flex; gap: var(--spacing-sm); justify-content: flex-end; }

/* Status messages */
.status-msg {
  text-align: center;
  padding: var(--spacing-xxl) var(--spacing-md);
  color: var(--text-secondary);
}

.status-msg h2 { font-size: 20px; color: var(--text); margin-bottom: var(--spacing-sm); }

/* Advancing team selector */
.knockout-match {
  grid-template-columns: 110px 1fr 80px 1fr;
  row-gap: 0;
}
.advance-selector {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-xs);
  border-top: 1px dashed var(--muted);
  margin-top: var(--spacing-xs);
  font-size: 14px;
}
.advance-selector input[type="radio"]:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.advance-selector input[type="radio"]:disabled + .match-flag {
  opacity: 0.5;
}
.advance-info {
  grid-column: 1 / -1;
  font-size: 13px;
  color: var(--text-secondary);
  padding-top: var(--spacing-xs);
  border-top: 1px dashed var(--muted);
  margin-top: var(--spacing-xs);
}

.advance-selector label {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

/* Admin results — match cards */
.match-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-sm);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  overflow: hidden;
  transition: border-color 0.15s;
}

.match-card:hover { border-color: var(--primary); }
.match-card.has-result { border-left: 3px solid var(--primary); }
.match-card.editing { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(232,163,23,0.15); }

.match-summary {
  display: grid;
  grid-template-columns: 100px 1fr 80px 1fr 80px;
  align-items: center;
  padding: 12px var(--spacing-md);
  cursor: pointer;
  gap: var(--spacing-sm);
}

.match-result {
  text-align: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
}

.match-result.pending { color: var(--text-secondary); font-weight: 400; font-style: italic; font-size: 13px; }

.match-status { display: flex; align-items: center; justify-content: center; }
.status-done { color: var(--primary); font-size: 18px; }
.status-pending { color: var(--text-secondary); font-size: 11px; }

.match-edit {
  display: none;
  border-top: 1px solid var(--muted);
  padding: var(--spacing-md);
  background: #FDFBF7;
}

.match-card.editing .match-edit { display: block; }

.edit-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.edit-row label { font-size: 13px; font-weight: 600; color: var(--text-secondary); }

.edit-row input[type="number"] {
  width: 48px;
  height: 36px;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 16px;
  font-family: var(--font-mono);
}

.edit-row input:focus { outline: none; border-color: var(--primary); }
.edit-row .dash { color: var(--text-secondary); font-weight: 500; }

/* Comparison row (Mis Pronósticos) */
.comp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.comp-row {
  display: grid;
  grid-template-columns: 90px 1fr 70px 70px 100px;
  align-items: center;
  padding: 10px var(--spacing-md);
  border-bottom: 1px solid var(--muted);
  gap: var(--spacing-sm);
}

.comp-row:last-child { border-bottom: none; }
.comp-date { font-size: 11px; color: var(--text-secondary); line-height: 1.3; }

.comp-teams {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 500;
}

.comp-teams .flag { font-size: 16px; }
.comp-teams .vs { color: var(--text-secondary); font-size: 11px; margin: 0 2px; }

.comp-predicted, .comp-actual {
  text-align: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
}

.comp-predicted { color: var(--text-secondary); }
.comp-actual { font-weight: 700; }
.comp-actual.no-result { color: var(--text-secondary); font-weight: 400; font-size: 12px; }

/* Scoring rules */
.rules-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.rules-section h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

.rules-section h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin: var(--spacing-md) 0 var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.rules-section p { font-size: 15px; line-height: 1.6; margin-bottom: 12px; }
.rules-section p.muted { color: var(--text-secondary); font-size: 14px; }

.rules-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 var(--spacing-md);
}

.rules-table th {
  background: var(--muted);
  padding: 10px 14px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.rules-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--muted);
  font-size: 14px;
}

.rules-table tr:last-child td { border-bottom: none; }

.points-val { font-family: var(--font-mono); font-weight: 700; font-size: 16px; }
.points-val.high { color: var(--badge-exact-fg); }
.points-val.mid { color: var(--badge-result-fg); }
.points-val.low { color: var(--badge-advance-fg); }
.points-val.zero { color: var(--badge-wrong-fg); }

.example {
  background: #FDFBF7;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px var(--spacing-md);
  margin: var(--spacing-sm) 0 var(--spacing-md);
  font-size: 14px;
  line-height: 1.6;
}

.example .label {
  font-weight: 700;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 4px;
}

.example .match {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 500;
  margin-bottom: 6px;
}

.example .score { font-family: var(--font-mono); font-weight: 600; }
.example .arrow { color: var(--text-secondary); }

.note-box {
  background: var(--badge-advance-bg);
  border: 1px solid #BFDBFE;
  border-radius: var(--radius-md);
  padding: 14px var(--spacing-md);
  margin-top: var(--spacing-md);
  font-size: 14px;
  line-height: 1.6;
}

.note-box strong { color: var(--badge-advance-fg); }

/* Responsive */
@media (max-width: 959px) {
  .match-row { grid-template-columns: 1fr; gap: 4px; }
  .match-datetime { order: -1; }
  .match-summary { grid-template-columns: 1fr; gap: 4px; }
  .match-date { order: -1; }
  .match-status { order: -2; justify-content: flex-end; }
}

@media (max-width: 639px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-md);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  }
  .hamburger {
    display: block;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: var(--spacing-xs);
  }
  .match-row { grid-template-columns: 1fr; padding: 12px 0; }
  .match-team { font-size: 13px; }
  .score-inputs { justify-content: center; }
  .comp-row { grid-template-columns: 1fr; gap: 4px; padding: 12px var(--spacing-md); }
  .comp-date { order: -2; }
  .comp-teams { order: -1; }
  .leaderboard-table th, .leaderboard-table td { padding: 10px var(--spacing-sm); font-size: 13px; }
  .hide-mobile { display: none; }
}

@media (min-width: 640px) {
  .hamburger { display: none; }
}