/* ==========================================================================
   MARKET SIGNAL DESK — MODERN FINTECH DESIGN SYSTEM
   Supports: Dark Mode (Default) & Light Mode with seamless synchronization
   ========================================================================== */

/* DARK THEME (DEFAULT) */
:root {
  color-scheme: dark;
  --font-main: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --bg-app: #080c14;
  --bg-gradient: radial-gradient(circle at 10% 0%, rgba(16, 185, 129, 0.12) 0%, transparent 40%),
                 radial-gradient(circle at 90% 15%, rgba(56, 189, 248, 0.08) 0%, transparent 35%),
                 linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                 linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                 #080c14;
  --grid-size: 32px 32px;

  --panel-bg: rgba(15, 23, 42, 0.78);
  --panel-bg-solid: #0f172a;
  --panel-hover: rgba(30, 41, 59, 0.85);
  --panel-elevated: rgba(22, 33, 56, 0.9);
  --panel-border: rgba(255, 255, 255, 0.09);
  --panel-border-hover: rgba(16, 185, 129, 0.45);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-emerald: #10b981;
  --accent-emerald-dark: #059669;
  --accent-emerald-light: #34d399;
  --accent-emerald-subtle: rgba(16, 185, 129, 0.12);
  --accent-emerald-glow: rgba(16, 185, 129, 0.28);

  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-coral: #f43f5e;
  --accent-coral-subtle: rgba(244, 63, 94, 0.14);
  --accent-amber: #f59e0b;
  --accent-amber-subtle: rgba(245, 158, 11, 0.14);

  --input-bg: rgba(15, 23, 42, 0.95);
  --input-border: rgba(255, 255, 255, 0.14);
  --input-focus: #10b981;

  --code-bg: rgba(10, 16, 28, 0.92);
  --code-border: rgba(255, 255, 255, 0.09);

  --chart-grid: rgba(255, 255, 255, 0.05);
  --chart-tick: #64748b;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 12px 32px -4px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 64px -12px rgba(0, 0, 0, 0.65);
  --shadow-glow: 0 0 28px rgba(16, 185, 129, 0.25);
}

/* LIGHT THEME */
:root[data-theme="light"],
html.light-theme,
body.light-theme {
  color-scheme: light;

  --bg-app: #f1f5f9;
  --bg-gradient: radial-gradient(circle at 10% 0%, rgba(16, 185, 129, 0.08) 0%, transparent 40%),
                 radial-gradient(circle at 90% 15%, rgba(14, 165, 233, 0.06) 0%, transparent 35%),
                 linear-gradient(90deg, rgba(15, 23, 42, 0.035) 1px, transparent 1px),
                 linear-gradient(rgba(15, 23, 42, 0.035) 1px, transparent 1px),
                 #f1f5f9;

  --panel-bg: #ffffff;
  --panel-bg-solid: #ffffff;
  --panel-hover: #f8fafc;
  --panel-elevated: #ffffff;
  --panel-border: #cbd5e1;
  --panel-border-hover: rgba(16, 185, 129, 0.6);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --accent-emerald: #059669;
  --accent-emerald-dark: #047857;
  --accent-emerald-light: #10b981;
  --accent-emerald-subtle: rgba(5, 150, 105, 0.1);
  --accent-emerald-glow: rgba(5, 150, 105, 0.2);

  --accent-cyan: #0284c7;
  --accent-blue: #2563eb;
  --accent-coral: #e11d48;
  --accent-coral-subtle: rgba(225, 29, 72, 0.1);
  --accent-amber: #d97706;
  --accent-amber-subtle: rgba(217, 119, 6, 0.1);

  --input-bg: #ffffff;
  --input-border: #cbd5e1;
  --input-focus: #059669;

  --code-bg: #f8fafc;
  --code-border: #e2e8f0;

  --chart-grid: rgba(15, 23, 42, 0.06);
  --chart-tick: #64748b;

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 30px -6px rgba(15, 23, 42, 0.09);
  --shadow-lg: 0 24px 50px -12px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 24px rgba(5, 150, 105, 0.18);
}

