/* ═══════════════════════════════════════════════════════════════
   Investment Tracker — Main Stylesheet
   Dark-mode first, premium design
═══════════════════════════════════════════════════════════════ */

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  --clr-bg:           #0d1117;
  --clr-surface:      #161b22;
  --clr-surface-2:    #1c2333;
  --clr-border:       #30363d;
  --clr-border-light: #21262d;

  --clr-accent:       #58a6ff;
  --clr-accent-glow:  rgba(88,166,255,.18);
  --clr-green:        #3fb950;
  --clr-green-dim:    rgba(63,185,80,.15);
  --clr-red:          #f85149;
  --clr-red-dim:      rgba(248,81,73,.15);
  --clr-yellow:       #e3b341;
  --clr-purple:       #bc8cff;

  --clr-text:         #e6edf3;
  --clr-text-muted:   #8b949e;
  --clr-text-faint:   #484f58;

  --sidebar-w:        240px;
  --sidebar-w-col:    64px;
  --topbar-h:         60px;
  --radius:           8px;
  --radius-lg:        12px;
  --shadow:           0 4px 20px rgba(0,0,0,.4);
  --shadow-lg:        0 8px 40px rgba(0,0,0,.6);

  --transition:       all .22s cubic-bezier(.4,0,.2,1);
  --font-mono:        'JetBrains Mono', monospace;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100vh;
  display: flex;
  /* Fix #11: allow page to scroll */
  overflow-x: hidden;
  overflow-y: auto;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }
svg { flex-shrink: 0; }

/* ── Scrollbars ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-text-faint); }

/* ═══════════════════════════════════════════════════ SIDEBAR */
.sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--clr-surface);
  border-right: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  transition: width .28s cubic-bezier(.4,0,.2,1);
  z-index: 200;
  overflow: hidden;
}

.sidebar.collapsed {
  width: var(--sidebar-w-col);
}

/* Header */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  height: var(--topbar-h);
  border-bottom: 1px solid var(--clr-border);
  flex-shrink: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
}

.brand-icon {
  width: 26px; height: 26px;
  stroke: var(--clr-accent);
  flex-shrink: 0;
}

.brand-text {
  font-size: 1rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
  transition: opacity .2s, width .2s;
}

.sidebar.collapsed .brand-text { opacity: 0; width: 0; }

/* Nav */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 10px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  color: var(--clr-text-muted);
  font-size: .9rem;
  font-weight: 500;
  border-radius: var(--radius);
  margin: 2px 8px;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.nav-item i { width: 18px; height: 18px; flex-shrink: 0; }

.nav-item span {
  transition: opacity .2s;
  white-space: nowrap;
}

.sidebar.collapsed .nav-item span { opacity: 0; pointer-events: none; }

.nav-item:hover:not(.disabled) {
  color: var(--clr-text);
  background: var(--clr-surface-2);
}

.nav-item.active {
  color: var(--clr-accent);
  background: var(--clr-accent-glow);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--clr-accent);
  border-radius: 0 2px 2px 0;
}

.nav-item.disabled {
  opacity: .35;
  cursor: not-allowed;
}

/* Nav separator line */
.nav-separator {
  height: 1px;
  background: var(--clr-border);
  margin: 8px 16px;
}

/* Sidebar Nav Groups and Collapsible Tree Nesting */
.nav-group {
  margin: 2px 8px;
}
.nav-group-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  color: var(--clr-text-muted);
  font-size: .9rem;
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}
.nav-group-header:hover {
  color: var(--clr-text);
  background: var(--clr-surface-2);
}
.nav-group-chevron {
  margin-left: auto;
  width: 14px;
  height: 14px;
  transition: transform .2s ease;
}
.nav-group.collapsed .nav-group-chevron {
  transform: rotate(-90deg);
}
.nav-group.collapsed .nav-group-children {
  display: none;
}
.nav-group-children {
  padding-left: 10px;
  border-left: 1px solid var(--clr-border-light);
  margin-left: 24px;
  margin-top: 4px;
  margin-bottom: 4px;
}
.sidebar.collapsed .nav-group-children {
  display: none !important;
}
.sidebar.collapsed .nav-group-chevron {
  display: none !important;
}
.sidebar.collapsed .nav-group-header span {
  display: none;
}

