/* =============================================================================
   PLAXTORIS - Design System & Styles
   ============================================================================= */

/* === Design Tokens === */
:root {
  /* Colors - Base */
  --color-bg-primary: #0d1117;
  --color-bg-secondary: #161b22;
  --color-bg-tertiary: #21262d;
  --color-bg-hover: #1c2128;

  /* Colors - Border */
  --color-border: #30363d;
  --color-border-light: rgba(48, 54, 61, 0.5);

  /* Colors - Text */
  --color-text-primary: #f0f6fc;
  --color-text-secondary: #c9d1d9;
  --color-text-muted: #8b949e;
  --color-text-faint: #484f58;

  /* Colors - Accent */
  --color-accent-green: #3fb950;
  --color-accent-green-bg: rgba(63, 185, 80, 0.15);
  --color-accent-blue: #58a6ff;
  --color-accent-blue-bg: rgba(88, 166, 255, 0.15);
  --color-accent-red: #f85149;
  --color-accent-red-bg: rgba(248, 81, 73, 0.15);
  --color-accent-purple: #a371f7;
  --color-accent-purple-bg: rgba(163, 113, 247, 0.15);
  --color-accent-orange: #d29922;
  --color-accent-orange-bg: rgba(210, 153, 34, 0.15);

  /* Spacing - 4px base */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Typography */
  --font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);

  /* Z-Index */
  --z-base: 1;
  --z-navbar: 100;
  --z-toast: 1000;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  background: linear-gradient(135deg, #0a0a0f 0%, var(--color-bg-primary) 50%, #0d0d14 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

h1, h2, h3, h4 {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  line-height: 1.3;
}

p { color: var(--color-text-muted); }

a {
  color: var(--color-accent-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { text-decoration: underline; }

/* === Layout === */
.main {
  flex: 1;
  padding: var(--space-10) var(--space-6);
  position: relative;
  z-index: var(--z-base);
}

.container {
  max-width: 1000px;
  margin: 0 auto;
}

.container.wide { max-width: 1200px; }

#neural-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* === Navbar === */
.navbar {
  background: rgba(22, 27, 34, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  padding: 0 var(--space-6);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: var(--z-navbar);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.navbar-brand:hover { text-decoration: none; }
.navbar-brand img { width: 32px; height: 32px; }

.navbar-brand span {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-link {
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-tertiary);
  text-decoration: none;
}

.nav-link.active {
  color: var(--color-text-primary);
  background: var(--color-border);
}

/* === Cards === */
.card,
.section-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.card { padding: var(--space-6); }

.section-card {
  margin-bottom: var(--space-6);
  overflow: hidden;
}

.section-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.section-header h2 {
  font-size: var(--font-size-lg);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  text-decoration: none;
}

.btn:hover { text-decoration: none; }

.btn-primary {
  background: linear-gradient(135deg, #238636, #2ea043);
  color: white;
  border-color: transparent;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2ea043, var(--color-accent-green));
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border-light);
}

.btn-ghost:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

/* Toggle Button */
.btn-toggle {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

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

.btn-toggle.active {
  background: var(--color-accent-green-bg);
  border-color: #238636;
  color: var(--color-accent-green);
}

.btn-toggle.stopped {
  background: var(--color-accent-red-bg);
  border-color: var(--color-accent-red);
  color: var(--color-accent-red);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-text-muted);
  transition: all var(--transition-base);
}

.btn-toggle.active .status-dot {
  background: var(--color-accent-green);
  box-shadow: 0 0 8px var(--color-accent-green);
}

.btn-toggle.stopped .status-dot {
  background: var(--color-accent-red);
}

/* Landing Button */
.btn-landing {
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.9);
  background: transparent;
  border: 1px solid rgba(100, 200, 255, 0.3);
  font-weight: var(--font-weight-normal);
  transition: all var(--transition-slow);
}

.btn-landing:hover {
  border-color: rgba(100, 200, 255, 0.6);
  background: rgba(100, 200, 255, 0.05);
  box-shadow: 0 0 30px rgba(100, 200, 255, 0.1);
}

/* === Forms === */
.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent-blue);
}

.form-input::placeholder {
  color: var(--color-text-faint);
}

/* === Alerts === */
.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
}

.alert-error {
  background: var(--color-accent-red-bg);
  border: 1px solid var(--color-accent-red);
  color: var(--color-accent-red);
}

