/* ==========================================================================
   SynapseTrader Public Dashboard Styles
   Dense, clean, trading-terminal aesthetics with CSS variables
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* Dark mode defaults */
  --bg-app: #0b0e14;
  --bg-card: #131722;
  --bg-card-hover: #181d2a;
  --bg-subtle: #1a2030;
  --border-color: #222938;
  --border-subtle: #19202f;

  --text-main: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --color-pos: #10b981;
  --color-pos-bg: rgba(16, 185, 129, 0.12);
  --color-neg: #f43f5e;
  --color-neg-bg: rgba(244, 63, 94, 0.12);
  --color-neutral: #94a3b8;

  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.14);
  --color-info: #38bdf8;
  --color-info-bg: rgba(56, 189, 248, 0.12);

  --badge-paper: #818cf8;
  --badge-paper-bg: rgba(99, 102, 241, 0.18);
  --badge-testnet: #fbbf24;
  --badge-testnet-bg: rgba(245, 158, 11, 0.18);
  --badge-live: #34d399;
  --badge-live-bg: rgba(16, 185, 129, 0.18);

  --chart-line: #38bdf8;
  --chart-gradient-top: rgba(56, 189, 248, 0.28);
  --chart-gradient-bottom: rgba(56, 189, 248, 0.0);
  --chart-zero-line: #334155;
  --chart-grid: #1e293b;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-app: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --bg-subtle: #f1f5f9;
    --border-color: #e2e8f0;
    --border-subtle: #f1f5f9;

    --text-main: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --color-pos: #059669;
    --color-pos-bg: rgba(5, 150, 105, 0.1);
    --color-neg: #e11d48;
    --color-neg-bg: rgba(225, 29, 72, 0.1);
    --color-neutral: #64748b;

    --color-warning: #d97706;
    --color-warning-bg: rgba(217, 119, 6, 0.1);
    --color-info: #0284c7;
    --color-info-bg: rgba(2, 132, 199, 0.1);

    --badge-paper: #4f46e5;
    --badge-paper-bg: rgba(79, 70, 229, 0.1);
    --badge-testnet: #d97706;
    --badge-testnet-bg: rgba(217, 119, 6, 0.1);
    --badge-live: #059669;
    --badge-live-bg: rgba(5, 150, 105, 0.1);

    --chart-line: #0284c7;
    --chart-gradient-top: rgba(2, 132, 199, 0.22);
    --chart-gradient-bottom: rgba(2, 132, 199, 0.0);
    --chart-zero-line: #cbd5e1;
    --chart-grid: #f1f5f9;
  }
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.45;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-width: 320px;
}

/* Layout Container */
.app-layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

@media (min-width: 768px) {
  .app-layout {
    padding: 24px;
    gap: 24px;
  }
}

/* Header */
.header {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.brand-subtitle {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.brand-title-wrap {
  display: flex;
  flex-direction: column;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 4px;
}

.badge-paper {
  color: var(--badge-paper);
  background-color: var(--badge-paper-bg);
  border: 1px solid var(--badge-paper);
}

.badge-testnet {
  color: var(--badge-testnet);
  background-color: var(--badge-testnet-bg);
  border: 1px solid var(--badge-testnet);
}

.badge-live {
  color: var(--badge-live);
  background-color: var(--badge-live-bg);
  border: 1px solid var(--badge-live);
}

.demo-chip {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--color-warning);
}

/* Honesty Disclaimer Banner */
.honesty-banner {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background-color: var(--color-warning-bg);
  border: 1px solid var(--color-warning);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  line-height: 1.4;
}

.warning-icon {
  font-size: 1rem;
  flex-shrink: 0;
}

/* Chips Bar */
.chips-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
}

.chip-label {
  color: var(--text-muted);
}

.chip-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-main);
}

.chip-warning {
  background-color: var(--color-warning-bg);
  border-color: var(--color-warning);
  color: var(--color-warning);
  font-weight: 600;
}

/* KPI Tiles Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

@media (min-width: 640px) {
  .kpi-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .kpi-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
  }
}

.kpi-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background-color 0.15s ease;
}

.kpi-card:hover {
  background-color: var(--bg-card-hover);
}

.kpi-title {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.kpi-val {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
}

.kpi-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Sections */
.section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.section-meta {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.formula-caption {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: -4px;
}

/* Cards */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

/* Chart Container */
.chart-card {
  padding: 16px;
}

.chart-container {
  width: 100%;
  height: 220px;
  position: relative;
  overflow: hidden;
}

.chart-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.chart-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Tables */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.8rem;
  white-space: nowrap;
}

.data-table th {
  background-color: var(--bg-subtle);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.data-table tbody tr:hover {
  background-color: var(--bg-card-hover);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.th-rank {
  width: 36px;
  text-align: center;
}

.td-rank {
  text-align: center;
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-weight: 600;
}

/* Table Badges & Status */
.tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.tag-active {
  background-color: var(--color-pos-bg);
  color: var(--color-pos);
}

.tag-gated {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
}

.tag-disabled {
  background-color: rgba(100, 116, 139, 0.15);
  color: var(--text-muted);
}

.tag-verified {
  background-color: var(--color-info-bg);
  color: var(--color-info);
}

.tag-diverges {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
}

.tag-unmeasured {
  background-color: rgba(100, 116, 139, 0.15);
  color: var(--text-muted);
}

.tag-long {
  background-color: var(--color-pos-bg);
  color: var(--color-pos);
}

.tag-short {
  background-color: var(--color-neg-bg);
  color: var(--color-neg);
}

/* Text alignment & helpers */
.text-right {
  text-align: right;
}

.text-center {
  text-align: center;
}

.text-mono {
  font-family: var(--font-mono);
}

.text-pos {
  color: var(--color-pos) !important;
}

.text-neg {
  color: var(--color-neg) !important;
}

.text-warning {
  color: var(--color-warning) !important;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.hidden {
  display: none !important;
}

/* Footer */
.footer {
  margin-top: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}