/* ============================================================
   EMA Crossover Pro — Design System & Styles
   ============================================================ */

/* ---------- CSS Custom Properties / Design Tokens ---------- */
:root {
  /* Base colors */
  --clr-bg: #f8f9fc;
  --clr-surface: #ffffff;
  --clr-surface-2: #f1f3f8;
  --clr-surface-hover: #eef1f6;
  --clr-border: #e2e6ef;
  --clr-border-subtle: #edf0f5;
  --clr-ink: #1a1f36;
  --clr-ink-2: #3c4257;
  --clr-mute: #697386;
  --clr-mute-2: #8792a2;

  /* Brand */
  --clr-primary: #635bff;
  --clr-primary-hover: #5147e5;
  --clr-primary-bg: rgba(99, 91, 255, 0.08);
  --clr-primary-glow: rgba(99, 91, 255, 0.25);

  /* Chart colors */
  --clr-fast: #635bff;
  --clr-mid: #f59e0b;
  --clr-slow: #ec4899;
  --clr-candle: #8792a2;
  --clr-buy: #10b981;
  --clr-buy-bg: rgba(16, 185, 129, 0.1);
  --clr-sell: #ef4444;
  --clr-sell-bg: rgba(239, 68, 68, 0.1);

  /* Effects */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.1), 0 2px 10px rgba(0,0,0,0.06);
  --shadow-glow: 0 0 30px var(--clr-primary-glow);

  /* Sizing */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 200ms;
}

/* ---------- Dark Theme ---------- */
[data-theme="dark"] {
  --clr-bg: #0b0f1a;
  --clr-surface: #151929;
  --clr-surface-2: #1c2137;
  --clr-surface-hover: #232842;
  --clr-border: #2a3050;
  --clr-border-subtle: #1f2540;
  --clr-ink: #f0f2f8;
  --clr-ink-2: #c8cce0;
  --clr-mute: #7b82a0;
  --clr-mute-2: #5e6580;

  --clr-primary: #818cf8;
  --clr-primary-hover: #a5b4fc;
  --clr-primary-bg: rgba(129, 140, 248, 0.12);
  --clr-primary-glow: rgba(129, 140, 248, 0.2);

  --clr-fast: #818cf8;
  --clr-mid: #fbbf24;
  --clr-slow: #f472b6;
  --clr-candle: #7b82a0;
  --clr-buy: #34d399;
  --clr-buy-bg: rgba(52, 211, 153, 0.12);
  --clr-sell: #f87171;
  --clr-sell-bg: rgba(248, 113, 113, 0.12);

  --glass-bg: rgba(21, 25, 41, 0.75);
  --glass-border: rgba(42, 48, 80, 0.6);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.5);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--clr-bg);
  color: var(--clr-ink);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--duration) var(--ease), color var(--duration) var(--ease);
  overflow-x: hidden;
}

.hidden { display: none !important; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-mute-2); }

/* ============================================================
   AUTH SCREEN
   ============================================================ */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 20px;
}

.auth-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.auth-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--clr-border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--clr-border-subtle) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.5;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
}

.auth-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
}
.auth-glow-1 {
  width: 500px; height: 500px;
  background: #635bff;
  top: -100px; right: -100px;
  animation: float 8s ease-in-out infinite;
}
.auth-glow-2 {
  width: 400px; height: 400px;
  background: #ec4899;
  bottom: -100px; left: -100px;
  animation: float 10s ease-in-out infinite reverse;
}
.auth-glow-3 {
  width: 300px; height: 300px;
  background: #f59e0b;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: float 12s ease-in-out infinite;
  opacity: 0.2;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.auth-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.auth-brand {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo {
  display: inline-flex;
  margin-bottom: 16px;
  animation: logoEntry 0.8s var(--ease) both;
}
.auth-logo svg {
  filter: drop-shadow(0 4px 12px rgba(99, 91, 255, 0.4));
}

@keyframes logoEntry {
  from { opacity: 0; transform: translateY(-20px) scale(0.8); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-title {
  font-size: 32px;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.03em;
  animation: fadeUp 0.6s var(--ease) 0.1s both;
}
.auth-title span {
  background: linear-gradient(135deg, #635bff, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-subtitle {
  color: var(--clr-mute);
  margin: 6px 0 0;
  font-size: 15px;
  animation: fadeUp 0.6s var(--ease) 0.2s both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Auth Card ---------- */
.auth-card {
  width: 100%;
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  box-shadow: var(--shadow-lg);
  animation: cardEntry 0.6s var(--ease) 0.3s both;
}