/* Page Items inside Nav Group */
.nav-page-item {
  margin: 2px 0;
}
.nav-page-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  color: var(--clr-text-muted);
  font-size: .88rem;
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  position: relative;
  transition: var(--transition);
}
.nav-page-header:hover {
  color: var(--clr-text);
  background: var(--clr-surface-2);
}
.nav-page-header.active {
  color: var(--clr-accent);
  background: var(--clr-accent-glow);
}
.nav-page-header.active::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--clr-accent);
  border-radius: 0 2px 2px 0;
}
.nav-page-instruments {
  padding-left: 12px;
  border-left: 1px dashed var(--clr-border-light);
  margin-left: 18px;
  margin-top: 2px;
  margin-bottom: 4px;
}
.nav-inst-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  color: var(--clr-text-muted);
  font-size: .8rem;
  font-family: var(--font-mono);
  border-radius: 4px;
  transition: var(--transition);
  cursor: pointer;
}
.nav-inst-item:hover {
  color: var(--clr-text);
  background: var(--clr-surface-2);
}

/* Add-page nav item */
.nav-add-page {
  color: var(--clr-text-faint) !important;
  font-style: italic;
  font-size: 0.85rem !important;
  padding: 6px 12px !important;
}
.nav-add-page:hover {
  color: var(--clr-accent) !important;
}

/* Nav item inline actions (rename/delete) */
.nav-item-actions {
  display: none;
  margin-left: auto;
  gap: 2px;
  flex-shrink: 0;
}
.nav-page-header:hover .nav-item-actions {
  display: flex;
}
.nav-item-actions .icon-btn-xs {
  width: 22px;
  height: 22px;
  border: none;
  background: transparent;
  color: var(--clr-text-faint);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .15s;
  padding: 0;
}
.nav-item-actions .icon-btn-xs:hover {
  background: var(--clr-surface-2);
  color: var(--clr-text);
}
.nav-item-actions .icon-btn-xs.danger:hover {
  color: var(--clr-red);
}
.nav-item-actions .icon-btn-xs svg {
  width: 13px;
  height: 13px;
}
.sidebar.collapsed .nav-item-actions { display: none !important; }

/* Drag and Drop styling */
.stock-panel.dragging {
  opacity: 0.4;
  border: 2px dashed var(--clr-accent) !important;
}
.stock-panel.drag-over {
  border: 2px solid var(--clr-accent) !important;
  transform: scale(1.02);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

/* Small modal variant */
.modal.modal-sm {
  max-width: 400px;
}

/* Sidebar tooltip when collapsed */
.sidebar.collapsed .nav-item {
  justify-content: center;
  padding: 10px;
  margin: 2px 8px;
}

/* Settings Page CSS */
.settings-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}
.settings-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.settings-card h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--clr-text);
}
.settings-desc {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  line-height: 1.5;
  margin-bottom: 20px;
}
.settings-group {
  margin-bottom: 16px;
}
.settings-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  margin-bottom: 8px;
}
.backup-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 16px;
}
.backup-buttons {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.select-lg {
  width: 100%;
  max-width: 400px;
  padding: 10px 14px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  color: var(--clr-text);
  outline: none;
  font-size: 0.95rem;
}
.select-lg:focus {
  border-color: var(--clr-accent);
}

/* Footer */
.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--clr-border);
  flex-shrink: 0;
}

.version-tag {
  font-size: .72rem;
  color: var(--clr-text-faint);
  font-family: var(--font-mono);
  white-space: nowrap;
  transition: opacity .2s;
}

.sidebar.collapsed .version-tag { opacity: 0; }

/* ═══════════════════════════════════════════════ MAIN CONTENT */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left .28s cubic-bezier(.4,0,.2,1);
  /* Fix #11: allow vertical scrolling within main content */
  overflow-x: hidden;
  overflow-y: auto;
  min-width: 0;
}

.sidebar.collapsed ~ .main-content {
  margin-left: var(--sidebar-w-col);
}

/* ── Topbar ──────────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.topbar-left h1 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--clr-text);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.clock {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--clr-text-muted);
}

.market-badge {
  font-size: .72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.market-badge.open  { background: var(--clr-green-dim); color: var(--clr-green); }
.market-badge.closed { background: var(--clr-red-dim);  color: var(--clr-red);   }

#mobile-sidebar-toggle { display: none; }

/* ═══════════════════════════════════════════════════════ PAGES */
.page {
  display: none;
  flex: 1;
  /* Fix #11: pages should not clip, let main-content scroll */
  overflow: visible;
  padding: 20px 24px;
  animation: fadeIn .25s ease;
}

.page.active { display: flex; flex-direction: column; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Stub pages */
.stub-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 16px;
  color: var(--clr-text-faint);
  min-height: 60vh;
}

.stub-page i { width: 56px; height: 56px; }
.stub-page h2 { font-size: 1.5rem; color: var(--clr-text-muted); }
.stub-page p  { font-size: .9rem; }

/* ════════════════════════════════════════════ CHART TOOLBAR */
.chart-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  padding: 14px 18px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
}