/* Base Styles */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text-primary);
  background-color: var(--bg-app);
  background-image: var(--bg-gradient);
  background-size: auto, auto, var(--grid-size), var(--grid-size), auto;
  font-family: var(--font-main);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* Light Mode Overrides for Absolute Certainty */
body.light-theme {
  background-color: #f1f5f9 !important;
  color: #0f172a !important;
}

body.light-theme h1,
body.light-theme h2,
body.light-theme h3 {
  color: #0f172a !important;
}

body.light-theme .panel,
body.light-theme .controls,
body.light-theme .metric,
body.light-theme .identity {
  background-color: #ffffff !important;
  border-color: #cbd5e1 !important;
  color: #0f172a !important;
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.07) !important;
}

body.light-theme select {
  background-color: #ffffff !important;
  border-color: #cbd5e1 !important;
  color: #0f172a !important;
}

body.light-theme select option {
  background-color: #ffffff !important;
  color: #0f172a !important;
}

body.light-theme .selected-stock-logo-box,
body.light-theme .company-logo-avatar {
  background-color: #f8fafc !important;
  border-color: #cbd5e1 !important;
}

body.light-theme .theme-toggle-btn,
body.light-theme .api-link {
  background-color: #ffffff !important;
  border-color: #cbd5e1 !important;
  color: #0f172a !important;
}

body.light-theme .sector-badge,
body.light-theme .meta-chip,
body.light-theme .param-chip {
  background-color: #f1f5f9 !important;
  border-color: #e2e8f0 !important;
  color: #475569 !important;
}

body.light-theme .equation-box {
  background-color: #f8fafc !important;
  border-color: #e2e8f0 !important;
}

body.light-theme .equation {
  color: #059669 !important;
}

body.light-theme .table-panel th {
  color: #64748b !important;
  border-color: #e2e8f0 !important;
}

body.light-theme .table-panel td {
  color: #0f172a !important;
  border-color: #f1f5f9 !important;
}

body.light-theme tbody tr:hover td {
  background-color: #f8fafc !important;
}

.shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 36px 32px 64px;
}

/* ==========================================================================
   TOPBAR & HEADER
   ========================================================================== */

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}

.brand-wrapper {
  max-width: 680px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px 0;
  color: var(--accent-emerald);
  font: 600 0.72rem var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-icon-svg {
  width: 15px;
  height: 15px;
  stroke: var(--accent-emerald);
}

.dot {
  position: relative;
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
}

.dot.live {
  background: var(--accent-emerald);
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-ring 2s cubic-bezier(0.45, 0, 0.2, 1) infinite;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  font-weight: 700;
  color: var(--text-primary);
}

.intro {
  margin: 12px 0 0 0;
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.55;
  max-width: 580px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 4px;
}

.environment-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 100px;
  background: var(--accent-emerald-subtle);
  border: 1px solid var(--accent-emerald-glow);
  color: var(--accent-emerald);
  font: 600 0.68rem var(--font-mono);
  letter-spacing: 0.08em;
}

.env-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
}

/* THEME TOGGLE BUTTON */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  background: var(--panel-bg);
  color: var(--text-primary);
  font: 600 0.82rem var(--font-mono);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  user-select: none;
}

.theme-toggle-btn:hover {
  background: var(--panel-hover);
  border-color: var(--accent-emerald);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.theme-toggle-btn:active {
  transform: scale(0.97);
}

.theme-icon-slot {
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2.2;
  fill: none;
  transition: transform 0.3s ease;
}

.theme-toggle-btn:hover .theme-svg {
  transform: rotate(15deg);
}

/* Sun icon styling in dark mode */
.theme-svg-sun {
  stroke: #fbbf24;
  color: #fbbf24;
}

/* Moon icon styling in light mode */
.theme-svg-moon {
  stroke: #4f46e5;
  color: #4f46e5;
}

.api-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 42px;
  padding: 0 15px;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  background: var(--panel-bg);
  color: var(--text-primary);
  text-decoration: none;
  font: 500 0.78rem var(--font-mono);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.api-link:hover {
  background: var(--panel-hover);
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
  transform: translateY(-1px);
}

.api-link svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
}

/* ==========================================================================
   CONTROLS TOOLBAR & SELECTORS
   ========================================================================== */

.controls {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
  padding: 22px;
  margin-bottom: 8px;
  border-radius: 16px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.control-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1 1 180px;
}

.symbol-field {
  flex: 2.2 1 340px;
}

.control-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font: 600 0.68rem var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.control-label svg {
  width: 13px;
  height: 13px;
  stroke: var(--accent-emerald);
}

/* Stock Logo & Select Group */
.symbol-select-container {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.selected-stock-logo-box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.selected-stock-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

/* Custom Select Styling */
.select-wrapper {
  position: relative;
  width: 100%;
}

select {
  width: 100%;
  min-height: 48px;
  padding: 0 38px 0 14px;
  border-radius: 10px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text-primary);
  font: 500 0.92rem var(--font-main);
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

select:hover {
  border-color: var(--accent-emerald);
}

select:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px var(--accent-emerald-subtle);
}

select option {
  background: var(--panel-bg-solid);
  color: var(--text-primary);
  padding: 8px 12px;
}

