:root {
  --bg: #0d1321;
  --bg-card: #161e31;
  --bg-card-hover: #1b2540;
  --border: #2a3654;
  --text: #e8ecf5;
  --text-dim: #8d99b5;
  --accent: #4ade80;
  --accent2: #38bdf8;
  --danger: #f87171;
  --warn: #fbbf24;
  --radius: 12px;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(56, 189, 248, 0.13), transparent),
    radial-gradient(ellipse 60% 40% at 90% 0%, rgba(74, 222, 128, 0.10), transparent);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
}

.loading-screen {
  display: flex; align-items: center; justify-content: center;
  height: 100vh; font-size: 1.4rem; color: var(--text-dim);
}

.container { max-width: 860px; margin: 0 auto; padding: 16px; }

/* ---------- topbar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0; margin-bottom: 12px;
}
.topbar .brand {
  font-size: 1.25rem; font-weight: 800; cursor: pointer;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.topbar .user-info { display: flex; align-items: center; gap: 10px; color: var(--text-dim); font-size: 0.9rem; }

/* ---------- auth ---------- */
.auth-wrap { max-width: 380px; margin: 8vh auto 0; }
.auth-hero { text-align: center; margin-bottom: 24px; }
.auth-hero .ball { font-size: 3.4rem; }
.auth-hero h1 {
  font-size: 1.6rem; margin-top: 8px;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.auth-hero p { color: var(--text-dim); margin-top: 6px; font-size: 0.95rem; }

.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}

.tabs { display: flex; gap: 4px; margin-bottom: 16px; background: var(--bg); border-radius: 10px; padding: 4px; }
.tabs button {
  flex: 1; padding: 9px; border: none; border-radius: 8px; background: transparent;
  color: var(--text-dim); font-weight: 600; cursor: pointer; font-size: 0.95rem;
}
.tabs button.active { background: var(--bg-card-hover); color: var(--text); }

.field { margin-bottom: 12px; }
.field label { display: block; font-size: 0.85rem; color: var(--text-dim); margin-bottom: 5px; }
.field input, .field select {
  width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 1rem; outline: none;
}
.field input:focus, .field select:focus { border-color: var(--accent2); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 16px; border: none; border-radius: 8px; cursor: pointer;
  font-size: 0.95rem; font-weight: 700; transition: filter 0.15s, transform 0.05s;
  background: var(--bg-card-hover); color: var(--text); border: 1px solid var(--border);
}
.btn:hover { filter: brightness(1.15); }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary {
  background: linear-gradient(90deg, #16a34a, #15803d); border: none; color: #fff;
}
.btn-accent { background: linear-gradient(90deg, #0284c7, #0369a1); border: none; color: #fff; }
.btn-full { width: 100%; }
.btn-sm { padding: 6px 10px; font-size: 0.83rem; }
.btn-ghost { background: transparent; }

/* ---------- home ---------- */
.section-title { font-size: 1.05rem; font-weight: 700; margin: 22px 0 10px; color: var(--text); }
.room-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
.room-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; cursor: pointer; transition: border-color 0.15s, background 0.15s;
}
.room-card:hover { border-color: var(--accent2); background: var(--bg-card-hover); }
.room-card .name { font-weight: 700; font-size: 1.05rem; margin-bottom: 6px; }
.room-card .meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }

.badge {
  display: inline-block; font-size: 0.72rem; font-weight: 700; padding: 3px 8px;
  border-radius: 20px; letter-spacing: 0.3px;
}
.badge-mode-1x2 { background: rgba(56, 189, 248, 0.15); color: #7dd3fc; }
.badge-mode-handicap { background: rgba(251, 191, 36, 0.15); color: var(--warn); }
.badge-owner { background: rgba(74, 222, 128, 0.15); color: var(--accent); }
.badge-dim { background: rgba(141, 153, 181, 0.15); color: var(--text-dim); }
.badge-live { background: rgba(248, 113, 113, 0.18); color: var(--danger); animation: pulse 1.4s infinite; }
@keyframes pulse { 50% { opacity: 0.55; } }

.home-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .home-actions { grid-template-columns: 1fr; } }

.empty { color: var(--text-dim); text-align: center; padding: 28px 0; font-size: 0.95rem; }

/* ---------- room header ---------- */
.room-header { margin-bottom: 14px; }
.room-header .top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.room-header h2 { font-size: 1.3rem; }
.room-code {
  font-family: Consolas, monospace; background: var(--bg-card); border: 1px dashed var(--border);
  padding: 4px 10px; border-radius: 8px; cursor: pointer; font-size: 0.9rem; color: var(--accent2);
}
.room-code:hover { border-color: var(--accent2); }
.room-header .sub { color: var(--text-dim); font-size: 0.85rem; margin-top: 6px; }

.room-tabs { display: flex; gap: 4px; margin: 14px 0; background: var(--bg-card); border-radius: 10px; padding: 4px; border: 1px solid var(--border); }
.room-tabs button {
  flex: 1; padding: 9px 4px; border: none; border-radius: 8px; background: transparent;
  color: var(--text-dim); font-weight: 600; cursor: pointer; font-size: 0.9rem;
}
.room-tabs button.active { background: var(--bg-card-hover); color: var(--text); }

