/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #080d1a;
  --bg2:       #0d1426;
  --card-bg:   #111827;
  --card-bg2:  #141e2e;
  --border:    rgba(0,212,255,.12);
  --accent:    #00d4ff;
  --accent2:   #0099cc;
  --gold:      #ffd700;
  --red:       #ff6b6b;
  --green:     #00e5a0;
  --teal:      #00d4ff;
  --text:      #e8f0fe;
  --muted:     #6b7a99;
  --banker-c:  #ff6b6b;
  --player-c:  #00d4ff;
  --tie-c:     #ffd700;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Noto Sans TC', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Particles ───────────────────────────────────────────── */
#particles {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0,212,255,.06) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(0,100,255,.04) 0%, transparent 70%),
    var(--bg);
}

/* ── Header ──────────────────────────────────────────────── */
.header {
  position: relative; z-index: 10;
  background: linear-gradient(180deg, rgba(0,212,255,.05) 0%, transparent 100%);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
.header-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}
.logo { display: flex; align-items: center; gap: 14px; }
.logo-icon {
  position: relative;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Orbitron', monospace; font-weight: 900; font-size: 14px;
  color: #000; flex-shrink: 0;
  box-shadow: 0 0 20px rgba(0,212,255,.5);
}
.logo-pulse {
  position: absolute; inset: -3px; border-radius: 14px;
  border: 2px solid rgba(0,212,255,.4);
  animation: pulse-ring 2s ease-out infinite;
}
@keyframes pulse-ring {
  0%   { transform: scale(1); opacity: .7; }
  100% { transform: scale(1.3); opacity: 0; }
}
.logo-title { font-size: 18px; font-weight: 700; color: var(--text); display: block; }
.logo-sub   { font-size: 11px; color: var(--muted); font-family: 'Orbitron', monospace; letter-spacing: 1px; }
.header-badges { display: flex; gap: 10px; }
.badge {
  padding: 5px 12px; border-radius: 20px;
  font-size: 12px; font-weight: 600; letter-spacing: .5px;
}
.badge-live {
  background: rgba(0,229,160,.1); border: 1px solid rgba(0,229,160,.3);
  color: var(--green); display: flex; align-items: center; gap: 6px;
}
.live-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--green);
  animation: blink 1.2s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }
.badge-ai {
  background: rgba(0,212,255,.1); border: 1px solid rgba(0,212,255,.3);
  color: var(--accent);
}

/* ── Main ────────────────────────────────────────────────── */
.main-wrap {
  position: relative; z-index: 5;
  max-width: 1100px; margin: 0 auto; padding: 32px 24px 60px;
  display: flex; flex-direction: column; gap: 28px;
}

/* accuracy banner – 2×2 grid */
.accuracy-banner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 16px; padding: 22px 24px;
}
.acc-item {
  display: flex; align-items: center; gap: 14px;
  background: var(--card-bg2);
  border: 1px solid rgba(255,255,255,.04);
  border-radius: 12px;
  padding: 14px 16px;
  min-height: 64px;
}
.acc-icon {
  font-size: 26px; flex-shrink: 0;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,212,255,.08);
  border-radius: 10px;
}
.acc-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.acc-label { font-size: 12px; color: var(--muted); }
.acc-val   { font-size: 15px; font-weight: 600; color: var(--accent); }

/* setup card (system → room → strategy) */
.setup-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px 24px;
  display: flex; flex-direction: column; gap: 18px;
}
.setup-header {
  display: flex; align-items: center; justify-content: space-between;
}
.setup-title { font-size: 16px; font-weight: 700; color: var(--text); }
.setup-progress {
  font-size: 12px; color: var(--accent); font-weight: 600;
  background: rgba(0,212,255,.08);
  border: 1px solid rgba(0,212,255,.25);
  padding: 4px 12px; border-radius: 20px;
}
.setup-step { display: flex; flex-direction: column; gap: 10px; transition: opacity .2s; }
.setup-step.disabled { opacity: .45; pointer-events: none; }
.setup-step-label {
  font-size: 13px; color: var(--muted); font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.step-num {
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(0,212,255,.12); color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; font-family: 'Orbitron', monospace;
}
.system-options { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.sys-btn {
  background: var(--card-bg2);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex; align-items: center; gap: 12px;
  cursor: pointer; font-family: inherit;
  color: var(--text); transition: .2s;
}
.sys-btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.sys-btn.active {
  border-color: var(--accent); background: rgba(0,212,255,.08);
  box-shadow: 0 0 0 3px rgba(0,212,255,.1);
}
.sys-tag {
  font-family: 'Orbitron', monospace; font-weight: 900;
  font-size: 16px; color: var(--accent);
  background: rgba(0,212,255,.12);
  padding: 6px 12px; border-radius: 8px;
}
.sys-desc { font-size: 14px; font-weight: 600; }