.select-chevron {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-muted);
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

/* Refresh Toggle */
.refresh-toggle-wrapper {
  display: flex;
  align-items: center;
  align-self: flex-end;
  min-height: 48px;
  padding-bottom: 2px;
}

.refresh-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 500 0.84rem var(--font-main);
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  transition: color 0.2s ease;
}

.refresh-label:hover {
  color: var(--text-primary);
}

.refresh-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-emerald);
  cursor: pointer;
}

.refresh-label svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
}

/* ==========================================================================
   ANALYZE BUTTON
   ========================================================================== */

.run-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 28px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-emerald) 0%, var(--accent-emerald-dark) 100%);
  color: #ffffff;
  font: 600 0.95rem var(--font-main);
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 8px 24px -4px var(--accent-emerald-glow);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.run-button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s ease;
}

.run-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -4px var(--accent-emerald-glow), var(--shadow-glow);
  filter: brightness(1.06);
}

.run-button:hover::before {
  left: 100%;
}

.run-button:active {
  transform: translateY(0);
}

.run-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.run-button svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2.2;
}

.run-button .arrow-svg {
  transition: transform 0.2s ease;
}

.run-button:hover .arrow-svg {
  transform: translateX(4px);
}

/* Status Banner */
.status {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 24px;
  margin: 10px 0 24px;
  color: var(--text-muted);
  font: 500 0.78rem var(--font-mono);
}

.status.error {
  color: var(--accent-coral);
}

.status.loading::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--accent-emerald);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

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

/* ==========================================================================
   SELECTED INSTRUMENT CARD / IDENTITY
   ========================================================================== */

.identity {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 24px;
  margin-bottom: 16px;
  border-radius: 16px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.instrument-left {
  display: flex;
  align-items: center;
  gap: 18px;
}

.company-logo-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 14px;
  background: var(--panel-elevated);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.company-logo-avatar img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.instrument-meta {
  display: flex;
  flex-direction: column;
}

.instrument-kicker {
  font: 600 0.68rem var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.instrument-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

h2 {
  margin: 0;
  font-size: 1.85rem;
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--text-primary);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 8px;
  font: 600 0.72rem var(--font-mono);
  line-height: 1;
}

.symbol-badge {
  background: var(--accent-emerald-subtle);
  color: var(--accent-emerald);
  border: 1px solid var(--accent-emerald-glow);
}

.sector-badge {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  border: 1px solid var(--panel-border);
}

.last-price {
  text-align: right;
}

.last-price span {
  display: block;
  color: var(--text-muted);
  font: 500 0.72rem var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.last-price strong {
  display: block;
  margin-top: 2px;
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--text-primary);
}

/* ==========================================================================
   METRICS GRID
   ========================================================================== */

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.metric {
  position: relative;
  min-height: 140px;
  padding: 20px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.metric:hover {
  transform: translateY(-2px);
  border-color: var(--panel-border-hover);
  box-shadow: var(--shadow-md);
}

.metric-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metric-label-group {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--text-secondary);
  font: 600 0.72rem var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.metric-label-group svg {
  width: 14px;
  height: 14px;
  stroke: var(--accent-emerald);
}

.metric-mark {
  color: var(--text-muted);
  font: 500 0.68rem var(--font-mono);
}

.metric strong {
  display: block;
  margin: 10px 0 4px;
  font-size: 2rem;
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--text-primary);
}

.metric small {
  color: var(--text-secondary);
  font-size: 0.78rem;
  line-height: 1.4;
}

/* Signal Cards */
.signal-card {
  border-top: 3px solid var(--accent-emerald);
}
.signal-card strong {
  color: var(--accent-emerald);
}

.signal-card.avoid,
.signal-card.sell {
  border-top-color: var(--accent-coral);
}
.signal-card.avoid strong,
.signal-card.sell strong {
  color: var(--accent-coral);
}

.signal-card.hold {
  border-top-color: var(--accent-amber);
}
.signal-card.hold strong {
  color: var(--accent-amber);
}

/* Score Visual Meter Track */
.score-meter-track {
  width: 100%;
  height: 6px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.08);
  margin: 8px 0 6px;
  overflow: hidden;
}

.score-meter-fill {
  height: 100%;
  width: 0%;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--accent-emerald-light), var(--accent-emerald));
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
}

/* Forecast Return Pill */
.return-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 6px;
  font: 600 0.72rem var(--font-mono);
  margin-top: 4px;
}