@keyframes cardEntry {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-form-title {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 4px;
  letter-spacing: -0.02em;
}
.auth-form-desc {
  color: var(--clr-mute);
  margin: 0 0 24px;
  font-size: 14px;
}

.input-group {
  margin-bottom: 18px;
}
.input-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-ink-2);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}
.input-icon {
  position: absolute;
  left: 12px;
  color: var(--clr-mute-2);
  pointer-events: none;
  transition: color var(--duration) var(--ease);
}
.input-wrapper input {
  width: 100%;
  padding: 11px 12px 11px 40px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  color: var(--clr-ink);
  background: var(--clr-surface-2);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--duration) var(--ease);
}
.input-wrapper input:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-bg);
  background: var(--clr-surface);
}
.input-wrapper input:focus + .input-icon,
.input-wrapper input:focus ~ .input-icon {
  color: var(--clr-primary);
}
.input-wrapper input::placeholder {
  color: var(--clr-mute-2);
  font-weight: 400;
}

.toggle-pass {
  position: absolute;
  right: 8px;
  background: none;
  border: none;
  color: var(--clr-mute-2);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: color var(--duration) var(--ease);
}
.toggle-pass:hover { color: var(--clr-ink); }

/* Password strength */
.password-strength {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.strength-bar {
  flex: 1;
  height: 4px;
  background: var(--clr-border);
  border-radius: 2px;
  overflow: hidden;
}
.strength-fill {
  height: 100%;
  width: 0%;
  border-radius: 2px;
  transition: width 0.3s ease, background 0.3s ease;
}
#strength-text {
  font-size: 12px;
  color: var(--clr-mute-2);
  white-space: nowrap;
  min-width: 100px;
  text-align: right;
}

/* Auth error */
.auth-error {
  color: var(--clr-sell);
  font-size: 13px;
  font-weight: 500;
  min-height: 0;
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.auth-error:not(:empty) {
  min-height: 20px;
  margin-bottom: 12px;
  padding: 8px 12px;
  background: var(--clr-sell-bg);
  border-radius: var(--radius-sm);
}

/* Auth buttons */
.auth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 20px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #635bff, #8b5cf6);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  box-shadow: 0 2px 8px rgba(99, 91, 255, 0.3);
}
.auth-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(99, 91, 255, 0.4);
}
.auth-btn:active { transform: translateY(0); }
.auth-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.auth-btn-outline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px 20px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--clr-ink);
  background: var(--clr-surface-2);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}
.auth-btn-outline:hover {
  background: var(--clr-surface-hover);
  border-color: var(--clr-primary);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 20px 0;
  color: var(--clr-mute-2);
  font-size: 13px;
}
.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--clr-border);
}

.auth-switch {
  text-align: center;
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--clr-mute);
}
.auth-switch a {
  color: var(--clr-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--duration) var(--ease);
}
.auth-switch a:hover { color: var(--clr-primary-hover); }

.auth-footer {
  margin: 24px 0 0;
  font-size: 13px;
  color: var(--clr-mute-2);
  animation: fadeUp 0.6s var(--ease) 0.5s both;
}

/* ============================================================
   TOPBAR / NAVIGATION
   ============================================================ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border-subtle);
  transition: background var(--duration) var(--ease);
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.topbar-logo svg { width: 32px; height: 32px; }
.topbar-brand {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.topbar-brand b {
  background: linear-gradient(135deg, var(--clr-primary), #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  background: var(--clr-surface-2);
  color: var(--clr-mute);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}
.theme-toggle:hover {
  background: var(--clr-surface-hover);
  color: var(--clr-ink);
  border-color: var(--clr-primary);
}
[data-theme="dark"] .icon-sun { display: inline; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: inline; }
/* Default state */
.icon-sun { display: none; }
.icon-moon { display: inline; }
[data-theme="dark"] .icon-sun { display: inline; }
[data-theme="dark"] .icon-moon { display: none; }

/* User menu */
.user-menu { position: relative; }
.user-avatar {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #635bff, #a855f7);
  border: none;
  color: white;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
  font-family: inherit;
}
.user-avatar:hover {
  transform: scale(1.05);
  box-shadow: 0 0 0 3px var(--clr-primary-bg);
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 6px;
  box-shadow: var(--shadow-lg);
  animation: dropIn 0.2s var(--ease);
}
@keyframes dropIn {
  from { opacity: 0; transform: translateY(-8px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.dropdown-header {
  padding: 12px 14px;
}
.dropdown-name {
  display: block;
  font-weight: 600;
  font-size: 14px;
}
.dropdown-email {
  display: block;
  font-size: 12px;
  color: var(--clr-mute);
  margin-top: 2px;
}
.dropdown-divider {
  height: 1px;
  background: var(--clr-border);
  margin: 4px 0;
}
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--clr-sell);
  background: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--duration) var(--ease);
}
.dropdown-item:hover {
  background: var(--clr-sell-bg);
}