.room-options, .strategy-options {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.room-btn, .strat-btn {
  background: var(--card-bg2);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 13px; font-weight: 600;
  font-family: inherit; color: var(--text);
  cursor: pointer; transition: .2s;
}
.room-btn:hover, .strat-btn:hover { border-color: var(--accent); color: var(--accent); }
.room-btn.active, .strat-btn.active {
  background: rgba(0,212,255,.1); border-color: var(--accent);
  color: var(--accent); box-shadow: 0 0 0 3px rgba(0,212,255,.08);
}
.empty-tip-sm { color: var(--muted); font-size: 13px; padding: 8px 0; }

.setup-summary {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding-top: 12px; border-top: 1px dashed var(--border);
}
.summary-pill {
  background: rgba(0,212,255,.08);
  border: 1px solid rgba(0,212,255,.2);
  color: var(--accent);
  padding: 5px 12px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
}

.btn-analyze:disabled {
  opacity: .5; cursor: not-allowed; transform: none !important; box-shadow: none !important;
  background: linear-gradient(135deg, #555, #333);
  color: rgba(255,255,255,.7);
}

/* manual trend input */
.trend-hint { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.trend-input-row {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  margin-bottom: 16px;
}
.trend-btn {
  min-width: 72px; padding: 12px 22px;
  border-radius: 12px; border: 1.5px solid transparent;
  font-family: inherit; font-size: 20px; font-weight: 800;
  cursor: pointer; transition: all .2s;
}
.trend-banker { background: rgba(255,107,107,.14); color: var(--banker-c); border-color: rgba(255,107,107,.32); }
.trend-banker:hover { background: rgba(255,107,107,.24); border-color: var(--banker-c); transform: translateY(-2px); }
.trend-banker:active { transform: translateY(0); }
.trend-player { background: rgba(0,212,255,.14); color: var(--player-c); border-color: rgba(0,212,255,.32); }
.trend-player:hover { background: rgba(0,212,255,.24); border-color: var(--player-c); transform: translateY(-2px); }
.trend-player:active { transform: translateY(0); }
.trend-tie { background: rgba(255,215,0,.12); color: var(--tie-c); border-color: rgba(255,215,0,.28); }
.trend-tie:hover { background: rgba(255,215,0,.22); border-color: var(--tie-c); transform: translateY(-2px); }
.trend-tie:active { transform: translateY(0); }
.trend-input-actions { display: flex; gap: 8px; margin-left: auto; }
.trend-action {
  background: transparent; color: var(--muted);
  border: 1px solid rgba(255,255,255,.12); border-radius: 10px;
  padding: 9px 14px; font-size: 13px; font-family: inherit; font-weight: 500;
  cursor: pointer; transition: .2s;
}
.trend-action:hover { color: var(--text); border-color: var(--accent); }

/* predict section */
.predict-section {
  display: grid; grid-template-columns: 1fr 280px; gap: 20px;
}
@media(max-width:768px) { .predict-section { grid-template-columns: 1fr; } }

.predict-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px; padding: 30px;
  position: relative; overflow: hidden;
}
.predict-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,212,255,.03) 0%, transparent 60%);
  pointer-events: none;
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
}
.card-title { font-size: 18px; font-weight: 700; }
.pattern-tag {
  background: rgba(0,212,255,.1); border: 1px solid rgba(0,212,255,.25);
  color: var(--accent); padding: 5px 14px; border-radius: 20px; font-size: 13px;
  font-weight: 600;
}

/* odds */
.odds-row { display: flex; gap: 16px; margin-bottom: 24px; }
.odds-block {
  flex: 1; background: var(--card-bg2); border-radius: 14px;
  padding: 20px 16px; text-align: center; border: 1px solid transparent;
  transition: all .3s; position: relative;
}
.odds-block.banker  { border-color: rgba(255,107,107,.2); }
.odds-block.player  { border-color: rgba(0,212,255,.2); }
.odds-block.tie     { border-color: rgba(255,215,0,.15); }
.odds-block.winner  { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,.3); }
.odds-block.banker.winner  { border-color: var(--banker-c); background: rgba(255,107,107,.08); }
.odds-block.player.winner  { border-color: var(--player-c); background: rgba(0,212,255,.08); }
.odds-block.tie.winner     { border-color: var(--tie-c); background: rgba(255,215,0,.08); }