.filter-bar { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; align-items: center; }
.chip {
  padding: 6px 13px; border-radius: 20px; border: 1px solid var(--border); background: transparent;
  color: var(--text-dim); cursor: pointer; font-size: 0.85rem; font-weight: 600;
}
.chip.active { background: rgba(56, 189, 248, 0.13); border-color: var(--accent2); color: var(--accent2); }

/* ---------- match cards ---------- */
.date-group { margin-bottom: 20px; }
.date-group > .date-label {
  font-size: 0.82rem; font-weight: 700; color: var(--text-dim); text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 8px; padding-left: 2px;
}
.match-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px; margin-bottom: 10px;
}
.match-card .mc-top {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.78rem; color: var(--text-dim); margin-bottom: 10px; gap: 8px; flex-wrap: wrap;
}
.match-card .teams {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px; align-items: center;
}
.team { display: flex; align-items: center; gap: 9px; min-width: 0; }
.team.right { flex-direction: row-reverse; text-align: right; }
.team img { width: 30px; height: 30px; object-fit: contain; border-radius: 4px; flex-shrink: 0; }
.team .tname { font-weight: 700; font-size: 0.97rem; overflow: hidden; text-overflow: ellipsis; }
.score-box { text-align: center; min-width: 70px; }
.score-box .score { font-size: 1.45rem; font-weight: 800; letter-spacing: 2px; }
.score-box .vs { font-size: 0.95rem; color: var(--text-dim); font-weight: 700; }
.score-box .time { font-size: 0.8rem; color: var(--accent2); font-weight: 700; }

.line-info {
  text-align: center; margin-top: 8px; font-size: 0.85rem; color: var(--warn); font-weight: 600;
}
.line-info.none { color: var(--text-dim); font-weight: 400; font-style: italic; }

.pick-row { display: flex; gap: 8px; margin-top: 12px; }
.pick-btn {
  flex: 1; padding: 9px 6px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text-dim); cursor: pointer; font-weight: 600; font-size: 0.86rem;
  transition: all 0.12s;
}
.pick-btn:hover { border-color: var(--accent2); color: var(--text); }
.pick-btn.selected {
  background: rgba(74, 222, 128, 0.13); border-color: var(--accent); color: var(--accent);
}
.pick-btn:disabled { opacity: 0.45; cursor: not-allowed; }

.my-result { margin-top: 10px; text-align: center; font-size: 0.9rem; font-weight: 700; }
.res-win { color: var(--accent); }
.res-halfwin { color: #86efac; }
.res-push { color: var(--text-dim); }
.res-halflose { color: #fca5a5; }
.res-lose { color: var(--danger); }

.others-picks { margin-top: 10px; border-top: 1px dashed var(--border); padding-top: 10px; }
.others-picks .op-title { font-size: 0.78rem; color: var(--text-dim); margin-bottom: 6px; }
.op-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.op-chip {
  font-size: 0.78rem; padding: 3px 9px; border-radius: 14px;
  background: var(--bg); border: 1px solid var(--border); color: var(--text-dim);
}
.op-chip .r { font-weight: 800; }

.set-line-row { margin-top: 10px; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.set-line-row select {
  padding: 7px 9px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 0.85rem;
}

/* ---------- leaderboard ---------- */
.lb-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.lb-table th, .lb-table td { padding: 10px 8px; text-align: center; border-bottom: 1px solid var(--border); }
.lb-table th { color: var(--text-dim); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.4px; }
.lb-table td.name-col, .lb-table th.name-col { text-align: left; }
.lb-table .rank { font-weight: 800; color: var(--text-dim); }
.lb-table tr:first-child .rank { color: var(--warn); }
.lb-table .pts { font-weight: 800; color: var(--accent2); }
.lb-table .me { background: rgba(56, 189, 248, 0.06); }
.lb-note { color: var(--text-dim); font-size: 0.8rem; margin-top: 10px; line-height: 1.5; }

/* ---------- members ---------- */
.member-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 4px; border-bottom: 1px solid var(--border); font-size: 0.95rem;
}
.member-row:last-child { border-bottom: none; }
.member-row .joined { color: var(--text-dim); font-size: 0.8rem; }

/* ---------- toast ---------- */
#toast-container { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 99; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--bg-card-hover); border: 1px solid var(--border); color: var(--text);
  padding: 11px 18px; border-radius: 10px; font-size: 0.9rem; box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  animation: toast-in 0.2s ease-out;
}
.toast.error { border-color: var(--danger); color: #fecaca; }
.toast.success { border-color: var(--accent); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

/* ---------- modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 50;
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.modal { width: 100%; max-width: 420px; }
.modal h3 { margin-bottom: 14px; }

.muted { color: var(--text-dim); }
.mt-2 { margin-top: 16px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }

@media (max-width: 520px) {
  .team .tname { font-size: 0.85rem; }
  .team img { width: 24px; height: 24px; }
  .lb-table { font-size: 0.8rem; }
  .lb-table th, .lb-table td { padding: 8px 4px; }
}