:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #273449;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #22c55e;
  --accent-2: #16a34a;
  --warn: #f59e0b;
  --danger: #ef4444;
  --link: #38bdf8;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
}

header {
  background: linear-gradient(135deg, #064e3b, #065f46);
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

header h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.4px;
}

header h1 .brand {
  font-size: 15px;
  font-weight: 400;
  color: #a7f3d0;
  margin-left: 6px;
  letter-spacing: 0;
}

header .sub {
  color: #a7f3d0;
  font-size: 13px;
  margin-top: 4px;
}

.brand-banner {
  margin-top: 10px;
  padding: 8px 14px;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 8px;
  font-size: 14px;
  color: #ecfdf5;
  display: inline-block;
}

.brand-banner strong { color: #fcd34d; font-size: 16px; }

.scope-tagline {
  margin-top: 8px;
  font-size: 13px;
  color: #a7f3d0;
  line-height: 1.6;
}

.scope-tagline strong { color: #ecfdf5; font-weight: 600; }

a.link {
  color: var(--link);
  text-decoration: none;
}
a.link:hover { text-decoration: underline; }

.phone-mask {
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 1px;
}

.danger-zone {
  margin-top: 30px;
  padding: 16px;
  background: rgba(239, 68, 68, 0.06);
  border: 1px dashed rgba(239, 68, 68, 0.4);
  border-radius: 10px;
}

.danger-zone h4 { color: #fca5a5; font-size: 14px; }

.site-admin-footer {
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 8px;
}

.site-admin-footer span { color: #86efac; }

.thanks-card {
  margin-top: 30px;
  padding: 22px;
  background: linear-gradient(135deg, rgba(34,197,94,0.10), rgba(56,189,248,0.04));
  border: 1px solid rgba(34,197,94,0.35);
  border-radius: 12px;
  text-align: center;
  color: #ecfdf5;
  font-size: 14px;
  line-height: 1.55;
}

/* ---------- Avisos legales (Coljuegos / Habeas Data) ---------- */
.legal-banner {
  margin-top: 24px;
  padding: 14px 18px;
  background: rgba(245, 158, 11, 0.06);
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: 10px;
  font-size: 13px;
  color: #fde68a;
  line-height: 1.55;
}
.legal-banner strong { color: #fcd34d; display: block; margin-bottom: 4px; font-size: 14px; }
.legal-banner p { margin: 0; color: var(--text); }
.legal-banner a { color: var(--link); }

.legal-consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 14px;
  background: rgba(56, 189, 248, 0.06);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 8px;
  cursor: pointer;
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
}
.legal-consent input[type=checkbox] {
  margin-top: 3px;
  flex-shrink: 0;
  cursor: pointer;
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}
.legal-consent span { flex: 1; }

/* ---------- Footer global ---------- */
.site-footer {
  margin-top: 40px;
  padding: 20px 24px 24px;
  background: var(--panel);
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}
.site-footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  justify-content: center;
  max-width: 1100px;
  margin: 0 auto;
}
.site-footer .sep { color: var(--border); }
.site-footer-note {
  max-width: 920px;
  margin: 12px auto 0;
  text-align: center;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
  opacity: 0.85;
}

/* ---------- Modal legal (con tabs) ---------- */
.modal-content.modal-large {
  max-width: 720px;
}
.legal-content {
  max-height: 55vh;
  overflow-y: auto;
  padding: 4px 6px;
  line-height: 1.6;
  font-size: 14px;
}
.legal-content h4 { color: #a7f3d0; font-size: 15px; margin: 16px 0 6px; }
.legal-content p { margin: 8px 0; }
.legal-content ul { margin: 6px 0; padding-left: 22px; }
.legal-content ul li { margin: 4px 0; }
.legal-content a { color: var(--link); }
.legal-content .law-ref {
  background: rgba(56, 189, 248, 0.06);
  border-left: 3px solid var(--link);
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--muted);
  margin: 8px 0;
}

