/* ── Design tokens ───────────────────────────────────────────────────────────── */
:root, [data-theme="dark"] {
  --bg:        #1A1A1F;
  --surface:   #222228;
  --surface2:  #2A2A32;
  --border:    rgba(255,255,255,0.07);
  --border-md: rgba(255,255,255,0.12);
  --accent:    #F7931A;
  --green:     #22C55E;
  --red:       #EF4444;
  --text:      #F4F4F5;
  --text-2:    #A1A1AA;
  --text-3:    #71717A;
  --text-inv:  #0A0A0B;
  --font:      ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

[data-theme="light"] {
  --bg:        #F5F5F7;
  --surface:   #FFFFFF;
  --surface2:  rgba(0,0,0,0.04);
  --border:    rgba(0,0,0,0.06);
  --border-md: rgba(0,0,0,0.10);
  --accent:    #F7931A;
  --green:     #16A34A;
  --red:       #DC2626;
  --text:      #18181B;
  --text-2:    #52525B;
  --text-3:    #71717A;
  --text-inv:  #FFFFFF;
  --font:      ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

[data-theme="midnight"] {
  --bg:        #060D18;
  --surface:   #0C1829;
  --surface2:  #132030;
  --border:    rgba(255,255,255,0.08);
  --border-md: rgba(255,255,255,0.15);
  --accent:    #00C8FF;
  --green:     #22C55E;
  --red:       #EF4444;
  --text:      #D0E8FF;
  --text-2:    #5A7A9F;
  --text-3:    #3D5A7A;
  --text-inv:  #060D18;
  --font:      ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

/* ── Reset ───────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background 0.2s, color 0.2s;
  overflow-x: hidden;
}

/* ── App shell ───────────────────────────────────────────────────────────────── */
#app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────────────────────────────── */
#sidebar {
  display: none;           /* hidden on mobile */
  width: 170px;
  flex-shrink: 0;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--bg);
  height: 100vh;
  overflow: hidden;
}

@media (min-width: 1024px) {
  #sidebar { display: flex; }
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
}

.sidebar-brand svg { width: 18px; height: 18px; flex-shrink: 0; }

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  border: none;
  background: none;
  color: var(--text-2);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  text-align: left;
  width: 100%;
}

.nav-item svg { width: 16px; height: 16px; flex-shrink: 0; }

.nav-item:hover {
  background: var(--surface2);
  color: var(--text);
}

.nav-item.active {
  background: rgba(247,147,26,0.12);
  color: var(--accent);
}

[data-theme="midnight"] .nav-item.active {
  background: rgba(0,200,255,0.12);
}

.sidebar-footer {
  margin-top: auto;
  padding: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-controls {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-select-row {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-3);
  font-size: 11px;
}

.sidebar-select-row svg { width: 12px; height: 12px; flex-shrink: 0; }

.sidebar-select-row select {
  flex: 1;
  min-width: 0;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--font);
  font-size: 11px;
  padding: 3px 6px;
  cursor: pointer;
  outline: none;
}

.sidebar-select-row select:hover { border-color: var(--border-md); }

/* ── Main area ───────────────────────────────────────────────────────────────── */
#main-area {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ── Mobile top bar ──────────────────────────────────────────────────────────── */
.mobile-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

@media (min-width: 1024px) { .mobile-topbar { display: none; } }

.mobile-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
}

.mobile-brand svg { width: 18px; height: 18px; }

.mobile-topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Desktop top bar ─────────────────────────────────────────────────────────── */
#topbar {
  display: none;
  height: 44px;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

@media (min-width: 1024px) { #topbar { display: flex; } }

#topbar-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.btc-price-widget {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  font-size: 11px;
}

.btc-price-widget .price-label { color: var(--text-3); }
.btc-price-widget .price-val { font-size: 12px; font-weight: 500; color: var(--text); font-variant-numeric: tabular-nums; }
#btc-price { font-size: 14px; font-weight: 600; color: var(--accent); }

