/* ─────────────────────────────────────────────
   DESIGN TOKENS
───────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-primary:    #070c17;
  --bg-secondary:  #0d1525;
  --surface:       #111c30;
  --surface-hover: #162135;
  --surface-2:     rgba(255, 255, 255, 0.035);

  /* Borders */
  --border:        #1e2d47;
  --border-subtle: rgba(255, 255, 255, 0.05);

  /* Accents */
  --buy:           #00d4a0;
  --buy-dim:       rgba(0, 212, 160, 0.12);
  --buy-glow:      rgba(0, 212, 160, 0.25);
  --sell:          #ff4d6d;
  --sell-dim:      rgba(255, 77, 109, 0.12);
  --sell-glow:     rgba(255, 77, 109, 0.22);
  --accent:        #4f9eff;
  --accent-dim:    rgba(79, 158, 255, 0.14);

  /* Text */
  --text-primary:   #e8f0fe;
  --text-secondary: #8a9abf;
  --text-muted:     #4a5a7a;

  /* Typography */
  --font-sans: "Inter", "Geist", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Geist Mono", "Fira Code", monospace;

  /* Radii */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --radius-xl:  18px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-glow-buy:  0 0 20px rgba(0, 212, 160, 0.18);
  --shadow-glow-sell: 0 0 20px rgba(255, 77, 109, 0.16);

  /* Misc */
  --transition-fast: 160ms cubic-bezier(0.2, 0.85, 0.22, 1);
  --transition-mid:  260ms cubic-bezier(0.2, 0.85, 0.22, 1);
}

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

html {
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(79, 158, 255, 0.07) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 90% 80%, rgba(0, 212, 160, 0.04) 0%, transparent 50%);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ─────────────────────────────────────────────
   TYPOGRAPHY UTILITIES
───────────────────────────────────────────── */
.label-caps {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ─────────────────────────────────────────────
   APP SHELL
───────────────────────────────────────────── */
.tracker-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.2rem clamp(1rem, 3vw, 2.5rem) 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ─────────────────────────────────────────────
   UPDATE INDICATOR
───────────────────────────────────────────── */
.update-indicator {
  position: fixed;
  top: 1rem;
  right: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem 0.4rem 0.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: rgba(7, 12, 23, 0.88);
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 500;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 50;
  transition: border-color var(--transition-mid), box-shadow var(--transition-mid);
  letter-spacing: 0.01em;
}

.indicator-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.update-indicator[data-state="loading"] {
  border-color: rgba(0, 212, 160, 0.24);
  box-shadow: inset 0 0 0 1px rgba(0, 212, 160, 0.08);
}
.update-indicator[data-state="loading"] .indicator-dot {
  background: transparent;
  border: 1.5px solid rgba(0, 212, 160, 0.2);
  border-top-color: var(--buy);
  animation: spin 0.9s linear infinite;
}

.update-indicator[data-state="success"] {
  border-color: rgba(0, 212, 160, 0.35);
  color: var(--text-secondary);
  box-shadow: inset 0 0 0 1px rgba(0, 212, 160, 0.12);
}
.update-indicator[data-state="success"] .indicator-dot {
  background: var(--buy);
  animation: pulse-dot 1.6s ease-out;
}

.update-indicator[data-state="error"] {
  border-color: rgba(255, 77, 109, 0.35);
}
.update-indicator[data-state="error"] .indicator-dot {
  background: var(--sell);
}

/* ─────────────────────────────────────────────
   HEADER
───────────────────────────────────────────── */
.tracker-header {
  padding-top: 0.1rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1rem;
}

.header-brand {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.market-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.market-tag-live {
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--buy);
  box-shadow: 0 0 0 0 var(--buy-glow);
  animation: live-pulse 2.2s ease-in-out infinite;
}

.header-title {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.1;
}

.header-intro {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

.legend {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
}

.legend-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
}

.legend-chip-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
}

.legend-chip.buy {
  background: var(--buy-dim);
  color: var(--buy);
  border-color: rgba(0, 212, 160, 0.2);
}
.legend-chip.buy .legend-chip-dot { background: var(--buy); }

.legend-chip.sell {
  background: var(--sell-dim);
  color: var(--sell);
  border-color: rgba(255, 77, 109, 0.2);
}
.legend-chip.sell .legend-chip-dot { background: var(--sell); }

/* ─────────────────────────────────────────────
   STATS RIBBON
───────────────────────────────────────────── */
.stats-ribbon {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.stat-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: border-color var(--transition-fast);
}

.stat-box:hover {
  border-color: rgba(79, 158, 255, 0.25);
}

.stat-label {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.stat-value.buy { color: var(--buy); }
.stat-value.sell { color: var(--sell); }
.stat-value.accent { color: var(--accent); }

/* ─────────────────────────────────────────────
   TRACKER GRID (columns)
───────────────────────────────────────────── */
.tracker-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* ─────────────────────────────────────────────
   COLUMN
───────────────────────────────────────────── */
.column {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.1rem 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.column-header-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.column-header-bar {
  width: 3px;
  height: 1.1rem;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}

.column-buy .column-header-bar   { background: var(--buy); box-shadow: var(--shadow-glow-buy); }
.column-sell .column-header-bar  { background: var(--sell); box-shadow: var(--shadow-glow-sell); }

.column-header h2 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.column-count {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
}