.alert-success {
  background: var(--color-accent-green-bg);
  border: 1px solid var(--color-accent-green);
  color: var(--color-accent-green);
}

/* === Tables === */
.table-container {
  overflow-x: auto;
}

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

th, td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
}

th {
  background: var(--color-bg-primary);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: sticky;
  top: 0;
}

td {
  border-top: 1px solid var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

tbody tr:hover td {
  background: var(--color-bg-hover);
}

/* === Stats === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.stat-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.accent-green .stat-icon { background: var(--color-accent-green-bg); color: var(--color-accent-green); }
.accent-blue .stat-icon { background: var(--color-accent-blue-bg); color: var(--color-accent-blue); }
.accent-purple .stat-icon { background: var(--color-accent-purple-bg); color: var(--color-accent-purple); }
.accent-orange .stat-icon { background: var(--color-accent-orange-bg); color: var(--color-accent-orange); }
.accent-red .stat-icon { background: var(--color-accent-red-bg); color: var(--color-accent-red); }

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.stat-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.stat-value small {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-normal);
  margin-left: var(--space-1);
}

/* === Badges === */
.badge,
.signal-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-success,
.signal-badge.long {
  background: var(--color-accent-green-bg);
  color: var(--color-accent-green);
}

.badge-muted {
  background: rgba(139, 148, 158, 0.15);
  color: var(--color-text-muted);
}

.badge-error,
.signal-badge.sell {
  background: var(--color-accent-red-bg);
  color: var(--color-accent-red);
}

/* Dominant Signal Badge (shared base for table and detail view) */
.dominant-badge,
.dominant-signal-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-faint);
}

/* Signal type colors (shared) */
.dominant-badge.signal-technical,
.dominant-signal-badge.signal-technical {
  background: var(--color-accent-blue-bg);
  color: var(--color-accent-blue);
}

.dominant-badge.signal-news,
.dominant-signal-badge.signal-news {
  background: var(--color-accent-purple-bg);
  color: var(--color-accent-purple);
}

.dominant-badge.signal-fear_greed,
.dominant-signal-badge.signal-fear_greed {
  background: var(--color-accent-orange-bg);
  color: var(--color-accent-orange);
}

.dominant-badge.signal-mixed,
.dominant-signal-badge.signal-mixed {
  background: rgba(139, 148, 158, 0.15);
  color: var(--color-text-muted);
}

.dominant-badge.empty {
  background: transparent;
}

/* === Hit Indicator === */
.hit-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}

.hit-indicator.yes {
  background: var(--color-accent-green-bg);
  color: var(--color-accent-green);
}

.hit-indicator.no {
  background: var(--color-accent-red-bg);
  color: var(--color-accent-red);
}

.hit-indicator.pending {
  background: rgba(139, 148, 158, 0.1);
  color: var(--color-text-faint);
}

/* === Score Bar === */
.score-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.score-bar-track {
  width: 60px;
  height: 6px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.score-bar-fill.bullish { background: var(--color-accent-green); }
.score-bar-fill.bearish { background: var(--color-accent-red); }

/* === Expandable Rows === */
.col-expand { width: 40px; }

.btn-expand {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-expand:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border-color: var(--color-text-muted);
}

.btn-expand .expand-icon {
  transition: transform var(--transition-fast);
}

.prediction-row.expanded .btn-expand {
  background: var(--color-accent-blue-bg);
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
}

.prediction-row.expanded .expand-icon {
  transform: rotate(90deg);
}

.detail-row {
  display: none;
}

.detail-row.visible {
  display: table-row;
}

.detail-row td {
  padding: 0;
  border-top: none;
  background: var(--color-bg-primary);
}

.detail-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border-top: 1px dashed var(--color-border);
  animation: slideDown var(--transition-base) ease;
}

/* Simple detail layout for reasoning only */
.detail-content-simple {
  padding: var(--space-4) var(--space-6);
  animation: slideDown var(--transition-base) ease;
}

.detail-reasoning-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.detail-reasoning-text:empty::after {
  content: "Keine Begründung verfügbar";
  color: var(--color-text-faint);
  font-style: italic;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.detail-section {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.detail-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.detail-label svg {
  color: var(--color-accent-blue);
}

