:root {
  --bg: #0d1117;
  --card: #161b22;
  --card-border: #21262d;
  --accent: #00ff88;
  --accent-dim: #00b866;
  --accent-contrast: #04120a;
  --text: #e6edf3;
  --text-dim: #8b949e;
  --red: #ff4d4d;
  --yellow: #e3b341;
  --blue: #58a6ff;
  --topbar-bg: rgba(13, 17, 23, 0.92);
  --surface-sunken: #0a0e14;
  --chart-line-color: #00ff88;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

:root[data-theme="light"] {
  --bg: #f5f7fa;
  --card: #ffffff;
  --card-border: #dfe3ea;
  --accent: #0066cc;
  --accent-dim: #004c99;
  --accent-contrast: #ffffff;
  --text: #1a1f2e;
  --text-dim: #5b6472;
  --topbar-bg: rgba(245, 247, 250, 0.92);
  --surface-sunken: #eef1f5;
  --chart-line-color: #0066cc;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  transition: background 0.2s ease, color 0.2s ease;
}

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

button, input {
  font-family: inherit;
}

/* ---------- Layout ---------- */

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px;
}

@media (min-width: 640px) {
  .container { padding: 20px; }
}

/* ---------- Header ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--topbar-bg);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--card-border);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  max-width: 1200px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.badge-testnet { background: rgba(227, 179, 65, 0.15); color: var(--yellow); border-color: rgba(227, 179, 65, 0.4); }
.badge-prod {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.8rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.nav-links {
  display: flex;
  gap: 6px;
}

.nav-links a {
  position: relative;
  color: #8892a4;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: -2px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  opacity: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-links a:hover::after {
  transform: scaleX(1);
  opacity: 1;
}

.nav-links a.active {
  color: var(--accent);
  background: var(--card);
  border-bottom-color: var(--accent);
}

.nav-links a.active::after {
  opacity: 0;
}

.logout-btn {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
}

.logout-btn:hover { border-color: var(--red); color: var(--red); }

/* ---------- KPI cards ---------- */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 16px 0;
}

@media (min-width: 720px) {
  .kpi-grid { grid-template-columns: repeat(4, 1fr); gap: 14px; }
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 14px;
}

.kpi-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.kpi-value {
  font-size: 1.5rem;
  font-weight: 700;
}

@media (min-width: 480px) {
  .kpi-value { font-size: 1.7rem; }
}

.kpi-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 4px;
}

.text-green { color: var(--accent); }
.text-red { color: var(--red); }
.text-yellow { color: var(--yellow); }
.text-blue { color: var(--blue); }
.text-dim { color: var(--text-dim); }

/* ---------- Reserve bar ---------- */

.section {
  margin: 20px 0;
}

.section-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.progress-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: var(--surface-sunken);
  border: 1px solid var(--card-border);
  overflow: hidden;
}

.progress-fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  border-radius: 999px;
  transition: width 0.4s ease;
}

/* ---------- Chart ---------- */

.chart-wrap {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 14px;
}

.chart-canvas-wrap {
  position: relative;
  height: 260px;
}

@media (min-width: 720px) {
  .chart-canvas-wrap { height: 320px; }
}

.range-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.range-btn {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-dim);
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.78rem;
}

.range-btn.active {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}

/* ---------- Courbes ---------- */

.courbes-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.symbol-buttons,
.timeframe-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.chart-btn {
  background: #1a1f2e;
  border: 1px solid #2d3548;
  color: #8892a4;
  padding: 8px 18px;
  border-radius: 50px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
}

.chart-btn:hover {
  transform: scale(1.06);
  border-color: #00ff88;
  color: #e6edf3;
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.3);
}

.chart-btn.active {
  background: linear-gradient(135deg, #00ff88, #00cc6a);
  color: #000;
  border-color: transparent;
  box-shadow: 0 0 15px rgba(0, 255, 136, 0.4);
}

.chart-btn.active:hover {
  transform: scale(1.06);
}

.timeframe-buttons .chart-btn {
  padding: 6px 14px;
  font-size: 0.76rem;
}

.candles-wrap {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 10px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.candles-chart {
  width: 100%;
  min-height: 400px;
}

@media (min-width: 720px) {
  .candles-chart { min-height: 600px; }
}

/* ---------- Pairs ---------- */

.pairs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

@media (min-width: 720px) {
  .pairs-grid { grid-template-columns: repeat(4, 1fr); gap: 14px; }
}