.odds-label { font-size: 22px; font-weight: 900; margin-bottom: 2px; }
.odds-block.banker .odds-label { color: var(--banker-c); }
.odds-block.player .odds-label { color: var(--player-c); }
.odds-block.tie    .odds-label { color: var(--tie-c); }
.odds-sub   { font-size: 10px; color: var(--muted); letter-spacing: 1px; margin-bottom: 12px; }
.odds-value { font-size: 32px; font-weight: 700; font-family: 'Orbitron', monospace; line-height: 1; }
.odds-block.banker .odds-value { color: var(--banker-c); }
.odds-block.player .odds-value { color: var(--player-c); }
.odds-block.tie    .odds-value { color: var(--tie-c); }
.odds-unit  { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.odds-bar-wrap { height: 4px; background: rgba(255,255,255,.07); border-radius: 2px; overflow: hidden; }
.odds-bar  { height: 100%; border-radius: 2px; transition: width 1s ease; }
.odds-block.banker .odds-bar { background: var(--banker-c); }
.odds-block.player .odds-bar { background: var(--player-c); }
.odds-block.tie    .odds-bar { background: var(--tie-c); }

/* AI result */
.ai-result {
  background: linear-gradient(135deg, rgba(0,212,255,.08), rgba(0,100,255,.08));
  border: 1px solid rgba(0,212,255,.2);
  border-radius: 14px; padding: 16px 20px;
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 22px;
}
.ai-result-label { font-size: 12px; color: var(--muted); font-weight: 600; letter-spacing: 1px; flex-shrink: 0; }
.ai-result-value {
  font-size: 36px; font-weight: 900; font-family: 'Orbitron', monospace;
  color: var(--gold); flex: 1; text-align: center;
  text-shadow: 0 0 20px rgba(255,215,0,.5);
}
.ai-conf { font-size: 13px; color: var(--muted); flex-shrink: 0; }
.ai-conf span { color: var(--green); font-weight: 600; }

/* analyze button */
.btn-analyze {
  width: 100%; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none; border-radius: 14px; padding: 16px;
  color: #000; font-size: 17px; font-weight: 700;
  font-family: 'Noto Sans TC', sans-serif; cursor: pointer;
  transition: all .3s;
}
.btn-analyze:hover { transform: translateY(-2px); box-shadow: 0 12px 36px rgba(0,212,255,.4); }
.btn-analyze:active { transform: translateY(0); }
.btn-analyze.loading { opacity: .7; cursor: wait; }
.btn-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; gap: 10px; }
.btn-icon { font-size: 20px; }
.btn-glow {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.15), transparent);
  opacity: 0; transition: opacity .3s;
}
.btn-analyze:hover .btn-glow { opacity: 1; }

.last-updated { font-size: 12px; color: var(--muted); text-align: center; margin-top: 12px; }

/* confidence card */
.conf-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 20px; padding: 24px; text-align: center;
}
.conf-title { font-size: 14px; font-weight: 600; color: var(--muted); margin-bottom: 16px; }
.gauge-wrap { width: 100%; max-width: 200px; margin: 0 auto; }
.gauge { width: 100%; overflow: visible; }
.gauge-track { fill: none; stroke: rgba(255,255,255,.06); stroke-width: 10; stroke-linecap: round; }
.gauge-fill  {
  fill: none; stroke: var(--gold); stroke-width: 10; stroke-linecap: round;
  stroke-dasharray: 0 251; transition: stroke-dasharray 1.2s ease;
}
.gauge-val { fill: var(--gold); font-size: 28px; font-weight: 700; font-family: 'Orbitron',monospace; text-anchor: middle; }
.gauge-pct { fill: var(--muted); font-size: 14px; text-anchor: middle; }
.gauge-min,.gauge-max { fill: var(--muted); font-size: 11px; }
.conf-label { font-size: 13px; color: var(--muted); margin-top: 12px; font-weight: 500; }

/* trend section */
.trend-section, .tip-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 20px; padding: 24px;
}
.section-header {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px;
}
.section-title { font-size: 16px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.section-icon { font-size: 18px; }
.strategy-badge {
  background: linear-gradient(135deg, rgba(255,215,0,.15), rgba(255,165,0,.1));
  border: 1px solid rgba(255,215,0,.3); color: var(--gold);
  padding: 5px 14px; border-radius: 20px; font-size: 13px; font-weight: 600;
}
.trend-chart-wrap { margin-bottom: 18px; }
#trendChart { width: 100% !important; }