/* ============================================================
   MAIN APP LAYOUT
   ============================================================ */
.app-screen {
  animation: appEntry 0.5s var(--ease) both;
}
@keyframes appEntry {
  from { opacity: 0; }
  to { opacity: 1; }
}

.app-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 20px 60px;
}

/* ---------- API Banner ---------- */
.api-banner {
  margin-bottom: 20px;
  animation: slideDown 0.4s var(--ease);
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}
.api-banner-content {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  background: var(--clr-primary-bg);
  border: 1px solid var(--clr-primary);
  border-radius: var(--radius-lg);
}
.api-banner-icon {
  flex-shrink: 0;
  color: var(--clr-primary);
}
.api-banner-text {
  flex: 1;
}
.api-banner-text strong {
  font-size: 14px;
  display: block;
}
.api-banner-text p {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--clr-mute);
}
.api-banner-text a {
  color: var(--clr-primary);
  text-decoration: none;
  font-weight: 600;
}
.api-banner-text a:hover { text-decoration: underline; }
.api-banner-input {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.api-banner-input input {
  width: 200px;
  padding: 8px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--clr-ink);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--duration) var(--ease);
}
.api-banner-input input:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-bg);
}
.api-banner-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--clr-mute);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: color var(--duration) var(--ease);
}
.api-banner-close:hover { color: var(--clr-ink); }

@media (max-width: 768px) {
  .api-banner-content {
    flex-wrap: wrap;
  }
  .api-banner-input {
    width: 100%;
  }
  .api-banner-input input {
    flex: 1;
    width: auto;
  }
}

/* ---------- Section Header ---------- */
.section-header {
  margin-bottom: 20px;
}
.header-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.stock-name {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.03em;
}
.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--clr-buy);
  background: var(--clr-buy-bg);
  border-radius: var(--radius-full);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.live-dot {
  width: 6px;
  height: 6px;
  background: var(--clr-buy);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.header-price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-top: 4px;
}
.current-price {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.price-change {
  font-size: 16px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.price-up { color: var(--clr-buy); }
.price-down { color: var(--clr-sell); }

/* ---------- Cards ---------- */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 20px;
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.card:hover {
  border-color: var(--clr-border);
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--clr-border-subtle);
  flex-wrap: wrap;
}
.card-header h2 {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.01em;
}
.card-header h2 svg {
  color: var(--clr-primary);
  flex-shrink: 0;
}

.card-body {
  padding: 20px;
}

.card-desc {
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--clr-mute);
}
.card-hint {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--clr-mute-2);
}
.card-hint code {
  padding: 2px 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: 4px;
}

/* ---------- Live Controls ---------- */
.live-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-end;
  margin-bottom: 16px;
}
.control-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.control-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--clr-mute);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.control-group input[type="text"],
.control-group input[type="number"],
.control-group select {
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 12px;
  color: var(--clr-ink);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--duration) var(--ease);
  min-width: 0;
}
.control-group input[type="text"] { width: 140px; }
.control-group input[type="number"] { width: 90px; }
.control-group select { width: 140px; }

.control-group input:focus,
.control-group select:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-bg);
}

.control-actions {
  flex-direction: row;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}

/* Checkbox */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--clr-ink-2);
  cursor: pointer;
  user-select: none;
}
.checkbox-label input[type="checkbox"] {
  display: none;
}
.checkbox-custom {
  width: 18px;
  height: 18px;
  border: 2px solid var(--clr-border);
  border-radius: 4px;
  position: relative;
  transition: all var(--duration) var(--ease);
  flex-shrink: 0;
}
.checkbox-label input:checked + .checkbox-custom {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
}
.checkbox-label input:checked + .checkbox-custom::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Quick picks */
.quick-picks {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.quick-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--clr-mute);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.quick-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.qchip {
  padding: 4px 12px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--clr-ink-2);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
}
.qchip:hover {
  background: var(--clr-primary-bg);
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}
.qchip-us {
  border-style: dashed;
}