/* ── Sub-tabs (Home page tabs) ───────────────────────────────────────────────── */
.sub-tabs {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 1024px) { .sub-tabs { padding: 0 24px; } }

/* mobile pill style */
@media (max-width: 1023px) {
  .sub-tabs { padding: 10px 16px; border-bottom: none; gap: 6px; }
  .sub-tab {
    padding: 6px 12px !important;
    border-radius: 8px !important;
    border-bottom: none !important;
  }
  .sub-tab.active {
    background: rgba(247,147,26,0.12) !important;
    color: var(--accent) !important;
  }
  .sub-tab.active .sub-tab-indicator { display: none !important; }
}

.sub-tab {
  position: relative;
  padding: 10px 12px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-2);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s;
}

.sub-tab:hover { color: var(--text); }
.sub-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ── Pages ───────────────────────────────────────────────────────────────────── */
.page { display: none; }
.page.active { display: block; }

/* ── Main scrollable content area ───────────────────────────────────────────── */
#main-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  min-height: 0;
}

.page-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 1024px) {
  .page-body { padding: 24px; }
}

/* ── Cards ───────────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  gap: 8px;
  flex-wrap: wrap;
}

.card-title {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
}

/* ── Badges ──────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 500;
  border: 1px solid;
  white-space: nowrap;
}

.badge-bull  { color: #22C55E; background: rgba(34,197,94,0.10); border-color: rgba(34,197,94,0.25); }
.badge-bear  { color: #EF4444; background: rgba(239,68,68,0.10); border-color: rgba(239,68,68,0.25); }
.badge-orange { color: #F7931A; background: rgba(247,147,26,0.10); border-color: rgba(247,147,26,0.25); }
.badge-neutral { color: var(--text-2); background: var(--surface2); border-color: var(--border); }
.badge-sky  { color: #38BDF8; background: rgba(56,189,248,0.10); border-color: rgba(56,189,248,0.25); }

/* ── Buttons ─────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 8px;
  border: none;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}

.btn-primary { background: var(--accent); color: var(--text-inv); }
.btn-primary:hover { opacity: 0.9; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-md);
  color: var(--text-2);
}
.btn-ghost:hover { background: var(--surface2); color: var(--text); }

.btn-tint { background: rgba(247,147,26,0.10); color: var(--accent); border: none; }
.btn-tint:hover { background: rgba(247,147,26,0.16); }

.btn-danger { background: transparent; color: var(--red); border: none; }
.btn-danger:hover { background: rgba(239,68,68,0.10); }

.btn-green { background: transparent; border: 1px solid var(--green); color: var(--green); }
.btn-green:hover { background: rgba(34,197,94,0.10); }

.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn svg { width: 13px; height: 13px; flex-shrink: 0; }

/* ── Scan toolbar ────────────────────────────────────────────────────────────── */
.scan-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.scan-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-3);
}

.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--green);
  font-size: 11px;
  font-weight: 500;
}

.live-dot::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

/* ── Status indicator ────────────────────────────────────────────────────────── */
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.dot-ok  { background: var(--green); }
.dot-run { background: var(--accent); animation: pulse 1s ease infinite; }

/* ── Filter pills ────────────────────────────────────────────────────────────── */
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 6px;
  border: 1px solid var(--border-md);
  background: transparent;
  color: var(--text-2);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.pill:hover { background: var(--surface2); color: var(--text); }
.pill.active { background: var(--accent); color: var(--text-inv); border-color: var(--accent); }
.pill svg { width: 11px; height: 11px; }

/* ── Tables ──────────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

table { width: 100%; border-collapse: collapse; font-size: 12px; }

thead th {
  padding: 10px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr { border-bottom: 1px solid var(--border); transition: background 0.1s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--surface2); }

tbody td {
  padding: 10px 16px;
  color: var(--text);
  vertical-align: middle;
}

td.muted { color: var(--text-3); }
td.mono  { font-variant-numeric: tabular-nums; }