.detail-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.detail-text:empty::after {
  content: "Keine Daten verfügbar";
  color: var(--color-text-faint);
  font-style: italic;
}

/* Reasoning section - full width at top */
.detail-reasoning {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.detail-reasoning .reasoning:empty + .dominant-signal-badge {
  display: none;
}

/* Detail grid for price/news side by side */
.detail-grid {
  display: contents;
}

/* Dominant Signal Badge (detail view specific styles) */
.dominant-signal-badge {
  display: none;
  align-self: flex-start;
  margin-top: var(--space-2);
}

.dominant-signal-badge.visible {
  display: inline-flex;
}

@media (max-width: 768px) {
  .detail-content {
    grid-template-columns: 1fr;
  }

  .detail-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
  }
}

/* === Chart === */
.chart-container {
  padding: var(--space-5);
  height: 350px;
}

/* === Backtest Stats === */
.backtest-stats {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.backtest-stat {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.backtest-stat .dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.backtest-stat.hodl .dot { background: var(--color-accent-blue); }
.backtest-stat.strategy .dot { background: var(--color-accent-green); }
.backtest-stat.hodl span:last-child { color: var(--color-accent-blue); font-weight: var(--font-weight-semibold); }
.backtest-stat.strategy span:last-child { color: var(--color-accent-green); font-weight: var(--font-weight-semibold); }

/* === Toast === */
.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  padding: var(--space-4) var(--space-6);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-toast);
  animation: toast-in var(--transition-slow) ease;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.toast.success { border-color: var(--color-accent-green); }
.toast.error { border-color: var(--color-accent-red); }

@keyframes toast-in {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* === Pages: Auth === */
.auth-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-10) var(--space-5);
  position: relative;
  z-index: var(--z-base);
}

.auth-box {
  background: rgba(22, 27, 34, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.auth-box img {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-6);
}

.auth-box h1 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-6);
}

.auth-box form { text-align: left; }

.auth-box .btn-landing {
  width: 100%;
  padding: var(--space-3);
  cursor: pointer;
}

/* === Pages: Landing === */
.landing {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: var(--z-base);
}

.landing-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-8);
  max-width: 800px;
}

.landing-title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 300;
  letter-spacing: 0.4em;
  margin-bottom: var(--space-2);
  background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing-tagline {
  font-size: clamp(0.75rem, 2vw, 1rem);
  color: rgba(100, 200, 255, 0.8);
  text-transform: uppercase;
  letter-spacing: 0.4em;
  margin-bottom: var(--space-8);
  font-weight: 300;
}

.landing-description {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-base);
  line-height: 1.8;
  margin-bottom: var(--space-8);
  font-weight: 300;
}

/* === Pages: Dashboard === */
.dashboard-container { max-width: 1200px; }

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.header-left h1 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-1);
}

.header-controls {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.header-divider {
  width: 1px;
  height: 24px;
  background: var(--color-border);
}

/* Editable stat card */
.stat-editable .stat-value {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
}

.stat-editable .stat-value input {
  width: 80px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  font-family: inherit;
  padding: var(--space-1) var(--space-2);
  transition: var(--transition-fast);
  appearance: textfield;
  -moz-appearance: textfield;
}

.stat-editable .stat-value input::-webkit-outer-spin-button,
.stat-editable .stat-value input::-webkit-inner-spin-button {
  appearance: none;
  -webkit-appearance: none;
  margin: 0;
}

.stat-editable .stat-value input:hover {
  border-color: var(--color-border);
  background: var(--color-bg-tertiary);
}

.stat-editable .stat-value input:focus {
  outline: none;
  border-color: var(--color-accent-orange);
  background: var(--color-bg-tertiary);
}

.stat-editable .stat-value input:disabled {
  opacity: 0.5;
}

.page-header {
  margin-bottom: var(--space-8);
}

.page-header h1 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-2);
}

/* === Content Styles === */
.card h3 { margin-top: var(--space-8); }
.card h3:first-child { margin-top: 0; }
.card p { margin-top: var(--space-4); }
.card ul {
  margin-top: var(--space-2);
  margin-left: var(--space-5);
  color: var(--color-text-muted);
}