/* ---------- Manual de usuario ---------- */
.manual-cta {
  display: block;
  width: 100%;
  padding: 14px 20px;
  margin-bottom: 18px;
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.15), rgba(34, 197, 94, 0.08));
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: var(--text);
  border-radius: 10px;
  cursor: pointer;
  font-size: 15px;
  text-align: center;
  font-weight: 500;
}
.manual-cta:hover {
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.25), rgba(34, 197, 94, 0.12));
}
.manual-cta strong { color: var(--link); }

.manual-content { line-height: 1.6; }
.manual-content h3 { margin-top: 0; }
.manual-content h4 { color: #a7f3d0; font-size: 15px; margin-top: 16px; }
.manual-content p { margin: 8px 0; }
.manual-content ul { margin: 6px 0; padding-left: 22px; }
.manual-content ul li { margin: 4px 0; }
.manual-content code {
  background: var(--panel-2);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 13px;
}

.manual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 10px 0;
}
@media (max-width: 640px) { .manual-grid { grid-template-columns: 1fr; } }

.manual-box {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
}

.step-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin: 18px 0;
  padding: 14px;
  background: var(--panel-2);
  border-radius: 10px;
  border-left: 4px solid var(--accent);
}

.step-card > div { flex: 1; min-width: 0; }
.step-card h4 { margin: 0 0 8px; color: #ecfdf5; font-size: 16px; }

.step-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #052e16;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
}

.manual-content .tip {
  background: rgba(245, 158, 11, 0.08);
  border-left: 3px solid var(--warn);
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 13px;
  margin: 8px 0;
}

.payment-info {
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
  margin: 14px auto;
  padding: 14px 22px;
  background: rgba(0, 0, 0, 0.30);
  border: 1px dashed rgba(34,197,94,0.4);
  border-radius: 10px;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 15px;
  color: #fcd34d;
  text-align: left;
}

.payment-info strong { color: #ecfdf5; }

@media (max-width: 540px) {
  header h1 .brand { display: block; margin-left: 0; font-size: 13px; margin-top: 2px; }
}

nav.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

nav.tabs button {
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}

nav.tabs button:hover {
  background: var(--panel-2);
  color: var(--text);
}

nav.tabs button.active {
  background: var(--accent);
  color: #052e16;
  font-weight: 600;
}

main {
  padding: 20px;
  max-width: 1100px;
  margin: 0 auto;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

h2 {
  margin: 0 0 16px 0;
  font-size: 20px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}

h3 {
  margin: 18px 0 10px 0;
  font-size: 16px;
  color: #a7f3d0;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}

label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 13px;
}

input[type=text], input[type=tel], select {
  width: 100%;
  padding: 9px 11px;
  border-radius: 8px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  outline: none;
}

input:focus, select:focus {
  border-color: var(--accent);
}

button.primary, button.action {
  background: var(--accent);
  color: #052e16;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
}

button.primary:hover, button.action:hover {
  background: var(--accent-2);
}

button.secondary {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
}

button.secondary:hover {
  background: #334155;
}

button.danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
}

button.danger:hover {
  background: rgba(239, 68, 68, 0.15);
}

.row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.row > * { flex: 1; min-width: 0; }

.group-checkboxes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
  margin-top: 6px;
}

.group-checkboxes label {
  background: var(--panel-2);
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 0;
  color: var(--text);
  font-size: 14px;
  user-select: none;
}

.group-checkboxes label:hover {
  border-color: var(--accent);
}

.group-checkboxes input { margin: 0; cursor: pointer; }

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}

th, td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.match {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-bottom: 1px solid var(--border);
}

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

.match-date { color: var(--muted); font-size: 12px; }

.match-teams {
  font-weight: 500;
}

.match-options {
  display: flex;
  gap: 6px;
}

.match-options label {
  background: var(--panel-2);
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  cursor: pointer;
  margin: 0;
  color: var(--text);
  font-size: 13px;
  user-select: none;
}

.match-options input { display: none; }

.match-options input:checked + span {
  /* handled via wrapper */
}

.match-options label.selected {
  background: var(--accent);
  color: #052e16;
  border-color: var(--accent);
  font-weight: 600;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
}