.return-pill.positive {
  background: var(--accent-emerald-subtle);
  color: var(--accent-emerald);
}

.return-pill.negative {
  background: var(--accent-coral-subtle);
  color: var(--accent-coral);
}

/* ==========================================================================
   WORKSPACE & CHART PANEL
   ========================================================================== */

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(320px, 0.9fr);
  gap: 16px;
  margin-bottom: 16px;
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.panel:hover {
  border-color: var(--panel-border-hover);
}

.chart-panel {
  min-width: 0;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.panel-heading h3 {
  margin: 4px 0 0 0;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  font-weight: 600;
  color: var(--text-primary);
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  color: var(--text-secondary);
  font: 500 0.72rem var(--font-mono);
}

.chart-wrap {
  position: relative;
  height: 380px;
  width: 100%;
}

.legend {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 18px;
  color: var(--text-secondary);
  font: 500 0.75rem var(--font-mono);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.legend-line {
  display: inline-block;
  width: 22px;
  height: 3px;
  border-radius: 2px;
  background: var(--accent-emerald);
}

.legend-dash {
  display: inline-block;
  width: 22px;
  height: 3px;
  border-radius: 2px;
  background: repeating-linear-gradient(90deg, var(--accent-coral) 0, var(--accent-coral) 6px, transparent 6px, transparent 10px);
}

/* Equation & Model Readout Panel */
.equation-panel {
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.equation-box {
  margin: 16px 0;
  border: 1px solid var(--code-border);
  border-radius: 12px;
  background: var(--code-bg);
  overflow: hidden;
}

.equation-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--code-border);
  font: 600 0.66rem var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.equation {
  padding: 16px 14px;
  overflow-x: auto;
  color: var(--accent-emerald);
  font: 600 1.05rem var(--font-mono);
  letter-spacing: 0.02em;
}

.explanation {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 0 0 16px 0;
}

.reason-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--panel-border);
  margin-top: auto;
}

.reason {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--panel-border);
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.45;
}

.reason-icon {
  width: 14px;
  height: 14px;
  stroke: var(--accent-emerald);
  flex-shrink: 0;
  margin-top: 2px;
}

.parameters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.param-chip {
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  color: var(--text-muted);
  font: 500 0.72rem var(--font-mono);
}

/* ==========================================================================
   PREDICTION LOG TABLE PANEL
   ========================================================================== */

.table-panel {
  padding: 24px;
  margin-bottom: 24px;
}

.table-scroll {
  overflow-x: auto;
  margin-top: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-emerald) transparent;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
  text-align: left;
}

th {
  color: var(--text-muted);
  font: 600 0.7rem var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 10px 14px;
  border-bottom: 2px solid var(--panel-border);
}

td {
  padding: 14px;
  border-top: 1px solid var(--panel-border);
  font-size: 0.85rem;
  color: var(--text-primary);
  transition: background 0.15s ease;
}

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

.direction-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 6px;
  font: 700 0.72rem var(--font-mono);
}

.direction-badge.up {
  background: var(--accent-emerald-subtle);
  color: var(--accent-emerald);
}

.direction-badge.down {
  background: var(--accent-coral-subtle);
  color: var(--accent-coral);
}

.result-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 6px;
  font: 600 0.72rem var(--font-mono);
}

.result-badge.correct {
  background: var(--accent-emerald-subtle);
  color: var(--accent-emerald);
}

.result-badge.miss {
  background: var(--accent-coral-subtle);
  color: var(--accent-coral);
}

.result-badge.pending {
  background: var(--accent-amber-subtle);
  color: var(--accent-amber);
}

.empty {
  color: var(--text-muted);
  text-align: center;
  padding: 36px 0;
  font-family: var(--font-mono);
}

footer {
  margin-top: 36px;
  text-align: center;
  color: var(--text-muted);
  font: 500 0.74rem var(--font-mono);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */

@media (max-width: 980px) {
  .shell {
    padding: 24px 18px 48px;
  }
  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .workspace {
    grid-template-columns: 1fr;
  }
  .chart-wrap {
    height: 320px;
  }
}

@media (max-width: 680px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
  .topbar-actions {
    width: 100%;
    justify-content: space-between;
  }
  .controls {
    flex-direction: column;
    align-items: stretch;
  }
  .control-field {
    flex: 1 1 100%;
  }
  .run-button {
    width: 100%;
  }
  .identity {
    flex-direction: column;
    align-items: flex-start;
  }
  .last-price {
    text-align: left;
  }
  .metrics {
    grid-template-columns: 1fr;
  }
}