/* === Utilities === */
.text-success { color: var(--color-accent-green); }
.text-error { color: var(--color-accent-red); }
.text-muted { color: var(--color-text-muted); }
.font-semibold { font-weight: var(--font-weight-semibold); }

@keyframes spin {
  to { transform: rotate(360deg); }
}

.spin { animation: spin 1s linear infinite; }

/* === Responsive === */
@media (max-width: 768px) {
  :root {
    --space-6: 20px;
    --space-8: 24px;
    --space-10: 32px;
  }

  .navbar { padding: 0 var(--space-4); }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .dashboard-header {
    flex-direction: column;
    align-items: stretch;
  }

  .header-controls {
    justify-content: stretch;
  }

  .header-controls .btn {
    flex: 1;
  }

  .backtest-stats {
    flex-direction: column;
    gap: var(--space-2);
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }

  .landing-content { padding: var(--space-4); }
}

/* =============================================================================
   Agent Tabs
   ============================================================================= */

.agent-tabs-container {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.agent-tabs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  flex: 1;
}

.agent-tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.agent-tab:hover {
  background: var(--color-border);
  color: var(--color-text-primary);
}

.agent-tab.active {
  background: var(--color-accent-blue-bg);
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
}

.agent-tab .status-indicator {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-text-faint);
}

.agent-tab.active .status-indicator,
.agent-tab.enabled .status-indicator {
  background: var(--color-accent-green);
  box-shadow: 0 0 6px var(--color-accent-green);
}

.agent-tab.disabled .status-indicator {
  background: var(--color-text-faint);
}

.btn-add-agent {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  background: transparent;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-add-agent:hover {
  border-color: var(--color-accent-green);
  color: var(--color-accent-green);
  background: var(--color-accent-green-bg);
}

/* =============================================================================
   Modals
   ============================================================================= */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(-20px);
  transition: transform var(--transition-base);
}

.modal-overlay.visible .modal {
  transform: translateY(0);
}

.modal.modal-sm {
  max-width: 380px;
}

/* Confirm Dialog */
.modal.modal-confirm {
  max-width: 360px;
  text-align: center;
  padding: var(--space-8) var(--space-6);
}

.confirm-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-accent-red-bg);
  color: var(--color-accent-red);
  margin-bottom: var(--space-5);
}

.confirm-icon.warning {
  background: var(--color-accent-orange-bg);
  color: var(--color-accent-orange);
}

.modal-confirm h3 {
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.modal-confirm p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-6);
  line-height: 1.5;
}

.confirm-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}

.confirm-actions .btn {
  flex: 1;
  max-width: 140px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
  font-size: var(--font-size-lg);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.modal-close:hover {
  color: var(--color-text-primary);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-primary);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--space-5);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  margin-top: 0;
}

/* Radio Group */
.radio-group,
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.radio-option,
.checkbox-option {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.radio-option input,
.checkbox-option input {
  display: none;
}

.radio-option span,
.checkbox-option span {
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.radio-option:hover span,
.checkbox-option:hover span {
  border-color: var(--color-text-muted);
  color: var(--color-text-primary);
}

.radio-option input:checked + span,
.checkbox-option input:checked + span {
  background: var(--color-accent-blue-bg);
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
}

/* Hours Grid (24h selection) */
.hours-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: var(--space-2);
}

.hour-option {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.hour-option input {
  display: none;
}

.hour-option span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: var(--space-2) 0;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-family: monospace;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.hour-option:hover span {
  border-color: var(--color-text-muted);
  color: var(--color-text-primary);
}

.hour-option input:checked + span {
  background: var(--color-accent-blue-bg);
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
}

/* Toggle Switch */
.toggle-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  user-select: none;
}

.toggle-text {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  margin: 0;
  padding: 0;
}

.toggle-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.toggle-track {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 28px;
  background: var(--color-accent-red);
  border-radius: var(--radius-full);
  transition: background var(--transition-base);
}

.toggle-thumb {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: var(--radius-full);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .toggle-track {
  background: var(--color-accent-green);
}

.toggle-switch input:checked + .toggle-track .toggle-thumb {
  transform: translateX(22px);
}

/* Buttons */
.btn-danger {
  background: var(--color-accent-red-bg);
  color: var(--color-accent-red);
  border: 1px solid transparent;
}

.btn-danger:hover {
  background: var(--color-accent-red);
  color: white;
}