.badge.win { background: rgba(34, 197, 94, 0.15); color: #86efac; border-color: rgba(34, 197, 94, 0.4); }
.badge.miss { background: rgba(239, 68, 68, 0.15); color: #fca5a5; border-color: rgba(239, 68, 68, 0.4); }
.badge.pending { background: rgba(245, 158, 11, 0.15); color: #fcd34d; border-color: rgba(245, 158, 11, 0.4); }

.points {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}

.rank-1 td:first-child::before { content: "🥇 "; }
.rank-2 td:first-child::before { content: "🥈 "; }
.rank-3 td:first-child::before { content: "🥉 "; }

.empty {
  text-align: center;
  color: var(--muted);
  padding: 30px;
  font-style: italic;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #052e16;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  z-index: 100;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.toast.show { opacity: 1; }

a.wa-link {
  display: inline-block;
  background: #25d366;
  color: #052e16;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 13px;
}

a.wa-link:hover { background: #1ebe5b; }

details {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
  background: var(--panel-2);
}

details > summary {
  cursor: pointer;
  padding: 10px 14px;
  font-weight: 600;
  user-select: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

details[open] > summary { border-bottom: 1px solid var(--border); }

details .match-list { padding: 0 6px; }

.group-summary { color: var(--muted); font-weight: 400; font-size: 13px; }

.notice {
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #7dd3fc;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 14px;
}

.notice.warn {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: #fcd34d;
}

.notice.confirmed {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.35);
  color: #86efac;
}

.notice.fee-notice {
  background: rgba(56, 189, 248, 0.08);
  border-color: rgba(56, 189, 248, 0.35);
  color: #bae6fd;
  font-size: 14px;
}

.bet-section {
  margin-top: 16px;
  padding: 14px;
  background: rgba(245, 158, 11, 0.06);
  border: 1px dashed rgba(245, 158, 11, 0.5);
  border-radius: 10px;
}

.bet-preview {
  margin-top: 10px;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  font-size: 15px;
  text-align: center;
  color: var(--muted);
}

.bet-preview strong { color: var(--text); }
.bet-preview strong.highlight {
  color: #fcd34d;
  font-size: 20px;
  letter-spacing: 0.5px;
}

a.wa-link.admin-share {
  background: #f59e0b;
  color: #422006;
}
a.wa-link.admin-share:hover { background: #d97706; }

.msg-preview {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12.5px;
  white-space: pre-wrap;
  margin: 8px 0;
  max-height: 200px;
  overflow: auto;
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  background: var(--panel-2);
  border-radius: 4px;
  margin-right: 4px;
  color: var(--muted);
}

/* ---------- utilidades comunes ---------- */
.muted { color: var(--muted); }
.small { font-size: 12px; }

/* ---------- indicador de campo obligatorio ---------- */
.req {
  color: var(--danger);
  font-weight: 700;
  margin-left: 2px;
}

.required-note {
  background: rgba(239, 68, 68, 0.06);
  border-left: 3px solid var(--danger);
  padding: 8px 12px;
  border-radius: 4px;
  margin-bottom: 14px !important;
  color: var(--text);
}
.required-note .req { font-size: 14px; }

/* ---------- grid de bienvenida ---------- */
.welcome-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 18px;
}
@media (max-width: 720px) { .welcome-grid { grid-template-columns: 1fr; } }

/* ---------- encabezado de vista (título + volver) ---------- */
.view-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.view-header h2 { margin: 0; border-bottom: none; padding-bottom: 0; }

/* ---------- subtabs (admin/player dashboards) ---------- */
.subtabs {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.subtabs button {
  background: transparent;
  color: var(--muted);
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 14px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: -1px;
}
.subtabs button:hover { color: var(--text); }
.subtabs button.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- selector de alcance (scope) ---------- */
.scope-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
@media (max-width: 540px) { .scope-options { grid-template-columns: 1fr; } }

.scope-card {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  margin: 0;
}
.scope-card:hover { border-color: var(--accent); }
.scope-card input[type=radio] { margin-top: 3px; cursor: pointer; }
.scope-card input[type=radio]:checked + div strong { color: var(--accent); }
.scope-card:has(input:checked) {
  background: rgba(34, 197, 94, 0.08);
  border-color: var(--accent);
}