.column-buy  .column-count { background: var(--buy-dim);  color: var(--buy); }
.column-sell .column-count { background: var(--sell-dim); color: var(--sell); }

.stock-list {
  list-style: none;
  padding: 0.6rem;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ─────────────────────────────────────────────
   STOCK CARD
───────────────────────────────────────────── */
.stock-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  --card-lift: 0px;
  transition: transform 520ms cubic-bezier(0.18, 0.92, 0.18, 1), border-color var(--transition-fast), box-shadow var(--transition-fast), opacity 320ms ease;
  will-change: transform;
  cursor: default;
  transform: translateY(var(--card-lift));
}

.stock-card:hover {
  --card-lift: -1px;
  border-color: var(--border);
  box-shadow: var(--shadow-card);
}

.column-buy  .stock-card:hover { border-color: rgba(0, 212, 160, 0.2);  box-shadow: var(--shadow-glow-buy); }
.column-sell .stock-card:hover { border-color: rgba(255, 77, 109, 0.18); box-shadow: var(--shadow-glow-sell); }

.stock-card.is-new {
  animation: cardEnter 180ms ease-out both;
}

/* Card top row */
.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.card-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex: 1;
  min-width: 0;
}

.card-symbol {
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.card-name {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Price badge */
.card-price-block {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.1rem;
  flex-shrink: 0;
}

.card-price {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.card-price-label {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Momentum bar */
.momentum-bar-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.momentum-bar-labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.momentum-bar-value {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
}

.momentum-bar-value.buy  { color: var(--buy); }
.momentum-bar-value.sell { color: var(--sell); }

.momentum-bar-track {
  height: 5px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  overflow: hidden;
  display: flex;
  gap: 1px;
}

.momentum-bar-fill-buy {
  height: 100%;
  border-radius: var(--radius-pill) 0 0 var(--radius-pill);
  background: var(--buy);
  opacity: 0.9;
  transition: width var(--transition-mid);
}

.momentum-bar-fill-sell {
  height: 100%;
  border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
  background: var(--sell);
  opacity: 0.9;
  transition: width var(--transition-mid);
}

/* Card bottom metadata row */
.card-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.18rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.68rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.meta-chip-label {
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.meta-chip-value {
  color: var(--text-secondary);
  font-weight: 600;
}

/* Momentum badge (big) */
.momentum-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.22rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.momentum-badge.buy {
  background: var(--buy-dim);
  color: var(--buy);
  border: 1px solid rgba(0, 212, 160, 0.18);
}

.momentum-badge.sell {
  background: var(--sell-dim);
  color: var(--sell);
  border: 1px solid rgba(255, 77, 109, 0.18);
}

/* ─────────────────────────────────────────────
   EMPTY STATE
───────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem 1rem;
  color: var(--text-muted);
  font-size: 0.82rem;
  text-align: center;
}

/* ─────────────────────────────────────────────
   STATUS BAR (bottom)
───────────────────────────────────────────── */
.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0.25rem;
  gap: 1rem;
  flex-wrap: wrap;
}

#status {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

#status[data-tone="positive"] { color: var(--buy); }
#status[data-tone="warning"]  { color: #f5a623; }
#status[data-tone="info"]     { color: var(--accent); }

.status-hint {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

.status-hint-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.settings-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid rgba(79, 158, 255, 0.28);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.settings-link:hover {
  border-color: rgba(79, 158, 255, 0.56);
  background: rgba(79, 158, 255, 0.08);
  color: #9cc6ff;
}

/* ─────────────────────────────────────────────
   ANIMATIONS
───────────────────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0 rgba(0, 212, 160, 0.18); }
  100% { box-shadow: 0 0 0 6px rgba(0, 212, 160, 0); }
}

@keyframes live-pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--buy-glow); }
  50%       { box-shadow: 0 0 0 5px rgba(0, 212, 160, 0); }
}

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

/* ─────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────── */
@media (max-width: 900px) {
  .stats-ribbon {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .tracker-shell {
    padding: 1rem 0.5rem 2rem;
    gap: 0.9rem;
  }

  /* Kolonlar her zaman yan yana: sol=alış, sağ=satış */
  .tracker-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

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

  .stats-ribbon {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.4rem;
  }

  .stat-box {
    padding: 0.55rem 0.65rem;
  }

  .stat-value {
    font-size: 0.88rem;
  }

  .column-header {
    padding: 0.65rem 0.7rem 0.55rem;
  }

  .column-header h2 {
    font-size: 0.78rem;
  }

  .stock-list {
    padding: 0.4rem;
    gap: 0.4rem;
  }

  .stock-card {
    padding: 0.65rem 0.6rem;
    gap: 0.5rem;
  }

  .card-symbol {
    font-size: 0.82rem;
  }

  .card-name {
    font-size: 0.65rem;
  }

  .card-price {
    font-size: 0.82rem;
  }

  .card-price-label {
    font-size: 0.55rem;
  }

  .momentum-bar-value {
    font-size: 0.7rem;
  }

  .meta-chip {
    font-size: 0.6rem;
    padding: 0.14rem 0.4rem;
  }

  .momentum-badge {
    font-size: 0.65rem;
    padding: 0.18rem 0.45rem;
  }

  .update-indicator {
    top: 0.5rem;
    right: 0.5rem;
    font-size: 0.65rem;
    padding: 0.32rem 0.65rem 0.32rem 0.5rem;
  }
}