.live-status {
  font-size: 13px;
  color: var(--clr-mute);
  padding: 8px 12px;
  background: var(--clr-surface-2);
  border-radius: var(--radius-sm);
  font-variant-numeric: tabular-nums;
}

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #635bff, #8b5cf6);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
  box-shadow: 0 1px 4px rgba(99, 91, 255, 0.3);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 12px rgba(99, 91, 255, 0.4);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-sm { padding: 6px 14px; font-size: 13px; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--clr-ink);
  background: transparent;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}
.btn-outline:hover {
  border-color: var(--clr-primary);
  background: var(--clr-primary-bg);
  color: var(--clr-primary);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-mute);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}
.btn-ghost:hover { color: var(--clr-ink); background: var(--clr-surface-2); }

/* ---------- EMA Controls (inside chart header) ---------- */
.ema-controls {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}
.ema-input-group {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.ema-input-group label {
  font-size: 11px;
  font-weight: 600;
  color: var(--clr-mute);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.ema-input-group input {
  width: 70px;
  padding: 6px 10px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  color: var(--clr-ink);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--duration) var(--ease);
}
.ema-input-group input:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-bg);
}

/* ---------- Signal Banner ---------- */
.signal-banner {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s var(--ease);
}
.signal-banner:empty { display: none; }
.signal-bullish {
  background: var(--clr-buy-bg);
  color: var(--clr-buy);
  border: 1px solid var(--clr-buy);
}
.signal-bearish {
  background: var(--clr-sell-bg);
  color: var(--clr-sell);
  border: 1px solid var(--clr-sell);
}
.signal-mixed {
  background: var(--clr-surface-2);
  color: var(--clr-mute);
  border: 1px solid var(--clr-border);
}

/* ---------- Stats Row ---------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
@media (max-width: 600px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}
.stat-card {
  padding: 14px 16px;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--duration) var(--ease);
}
.stat-card:hover {
  border-color: var(--clr-border);
  transform: translateY(-1px);
}
.stat-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--clr-mute);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.stat-value {
  font-size: 22px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

/* ---------- Chart ---------- */
.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--clr-mute);
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  border: 1.5px solid var(--clr-candle);
}
.legend-line {
  width: 20px;
  height: 3px;
  border-radius: 2px;
}
.legend-buy { color: var(--clr-buy); font-weight: 600; }
.legend-sell { color: var(--clr-sell); font-weight: 600; }

.chart-readout {
  font-size: 13px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--clr-mute);
  font-variant-numeric: tabular-nums;
  min-height: 22px;
  margin-bottom: 8px;
  padding: 6px 10px;
  background: var(--clr-surface-2);
  border-radius: var(--radius-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- Zoom Controls ---------- */
.zoom-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}
.zoom-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-mute);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  flex-shrink: 0;
}
.zoom-btn:hover {
  background: var(--clr-primary-bg);
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  transform: scale(1.05);
}
.zoom-btn:active {
  transform: scale(0.95);
}
.zoom-info {
  font-size: 12px;
  color: var(--clr-mute-2);
  font-family: 'JetBrains Mono', monospace;
  margin-left: 4px;
  user-select: none;
}

/* ---------- Chart Toolbar & Timeframe ---------- */
.chart-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
  padding: 8px 12px;
  background: var(--clr-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border-subtle);
}
.timeframe-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.tf-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--clr-mute);
  text-transform: uppercase;
  margin-right: 4px;
  letter-spacing: 0.05em;
}
.tf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border-subtle);
  border-radius: var(--radius-sm);
  color: var(--clr-ink);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}
.tf-btn:hover {
  background: var(--clr-surface-3);
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}
.tf-btn.active {
  background: var(--clr-primary) !important;
  border-color: var(--clr-primary) !important;
  color: #fff !important;
  font-weight: 700;
  box-shadow: 0 1px 4px rgba(99, 102, 241, 0.4);
}

/* Commodity chip style */
.qchip-cmd {
  border-color: #f59e0b;
  color: #f59e0b;
}
.qchip-cmd:hover {
  background: rgba(245, 158, 11, 0.12);
  border-color: #f59e0b;
  color: #f59e0b;
}

.chart-container {
  width: 100%;
  height: 420px;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border-subtle);
}
.chart-container canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