.empty-row td {
  text-align: center;
  padding: 32px;
  color: var(--text-3);
}

.depo-val { display: inline-flex; align-items: center; gap: 4px; color: var(--accent); font-weight: 500; font-variant-numeric: tabular-nums; }
.depo-val svg { width: 11px; height: 11px; }
.depo-none { color: var(--text-3); }

/* ── Briefing content ────────────────────────────────────────────────────────── */
.briefing-content {
  font-size: 13px;
  line-height: 1.85;
  color: var(--text);
  max-height: 520px;
  overflow-y: auto;
  padding: 16px;
}

.briefing-content h1 { font-size: 14px; font-weight: 600; color: var(--accent); border-bottom: 1px solid var(--border); padding-bottom: 8px; margin-bottom: 12px; }
.briefing-content h2 { font-size: 13px; font-weight: 600; color: var(--text); margin: 16px 0 6px; }
.briefing-content h3 { font-size: 12px; font-weight: 500; color: var(--text-2); margin: 10px 0 4px; }
.briefing-content p  { margin-bottom: 6px; color: var(--text-2); }
.briefing-content p strong, .briefing-content li strong { color: var(--text); }
.briefing-content hr { border: none; border-top: 1px solid var(--border); margin: 12px 0; }
.briefing-content ul { padding-left: 16px; margin-bottom: 8px; }
.briefing-content li { color: var(--text-2); margin-bottom: 3px; }

/* ── Home 2-col grid ─────────────────────────────────────────────────────────── */
.home-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 1024px) {
  .home-grid { grid-template-columns: 3fr 2fr; gap: 20px; align-items: start; }
}

/* ── Trading layout ──────────────────────────────────────────────────────────── */
.trading-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 1280px) {
  .trading-grid { grid-template-columns: 200px 1fr; }
}

.settings-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 16px;
  border-bottom: 1px solid var(--border);
  gap: 8px;
}

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

.setting-label { font-size: 12px; color: var(--text-2); }

/* ── Toggle ──────────────────────────────────────────────────────────────────── */
.toggle {
  position: relative;
  display: inline-flex;
  width: 36px;
  height: 20px;
  align-items: center;
  border-radius: 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.2s;
  flex-shrink: 0;
}

.toggle.on { background: var(--accent); border-color: var(--accent); }

.toggle-knob {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: white;
  left: 3px;
  transition: transform 0.2s;
}

.toggle.on .toggle-knob { transform: translateX(16px); }

/* ── Settings inputs ─────────────────────────────────────────────────────────── */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  padding: 16px;
}

.settings-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.settings-grid input,
.settings-grid select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--font);
  font-size: 12px;
  padding: 5px 8px;
  outline: none;
  width: 100%;
}

.settings-grid input:focus,
.settings-grid select:focus { border-color: var(--accent); }

/* ── Settings page field helpers ─────────────────────────────────────────────── */
.s-section { display: flex; flex-direction: column; gap: 12px; padding: 14px 16px; }
.s-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.s-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.s-field { display: flex; flex-direction: column; gap: 4px; }
.s-label { font-size: 11px; color: var(--text-3); letter-spacing: 0.04em; }
.s-input, .s-textarea, .s-select {
  background: var(--surface2); border: 1px solid var(--border); border-radius: 6px;
  color: var(--text); font-family: var(--font); font-size: 12px;
  padding: 7px 10px; outline: none; width: 100%; box-sizing: border-box;
}
.s-textarea { resize: vertical; }
.s-input:focus, .s-textarea:focus, .s-select:focus { border-color: var(--accent); }
.s-footer { display: flex; align-items: center; gap: 10px; padding: 0 0 2px; }
.s-ok { font-size: 11px; color: var(--green); display: none; }
.s-err { font-size: 11px; color: var(--red); display: none; }
.s-checks { display: flex; gap: 16px; flex-wrap: wrap; }
.s-check { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--text-2); cursor: pointer; }
@media (max-width: 600px) {
  .s-row, .s-row-3 { grid-template-columns: 1fr; }
}

/* ── Levels bar ──────────────────────────────────────────────────────────────── */
.levels-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  padding: 8px 12px;
  background: var(--surface2);
  border-radius: 8px;
  font-size: 12px;
  border: 1px solid var(--border);
}