.toolbar-left, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.label-sm {
  font-size: .82rem;
  color: var(--clr-text-muted);
  white-space: nowrap;
}

.select-sm {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  color: var(--clr-text);
  padding: 6px 10px;
  font-size: .85rem;
  cursor: pointer;
  transition: var(--transition);
}

.select-sm:focus { outline: none; border-color: var(--clr-accent); }

/* ════════════════════════════════════════════ CHARTS GRID */
.charts-grid {
  display: grid;
  gap: 18px;
  align-items: start;
}

.charts-grid.cols-1  { grid-template-columns: 1fr; }
.charts-grid.cols-2  { grid-template-columns: repeat(2,  1fr); }
.charts-grid.cols-3  { grid-template-columns: repeat(3,  1fr); }
.charts-grid.cols-4  { grid-template-columns: repeat(4,  1fr); }
.charts-grid.cols-5  { grid-template-columns: repeat(5,  1fr); }
.charts-grid.cols-6  { grid-template-columns: repeat(6,  1fr); }
.charts-grid.cols-7  { grid-template-columns: repeat(7,  1fr); }
.charts-grid.cols-8  { grid-template-columns: repeat(8,  1fr); }
.charts-grid.cols-9  { grid-template-columns: repeat(9,  1fr); }
.charts-grid.cols-10 { grid-template-columns: repeat(10, 1fr); }

/* ════════════════════════════════════════════ STOCK PANEL */
.stock-panel {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .2s, box-shadow .2s;
  position: relative;
}

.stock-panel:hover { border-color: var(--clr-accent); box-shadow: 0 0 0 1px var(--clr-accent-glow); }

/* Panel header */
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px 8px;
  border-bottom: 1px solid var(--clr-border-light);
  flex-wrap: wrap;
  gap: 6px;
}

.panel-info { flex: 1; min-width: 0; }

.panel-symbol {
  font-size: .95rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--clr-accent);
}

.panel-name {
  font-size: .78rem;
  color: var(--clr-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.panel-ohlc {
  font-size: .72rem;
  font-family: var(--font-mono);
  color: var(--clr-text-muted);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.panel-ohlc span { white-space: nowrap; }
.panel-ohlc .up   { color: var(--clr-green); }
.panel-ohlc .down { color: var(--clr-red); }

.panel-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Fix #2: P&L badge replacing simple price badge */
.panel-pnl-badge {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius);
  line-height: 1.3;
  white-space: nowrap;
}

.panel-pnl-badge .pnl-amount {
  font-size: .82rem;
}

.panel-pnl-badge .pnl-pct {
  font-size: .68rem;
  opacity: .85;
}

.panel-pnl-badge.up   { background: var(--clr-green-dim); color: var(--clr-green); }
.panel-pnl-badge.down { background: var(--clr-red-dim);   color: var(--clr-red); }
.panel-pnl-badge.flat { background: var(--clr-surface-2); color: var(--clr-text-muted); }

/* Candle-size tag next to symbol */
.panel-cs-tag {
  font-size: .65rem;
  font-weight: 500;
  font-family: var(--font-mono);
  color: var(--clr-text-faint);
  background: var(--clr-surface-2);
  border-radius: 4px;
  padding: 1px 5px;
  vertical-align: middle;
  margin-left: 4px;
}

/* Danger variant of icon-btn */
.icon-btn.danger {
  color: var(--clr-red);
}

.icon-btn.danger:hover { background: var(--clr-red-dim); color: var(--clr-red); }

/* Timezone select in topbar */
.tz-select {
  font-size: .78rem;
  padding: 4px 8px;
}

/* Entry info bar */
.panel-entry-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 6px 14px;
  background: rgba(227,179,65,.07);
  border-bottom: 1px solid rgba(227,179,65,.12);
  font-size: .74rem;
  color: var(--clr-yellow);
  font-family: var(--font-mono);
  flex-wrap: wrap;
}

.panel-entry-bar .label { color: var(--clr-text-faint); font-weight: 400; }

/* Chart containers */
.candle-container {
  width: 100%;
  height: 300px;
  background: var(--clr-bg);
  position: relative;
}

.rsi-container {
  width: 100%;
  height: 130px;
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border-light);
  position: relative;
}

/* RSI label overlay */
.rsi-label {
  position: absolute;
  top: 6px;
  left: 8px;
  font-size: .72rem;
  font-family: var(--font-mono);
  color: var(--clr-text-muted);
  z-index: 10;
  pointer-events: none;
}

