/* ═══════════════════════════════════════════════════════════
   Combat Mode — Dark Academia × Tactical Command
   Cassandra Design System 之延伸
   ═══════════════════════════════════════════════════════════ */

/* ── Google Fonts（與主站共用）────────────────────────────── */
@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700;800&family=Inter:wght@400;500;600;700&family=Noto+Sans+TC:wght@400;500;600;700&display=swap");

/* ── Design Tokens（繼承 Cassandra Design System）────────── */
:root {
  /* Background */
  --bg-primary: linear-gradient(to bottom, #1a1a1a, #0a0a0a);
  --bg-solid: #0f0f0f;

  /* Accent — Gold */
  --accent: #c5a059;
  --accent-light: #d4b36e;
  --accent-dark: #a88840;
  --accent-glow: 0 0 20px rgba(197, 160, 89, 0.35);

  /* Taiwan Color Logic */
  --up: #ef4444;
  --up-bg: rgba(239, 68, 68, 0.12);
  --down: #10b981;
  --down-bg: rgba(16, 185, 129, 0.12);

  /* Surfaces */
  --surface: rgba(255, 255, 255, 0.03);
  --surface-hover: rgba(255, 255, 255, 0.06);
  --surface-active: rgba(255, 255, 255, 0.08);

  /* Borders */
  --border: rgba(197, 160, 89, 0.15);
  --border-strong: rgba(197, 160, 89, 0.3);

  /* Text */
  --text: #e8e4de;
  --text-dim: #8a8275;
  --text-muted: #5a554d;

  /* Signal Colors */
  --signal-strong: #10b981;
  --signal-warning: #f59e0b;
  --signal-danger: #ef4444;
  --signal-info: #6366f1;

  /* Combat 專屬 Token */
  --combat-accent: #f59e0b;
  --combat-danger: #dc2626;
  --combat-success: #10b981;
  --combat-glow: 0 0 24px rgba(245, 158, 11, 0.2);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Radius */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Typography */
  --font-heading: "Playfair Display", "Georgia", serif;
  --font-body: "Noto Sans TC", "Inter", sans-serif;
  --font-mono: "SF Mono", "Menlo", monospace;

  /* Transition */
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ── Base ────────────────────────────────────────────────── */
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  padding: var(--space-lg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

/* ── Auth Gate ───────────────────────────────────────────── */
.combat-gate {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  text-align: center;
  gap: var(--space-lg);
}

.combat-gate .gate-icon {
  margin-bottom: var(--space-sm);
}

.combat-gate .gate-mascot {
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  box-shadow: 0 0 30px rgba(197, 160, 89, 0.25);
  animation: mascotPulse 3s ease-in-out infinite;
}

@keyframes mascotPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(197, 160, 89, 0.2); }
  50% { box-shadow: 0 0 40px rgba(245, 158, 11, 0.35); }
}

.combat-gate .gate-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--accent);
  font-weight: 700;
}

.combat-gate .gate-desc {
  color: var(--text-dim);
  font-size: 0.9rem;
  max-width: 360px;
}

.combat-gate .btn-google-login {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border: 2px solid var(--border-strong);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.combat-gate .btn-google-login:hover {
  border-color: var(--accent);
  box-shadow: var(--accent-glow);
}

.combat-gate .gate-denied {
  color: var(--signal-danger);
  font-size: 0.9rem;
  padding: var(--space-md);
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-sm);
  max-width: 360px;
}

/* ── Container ───────────────────────────────────────────── */
.combat-container {
  max-width: 800px;
  margin: 0 auto;
}

/* ── Header ──────────────────────────────────────────────── */
.combat-header {
  text-align: center;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.combat-header h1 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: var(--space-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
}

.combat-badge {
  display: inline-block;
  font-size: 0.5em;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.15em 0.6em;
  border-radius: 6px;
  background: linear-gradient(135deg, #f59e0b, #fbbf24, #f59e0b);
  background-size: 200% 100%;
  color: #0a0a0a;
  vertical-align: middle;
  animation: combatShimmer 3s ease-in-out infinite;
}

@keyframes combatShimmer {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

.combat-header .subtitle {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.combat-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.combat-nav .nav-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition);
}

.combat-nav .nav-link:hover {
  color: var(--accent);
}

.combat-nav .btn-back {
  padding: 0.4rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 0.8rem;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}