.match-pick {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 6px 10px;
  margin: 0;
  cursor: pointer;
  background: transparent;
  border: none;
  font-size: 13px;
}
.match-pick:hover { background: rgba(255,255,255,0.04); }
.match-pick input { cursor: pointer; }

/* ---------- inputs de código ---------- */
.code-input {
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  letter-spacing: 4px;
  text-align: center;
  font-size: 20px;
  text-transform: uppercase;
}

/* ---------- info-table (resumen admin) ---------- */
.info-table th {
  text-align: left;
  width: 180px;
  color: var(--muted);
  font-weight: 500;
  padding: 8px 10px;
  text-transform: none;
  letter-spacing: normal;
  font-size: 13px;
}
.info-table td { padding: 8px 10px; }

/* ---------- chips de código ---------- */
.code-chip {
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  letter-spacing: 2px;
  background: var(--panel-2);
  padding: 3px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 14px;
}
.code-chip.admin { color: #fcd34d; border-color: rgba(245, 158, 11, 0.4); }

.role-chip {
  background: rgba(255,255,255,0.1);
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: #ecfdf5;
}

/* ---------- fila resaltada (jugador actual en tabla) ---------- */
.highlight-row {
  background: rgba(34, 197, 94, 0.08);
}

/* ---------- fila de ganadores (top 1 o top 3) ---------- */
.winner-row {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.12), rgba(245, 158, 11, 0.02));
  border-left: 3px solid #f59e0b;
}

.winner-row td:first-child {
  font-size: 18px;
  text-align: center;
}

.prize-amount {
  color: #fcd34d;
  font-size: 15px;
  letter-spacing: 0.3px;
}

/* ---------- partidos bloqueados (resultado ya entrado) ---------- */
.match-options.locked label {
  opacity: 0.7;
  cursor: not-allowed;
}
.match-options.locked label:not(.selected) {
  background: rgba(0,0,0,0.2);
}

/* ---------- partidos sin apuesta (al intentar confirmar) ---------- */
.match.missing {
  background: rgba(239, 68, 68, 0.10);
  border-left: 3px solid var(--danger);
  animation: pulseMissing 1.5s ease-in-out 2;
}

@keyframes pulseMissing {
  0%, 100% { background: rgba(239, 68, 68, 0.10); }
  50%      { background: rgba(239, 68, 68, 0.25); }
}

/* ---------- vista de resultados (lectura) ---------- */
.result-row .winner { color: var(--accent); }

/* ---------- variante admin del big-code ---------- */
.big-code.admin-code { color: #fcd34d; }

/* ---------- tarjeta de campeón del Mundial ---------- */
.champion-card {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(217, 119, 6, 0.04));
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 16px;
}

.champion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.champion-header h3 { color: #fcd34d; }

.champion-card select {
  background: rgba(0,0,0,0.25);
}

/* ---------- barra del header con info de la polla ---------- */
.polla-bar {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.polla-bar-info { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.polla-bar-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.polla-name { font-size: 15px; font-weight: 600; color: #ecfdf5; }

.polla-code-chip {
  background: rgba(0,0,0,0.25);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  color: #a7f3d0;
}
.polla-code-chip strong {
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  letter-spacing: 2px;
  color: #ecfdf5;
  margin-left: 4px;
}

/* ---------- splash (crear / entrar) ---------- */
.splash-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 18px;
}

@media (max-width: 720px) {
  .splash-grid { grid-template-columns: 1fr; }
}

/* ---------- modal de compartir ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
  backdrop-filter: blur(2px);
}

.modal[hidden] { display: none; }

.modal-content {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  max-width: 520px;
  width: 100%;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.big-code {
  font-size: 40px;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  letter-spacing: 8px;
  font-weight: 700;
  text-align: center;
  padding: 22px 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--accent);
  margin: 8px 0;
  user-select: all;
}

@media (max-width: 480px) {
  .big-code { font-size: 32px; letter-spacing: 5px; }
}

@media (max-width: 640px) {
  .match {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .match-options { flex-wrap: wrap; }
  main { padding: 12px; }
  header { padding: 14px 16px; }
  nav.tabs { padding: 8px; }
  nav.tabs button { padding: 7px 10px; font-size: 13px; }
}