.level-item { white-space: nowrap; }
.level-sep  { color: var(--text-3); padding: 0 8px; }

/* ── Trade section headers ───────────────────────────────────────────────────── */
.section-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Details/summary (settings accordion) ────────────────────────────────────── */
.trade-settings summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
  color: var(--text-3);
  font-size: 12px;
  padding: 8px 0 10px;
}

.trade-settings summary::-webkit-details-marker { display: none; }
.trade-settings[open] summary { color: var(--text-2); }

/* ── Spinner ─────────────────────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 11px; height: 11px;
  border: 2px solid var(--border-md);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

/* ── Direction / phase ───────────────────────────────────────────────────────── */
.dir-long  { color: #22C55E; font-weight: 600; }
.dir-short { color: #EF4444; font-weight: 600; }
.pnl-pos   { color: #22C55E; font-variant-numeric: tabular-nums; font-weight: 500; }
.pnl-neg   { color: #EF4444; font-variant-numeric: tabular-nums; font-weight: 500; }
.phase-watch { color: var(--text-3); font-size: 11px; }
.phase-trail { color: var(--accent); font-size: 11px; font-weight: 600; }
.pattern-flag { color: #EAB308; }

/* ── Mobile bottom tab bar ───────────────────────────────────────────────────── */
.mobile-tabbar {
  display: flex;
  align-items: stretch;
  height: 56px;
  border-top: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}

@media (min-width: 1024px) { .mobile-tabbar { display: none; } }

.tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: none;
  border: none;
  color: var(--text-3);
  font-family: var(--font);
  font-size: 10px;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s;
}

.tab-item svg { width: 20px; height: 20px; }
.tab-item.active { color: var(--accent); }

/* ── Animations ──────────────────────────────────────────────────────────────── */
@keyframes spin  { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

/* ── Scrollbar ───────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-md); border-radius: 3px; }

/* ── Mobile overrides ────────────────────────────────────────────────────────── */
@media (max-width: 639px) {
  body { overflow-x: hidden; }

  .page-body { padding: 12px; gap: 12px; }

  .card-header { flex-wrap: wrap; gap: 6px; }

  table { display: block; overflow-x: auto; }

  .briefing-content { max-height: 380px; overflow-wrap: break-word; word-break: break-word; }

  /* scanner table: hide Direction (3), Bars Ago (4), Bar Open (5) */
  #scan-body td:nth-child(3), #scan-body td:nth-child(4), #scan-body td:nth-child(5),
  #scan-head th:nth-child(3), #scan-head th:nth-child(4), #scan-head th:nth-child(5) { display: none; }

  /* signals: hide SL (5), Expires (6) */
  #signals-head th:nth-child(5), #signals-head th:nth-child(6),
  #trade-signals-body td:nth-child(5), #trade-signals-body td:nth-child(6) { display: none; }

  /* positions: hide TF (2), Pattern (3), TP1 (6), Rem Qty (8), Opened (10) */
  #positions-head th:nth-child(2), #positions-head th:nth-child(3),
  #positions-head th:nth-child(6), #positions-head th:nth-child(8), #positions-head th:nth-child(10),
  #trade-positions-body td:nth-child(2), #trade-positions-body td:nth-child(3),
  #trade-positions-body td:nth-child(6), #trade-positions-body td:nth-child(8),
  #trade-positions-body td:nth-child(10) { display: none; }

  /* history: hide TF (2), Pattern (3), Qty (6), Closed (9) */
  #history-head th:nth-child(2), #history-head th:nth-child(3),
  #history-head th:nth-child(6), #history-head th:nth-child(9),
  #trade-history-body td:nth-child(2), #trade-history-body td:nth-child(3),
  #trade-history-body td:nth-child(6), #trade-history-body td:nth-child(9) { display: none; }

  .settings-grid { grid-template-columns: 1fr 1fr; }

  .trading-grid { grid-template-columns: 1fr; }
}