.combat-nav .btn-back:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Dashboard Summary Cards ─────────────────────────────── */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.summary-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.summary-card:hover {
  border-color: var(--border-strong);
}

.summary-card .card-label {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.summary-card .card-value {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1.2;
}

.summary-card .card-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: var(--space-xs);
}

.card-value.positive { color: var(--up); }
.card-value.negative { color: var(--down); }
.card-value.neutral  { color: var(--accent); }

/* ── Section Panels ──────────────────────────────────────── */
.combat-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--accent);
  font-weight: 600;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn-primary {
  padding: 0.6rem 1.2rem;
  background: linear-gradient(135deg, var(--combat-accent), #fbbf24);
  border: none;
  border-radius: var(--radius-sm);
  color: #0a0a0a;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: var(--combat-glow);
}

.btn-secondary {
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition);
}

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

.btn-danger {
  padding: 0.5rem 1rem;
  background: rgba(220, 38, 38, 0.15);
  border: 1px solid rgba(220, 38, 38, 0.3);
  border-radius: var(--radius-sm);
  color: var(--signal-danger);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-danger:hover {
  background: rgba(220, 38, 38, 0.25);
}

/* ── Trade Plan Form ─────────────────────────────────────── */
.trade-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group select {
  padding: 0.65rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  font-family: var(--font-mono);
  outline: none;
  transition: border-color var(--transition);
}

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

.form-group input::placeholder {
  color: var(--text-muted);
  font-family: var(--font-body);
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
  margin-top: var(--space-sm);
}

/* ── Position Table ──────────────────────────────────────── */
.position-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.position-table thead th {
  padding: 0.6rem 0.5rem;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.position-table tbody td {
  padding: 0.7rem 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  vertical-align: middle;
}

.position-table tbody tr {
  transition: background var(--transition);
}

.position-table tbody tr:hover {
  background: var(--surface-hover);
}

.position-table .stock-code {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent-light);
}

.position-table .stock-name {
  color: var(--text-dim);
  font-size: 0.78rem;
}

.position-table .price-cell {
  font-family: var(--font-mono);
  font-weight: 600;
}

.position-table .pnl-cell {
  font-family: var(--font-mono);
  font-weight: 700;
}

.position-table .pnl-cell.positive { color: var(--up); }
.position-table .pnl-cell.negative { color: var(--down); }

/* ── Status Badge ────────────────────────────────────────── */
.status-badge {
  display: inline-block;
  padding: 0.15em 0.5em;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.status-badge.planned {
  background: rgba(99, 102, 241, 0.15);
  color: var(--signal-info);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.status-badge.holding {
  background: var(--up-bg);
  color: var(--up);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-badge.closed {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.status-badge.cancelled {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ── Empty State ─────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: var(--space-2xl);
  color: var(--text-muted);
}

.empty-state .empty-icon {
  margin-bottom: var(--space-md);
}

.empty-state .empty-mascot {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--border);
  opacity: 0.7;
  transition: opacity var(--transition);
}

.empty-state:hover .empty-mascot {
  opacity: 1;
}

.empty-state .empty-text {
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

/* ── Toast ───────────────────────────────────────────────── */
.combat-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 0.75rem 1.2rem;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-sm);
  color: var(--signal-strong);
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 9999;
  animation: toastIn 0.3s ease-out, toastOut 0.3s ease-in 2.7s forwards;
}

.combat-toast.error {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--signal-danger);
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* ── Confirm Dialog ──────────────────────────────────────── */
.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.2s ease-out;
}

.confirm-box {
  background: #1a1a1a;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: var(--space-xl);
  max-width: 380px;
  text-align: center;
}

.confirm-box .confirm-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--signal-danger);
  margin-bottom: var(--space-sm);
}

.confirm-box .confirm-msg {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: var(--space-lg);
}

.confirm-box .confirm-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
  body { padding: var(--space-md); }

  .summary-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .summary-card { padding: var(--space-md); }
  .summary-card .card-value { font-size: 1.4rem; }

  .trade-form {
    grid-template-columns: 1fr;
  }

  .position-table {
    font-size: 0.78rem;
  }

  .position-table thead th,
  .position-table tbody td {
    padding: 0.5rem 0.3rem;
  }

  .combat-header h1 { font-size: 1.4rem; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}