@media (max-width: 768px) {
  .chart-container { height: 300px; }
}

/* ---------- Two Column Layout ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 768px) {
  .two-col { grid-template-columns: 1fr; }
}
.stack-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ---------- Scanner ---------- */
.scanner-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.scanner-presets .qchip {
  cursor: pointer;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid var(--clr-border);
  background: var(--clr-surface-2);
  color: var(--clr-ink);
  transition: all var(--duration) var(--ease);
  user-select: none;
}
.scanner-presets .qchip:hover {
  border-color: var(--clr-primary);
  background: var(--clr-surface);
}
.scanner-presets .qchip.active {
  background: var(--clr-primary) !important;
  border-color: var(--clr-primary) !important;
  color: #fff !important;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
}
.scanner-presets .qchip.qchip-cmd {
  border-color: #f59e0b;
  color: #f59e0b;
}
.scanner-presets .qchip.qchip-cmd.active {
  background: #f59e0b !important;
  border-color: #f59e0b !important;
  color: #111827 !important;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}
.scanner-textarea {
  width: 100%;
  height: 70px;
  padding: 10px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--clr-ink);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  resize: vertical;
  outline: none;
  transition: border-color var(--duration) var(--ease);
}
.scanner-textarea:focus {
  border-color: var(--clr-primary);
}
.scanner-controls {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin: 12px 0;
}

/* ---------- Data Textarea ---------- */
.data-textarea {
  width: 100%;
  height: 180px;
  padding: 10px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--clr-ink);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  resize: vertical;
  outline: none;
  transition: border-color var(--duration) var(--ease);
}
.data-textarea:focus {
  border-color: var(--clr-primary);
}

/* ---------- Tables ---------- */
.table-wrap {
  max-height: 280px;
  overflow: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--clr-border-subtle);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.data-table th, .data-table td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--clr-border-subtle);
}
.data-table th {
  font-size: 11px;
  font-weight: 700;
  color: var(--clr-mute);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: sticky;
  top: 0;
  background: var(--clr-surface);
  z-index: 1;
}
.data-table tr:hover td {
  background: var(--clr-surface-2);
}
.data-table .buy { color: var(--clr-buy); font-weight: 600; }
.data-table .sell { color: var(--clr-sell); font-weight: 600; }

/* ---------- Scanner Summary ---------- */
.scanner-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding: 12px 16px;
  background: var(--clr-surface-2);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
}
.scanner-summary-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.scanner-filter-tabs {
  display: flex;
  gap: 4px;
  background: var(--clr-surface);
  padding: 3px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--clr-border-subtle);
}
.filter-tab {
  background: transparent;
  border: none;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  color: var(--clr-mute);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}
.filter-tab:hover {
  color: var(--clr-ink);
}
.filter-tab.active {
  background: var(--clr-surface-2);
  color: var(--clr-ink);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.scanner-count {
  font-size: 14px;
  font-weight: 700;
  color: var(--clr-ink);
}
.scanner-badge {
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-full);
}
.scanner-badge.buy {
  background: var(--clr-buy-bg);
  color: var(--clr-buy);
}
.scanner-badge.sell {
  background: var(--clr-sell-bg);
  color: var(--clr-sell);
}
.iv-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(99, 102, 241, 0.12);
  color: var(--clr-primary);
  border-radius: var(--radius-full);
  border: 1px solid rgba(99, 102, 241, 0.25);
  font-family: 'JetBrains Mono', monospace;
}
.badge-latest {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 7px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.15);
  color: var(--clr-buy);
  border-radius: 4px;
  animation: pulse-badge 2s infinite ease-in-out;
}
@keyframes pulse-badge {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}
.ema-pills {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.ema-pill {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border-subtle);
  white-space: nowrap;
}
.ema-pill.fast { border-color: rgba(99, 102, 241, 0.4); color: var(--clr-primary); }
.ema-pill.mid { border-color: rgba(245, 158, 11, 0.4); color: #f59e0b; }
.ema-pill.slow { border-color: rgba(239, 68, 68, 0.4); color: #ef4444; }
.price-val {
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--clr-ink);
}
.sub-text {
  font-size: 11px;
  color: var(--clr-mute);
  margin-top: 2px;
}
.buy-row td:first-child { border-left: 3px solid var(--clr-buy); }
.sell-row td:first-child { border-left: 3px solid var(--clr-sell); }
.qchip-result {
  font-weight: 700;
  cursor: pointer;
}

/* ---------- Focus Styles ---------- */
*:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 2px;
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  .app-main { padding: 12px 12px 40px; }
  .card-body { padding: 14px; }
  .card-header { padding: 12px 14px; }
  .ema-controls { gap: 8px; }
  .live-controls { gap: 10px; }
  .topbar-brand { display: none; }
}