.sequence-row { display: flex; gap: 8px; flex-wrap: wrap; }
.seq-item {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.seq-banker { background: rgba(255,107,107,.2); border: 2px solid var(--banker-c); color: var(--banker-c); }
.seq-player { background: rgba(0,212,255,.2); border: 2px solid var(--player-c); color: var(--player-c); }
.seq-tie    { background: rgba(255,215,0,.15); border: 2px solid var(--tie-c); color: var(--tie-c); }

/* tip card */
.tip-card { border-color: rgba(255,215,0,.15); }
.tip-header { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.tip-icon { font-size: 20px; }
.tip-title { font-size: 15px; font-weight: 700; color: var(--gold); }
.tip-analysis {
  background: rgba(0,212,255,.06); border: 1px solid rgba(0,212,255,.15);
  border-radius: 10px; padding: 12px 16px;
  font-size: 14px; color: var(--text); margin-bottom: 12px; line-height: 1.7;
}
.tip-body {
  background: rgba(255,215,0,.05); border: 1px solid rgba(255,215,0,.12);
  border-radius: 10px; padding: 12px 16px;
  font-size: 14px; color: var(--gold); line-height: 1.7;
}
.tip-footer { margin-top: 12px; font-size: 12px; color: var(--muted); }

/* history section */
.history-section {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 20px; padding: 24px;
}
.btn-refresh {
  background: rgba(0,212,255,.1); border: 1px solid rgba(0,212,255,.25);
  color: var(--accent); padding: 6px 16px; border-radius: 8px;
  font-size: 13px; cursor: pointer; font-family: inherit; transition: .2s;
}
.btn-refresh:hover { background: rgba(0,212,255,.2); }
.history-list { display: flex; flex-direction: column; gap: 8px; }
.empty-tip { color: var(--muted); font-size: 14px; text-align: center; padding: 20px; }
.history-item {
  display: flex; align-items: center; gap: 12px;
  background: var(--card-bg2); border: 1px solid rgba(255,255,255,.06);
  border-radius: 10px; padding: 12px 16px; transition: .2s;
}
.history-item:hover { border-color: rgba(0,212,255,.2); }
.hi-pred {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px; flex-shrink: 0;
}
.hi-pred.banker { background: rgba(255,107,107,.15); color: var(--banker-c); border: 1.5px solid var(--banker-c); }
.hi-pred.player { background: rgba(0,212,255,.15); color: var(--player-c); border: 1.5px solid var(--player-c); }
.hi-pred.tie    { background: rgba(255,215,0,.12); color: var(--tie-c); border: 1.5px solid var(--tie-c); }
.hi-name { font-size: 14px; font-weight: 600; flex: 1; }
.hi-rates { display: flex; gap: 8px; font-size: 12px; color: var(--muted); }
.hi-rates .r-b { color: var(--banker-c); }
.hi-rates .r-p { color: var(--player-c); }
.hi-rates .r-t { color: var(--tie-c); }
.hi-conf { font-size: 13px; color: var(--green); font-weight: 600; }
.hi-time { font-size: 12px; color: var(--muted); }

/* footer */
.footer {
  position: relative; z-index: 5;
  border-top: 1px solid var(--border);
  padding: 20px 24px; text-align: center;
}
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--muted); }
.footer-admin { color: var(--muted); text-decoration: none; font-size: 12px; }
.footer-admin:hover { color: var(--accent); }

/* toast */
.toast {
  position: fixed; bottom: 30px; right: 30px; z-index: 999;
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px 22px;
  font-size: 14px; transform: translateY(80px); opacity: 0;
  transition: all .3s; pointer-events: none;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.toast-success { border-color: rgba(0,229,160,.4); color: var(--green); }
.toast.toast-error   { border-color: rgba(255,107,107,.4); color: var(--red); }

/* loading spinner */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  display: inline-block; width: 18px; height: 18px;
  border: 2px solid rgba(0,0,0,.2); border-top-color: #000;
  border-radius: 50%; animation: spin .7s linear infinite;
  vertical-align: middle;
}

/* ── Responsive ──────────────────────────────────────────── */
@media(max-width:600px) {
  .accuracy-banner { padding: 16px; gap: 10px; }
  .acc-item { padding: 12px; gap: 10px; }
  .acc-icon { width: 38px; height: 38px; font-size: 22px; }
  .acc-val { font-size: 13px; }
  .acc-label { font-size: 11px; }
  .odds-row { gap: 10px; }
  .odds-value { font-size: 24px; }
  .header-badges { display: none; }
  .setup-card { padding: 18px; gap: 16px; }
  .system-options { gap: 10px; }
  .sys-btn { padding: 12px; }
  .room-btn, .strat-btn { padding: 9px 12px; font-size: 12px; }
}