.pair-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pair-symbol {
  font-weight: 700;
  font-size: 1.05rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  width: fit-content;
}

.status-en_position { background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); }
.status-cooldown { background: rgba(88,166,255,0.12); color: var(--blue); }
.status-bloque { background: rgba(255,77,77,0.12); color: var(--red); }
.status-scan_actif { background: rgba(227,179,65,0.12); color: var(--yellow); }

.pair-detail {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ---------- Tables ---------- */

.table-wrap {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
  font-size: 0.85rem;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  white-space: nowrap;
}

th {
  color: var(--text-dim);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--card-border);
}

tbody tr {
  border-bottom: 1px solid var(--card-border);
}

tbody tr:last-child { border-bottom: none; }

.empty-state {
  padding: 24px 14px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ---------- Signal journal ---------- */

.journal {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  max-height: 420px;
  overflow-y: auto;
}

.journal-row {
  display: flex;
  gap: 10px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--card-border);
  font-size: 0.8rem;
  align-items: baseline;
}

.journal-row:last-child { border-bottom: none; }

.journal-time {
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  font-size: 0.75rem;
}

.journal-tag {
  flex-shrink: 0;
  font-weight: 700;
  font-size: 0.68rem;
  padding: 2px 7px;
  border-radius: 5px;
  text-transform: uppercase;
}

.tag-buy { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent); }
.tag-sell { background: rgba(255,77,77,0.15); color: var(--red); }
.tag-hold { background: rgba(139,148,158,0.15); color: var(--text-dim); }
.tag-risk { background: rgba(227,179,65,0.15); color: var(--yellow); }
.tag-milestone { background: rgba(88,166,255,0.15); color: var(--blue); }
.tag-warning { background: rgba(227,179,65,0.15); color: var(--yellow); }
.tag-error { background: rgba(255,77,77,0.15); color: var(--red); }
.tag-info { background: rgba(139,148,158,0.15); color: var(--text-dim); }

.journal-msg {
  color: var(--text);
  overflow-wrap: anywhere;
}

/* ---------- Cooldowns ---------- */

.cooldown-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 640px) {
  .cooldown-grid { grid-template-columns: repeat(2, 1fr); }
}

.cooldown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
}

/* ---------- Login page ---------- */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.login-brand {
  text-align: center;
  margin-bottom: 22px;
}

.login-brand .brand {
  justify-content: center;
  font-size: 1.6rem;
}

.login-sub {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  margin-top: 4px;
}

.field {
  margin-bottom: 14px;
}

.field label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  padding: 10px 12px;
  background: var(--surface-sunken);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.9rem;
}

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

.login-submit {
  width: 100%;
  padding: 11px;
  background: var(--accent);
  color: var(--accent-contrast);
  border: none;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  margin-top: 6px;
}

.login-submit:hover { background: var(--accent-dim); }
.login-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.login-error {
  background: rgba(255,77,77,0.1);
  border: 1px solid rgba(255,77,77,0.3);
  color: var(--red);
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 0.82rem;
  margin-bottom: 14px;
  display: none;
}

.login-error.visible { display: block; }

/* ---------- Placeholder / News ---------- */

.placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px;
  color: var(--text-dim);
}

.placeholder-icon {
  font-size: 2.4rem;
  margin-bottom: 14px;
}

.placeholder h2 {
  color: var(--text);
  margin: 0 0 8px;
}

footer.foot {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.72rem;
  padding: 24px 12px 40px;
}

/* ---------- Theme toggle ---------- */

.theme-toggle {
  position: relative;
  width: 80px;
  height: 36px;
  padding: 3px;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  background: linear-gradient(135deg, #2b2350, #4a3f7a);
  box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.35), 0 2px 6px rgba(0, 0, 0, 0.25);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.theme-toggle.light {
  background: linear-gradient(135deg, #ffb347, #ffcc33);
  box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.12), 0 2px 6px rgba(0, 0, 0, 0.15);
}

.theme-toggle-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #f5f7fa;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  transform: translateX(0);
  transition: transform 0.3s ease;
}

.theme-toggle.light .theme-toggle-thumb {
  transform: translateX(44px);
}

.theme-toggle-icon {
  font-size: 15px;
  line-height: 1;
}