.rsi-label .rsi-val { color: var(--clr-yellow); font-weight: 600; }

/* Loading & error states */
.panel-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 420px;
  flex-direction: column;
  gap: 14px;
  color: var(--clr-text-faint);
}

.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--clr-border);
  border-top-color: var(--clr-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.panel-error {
  padding: 24px;
  text-align: center;
  color: var(--clr-red);
  font-size: .85rem;
}

/* Panel footer (metadata) */
.panel-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 14px;
  border-top: 1px solid var(--clr-border-light);
  font-size: .72rem;
  color: var(--clr-text-faint);
  font-family: var(--font-mono);
  flex-wrap: wrap;
  gap: 4px;
}

.panel-footer .refresh-indicator { display: flex; align-items: center; gap: 5px; }
.refresh-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--clr-green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .3; }
}

/* ════════════════════════════════════════════════ EMPTY STATE */
.empty-state {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-height: 60vh;
  gap: 16px;
  color: var(--clr-text-faint);
  text-align: center;
}

.empty-state.visible { display: flex; }
.empty-state i { width: 64px; height: 64px; }
.empty-state h2 { font-size: 1.4rem; color: var(--clr-text-muted); }
.empty-state p  { font-size: .9rem; max-width: 400px; line-height: 1.6; }

/* ════════════════════════════════════════════════════ BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: .85rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn i { width: 15px; height: 15px; }

.btn-primary {
  background: var(--clr-accent);
  color: #0d1117;
  font-weight: 600;
}

.btn-primary:hover { background: #79b8ff; box-shadow: 0 0 16px var(--clr-accent-glow); }

.btn-secondary {
  background: var(--clr-surface-2);
  color: var(--clr-text);
  border-color: var(--clr-border);
}

.btn-secondary:hover { background: var(--clr-surface); border-color: var(--clr-accent); color: var(--clr-accent); }

.btn-ghost {
  background: transparent;
  color: var(--clr-text-muted);
  border-color: var(--clr-border);
}

.btn-ghost:hover { background: var(--clr-surface-2); color: var(--clr-text); }

.btn-danger {
  background: var(--clr-red-dim);
  color: var(--clr-red);
  border-color: transparent;
}

.btn-danger:hover { background: var(--clr-red); color: #fff; }

.icon-btn {
  background: transparent;
  border: none;
  color: var(--clr-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.icon-btn:hover { background: var(--clr-surface-2); color: var(--clr-text); }
.icon-btn i { width: 18px; height: 18px; }

/* ════════════════════════════════════════════════════ MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 20px;
  transition: var(--transition);
}

.modal-overlay.hidden { display: none; }

.modal {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  box-shadow: var(--shadow-lg);
  animation: modalIn .25s cubic-bezier(.34,1.56,.64,1);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(.94) translateY(-10px); }
  to   { opacity: 1; transform: scale(1)  translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--clr-border);
}

.modal-header h2 { font-size: 1.05rem; font-weight: 600; }

.modal-body { padding: 20px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: .82rem;
  font-weight: 500;
  color: var(--clr-text-muted);
}

.form-group small {
  font-size: .72rem;
  color: var(--clr-text-faint);
}

.required { color: var(--clr-red); }

.form-group input,
.form-group select {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  color: var(--clr-text);
  padding: 9px 12px;
  font-size: .88rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px var(--clr-accent-glow);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--clr-border);
  margin-top: 8px;
}

/* ════════════════════════════════════════════════════ TOAST */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: .85rem;
  color: var(--clr-text);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 240px;
  max-width: 360px;
  animation: toastIn .3s ease;
  pointer-events: all;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.toast.success { border-left: 3px solid var(--clr-green); }
.toast.error   { border-left: 3px solid var(--clr-red); }
.toast.info    { border-left: 3px solid var(--clr-accent); }

/* ════════════════════════════════════════════ RESPONSIVE */
@media (max-width: 1100px) {
  .charts-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .charts-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  /* body and main-content already scroll via their own overflow settings */

  .sidebar {
    position: fixed;
    transform: translateX(-100%);
    width: var(--sidebar-w) !important;
    transition: transform .28s cubic-bezier(.4,0,.2,1);
    box-shadow: var(--shadow-lg);
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0 !important;
  }

  #mobile-sidebar-toggle { display: flex; }
  #sidebar-toggle { display: none; }

  .charts-grid.cols-2,
  .charts-grid.cols-3,
  .charts-grid.cols-4 { grid-template-columns: 1fr; }

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

  .chart-toolbar { padding: 10px 12px; }

  .topbar { padding: 0 14px; }
}

@media (max-width: 480px) {
  .page { padding: 12px; }
  .candle-container { height: 240px; }
  .rsi-container    { height: 100px; }
}