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

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-hover: #30363d;
  --border: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --green: #3fb950;
  --green-bg: rgba(63,185,80,0.15);
  --red: #f85149;
  --red-bg: rgba(248,81,73,0.15);
  --yellow: #d29922;
  --yellow-bg: rgba(210,153,34,0.15);
  --topbar-height: 48px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow: hidden;
}

/* ========== Layout ========== */
.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ========== Top Navbar ========== */
.topbar {
  height: var(--topbar-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  flex-shrink: 0;
  gap: 24px;
}

.topbar-brand h1 {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  transition: all 0.15s;
  white-space: nowrap;
}

.topbar-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.topbar-item.active {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.topbar-item .nav-icon {
  font-size: 14px;
}

.topbar-status {
  flex-shrink: 0;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
}

.status-dot.running { background: var(--green); animation: pulse 2s infinite; }
.status-dot.stopped { background: var(--red); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ========== Main Content ========== */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

.page {
  display: none;
  height: 100%;
}

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

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.page-header h2 {
  font-size: 18px;
  font-weight: 600;
}

/* ========== Chart Page ========== */
.chart-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.interval-btns {
  display: flex;
  gap: 4px;
}

.interval-btn {
  padding: 4px 12px;
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s;
}

.interval-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.interval-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ========== Chart Indicators ========== */
.chart-indicators {
  position: absolute;
  top: 6px;
  left: 6px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.indicator-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  background: rgba(13, 17, 23, 0.35);
  border: 1px solid rgba(48, 54, 61, 0.5);
  border-radius: 4px;
  backdrop-filter: blur(4px);
  font-size: 11px;
  color: var(--text-secondary);
  font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
}

.indicator-eye {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(230, 237, 243, 0.3);
  transition: color 0.2s;
  user-select: none;
}

.indicator-eye.active {
  color: rgba(230, 237, 243, 0.9);
}

.indicator-eye.active .eye-pupil {
  display: block;
}

.indicator-eye:not(.active) .eye-pupil {
  display: none;
}

.indicator-eye.active .eye-slash {
  display: none;
}

.indicator-eye:not(.active) .eye-slash {
  display: block;
}

.indicator-name {
  color: rgba(230, 237, 243, 0.85);
  font-weight: 600;
  padding-right: 4px;
  border-right: 1px solid rgba(48, 54, 61, 0.5);
}

.indicator-params {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.ma-param {
  display: inline-block;
  min-width: 20px;
  padding: 1px 5px;
  border-radius: 3px;
  text-align: center;
  cursor: text;
  outline: none;
  transition: background 0.15s, border-color 0.15s;
  border: 1px solid transparent;
}

.ma-param:focus {
  background: rgba(88, 166, 255, 0.15);
  border-color: var(--accent);
}

.ma-param:hover {
  background: rgba(88, 166, 255, 0.1);
}

/* MA param colors matching line colors */
.ma-param[data-period="5"]   { color: rgba(255, 235, 59, 0.9); }
.ma-param[data-period="15"]  { color: rgba(0, 191, 255, 0.9); }
.ma-param[data-period="30"]  { color: rgba(255, 105, 180, 0.9); }
.ma-param[data-period="60"]  { color: rgba(0, 255, 127, 0.9); }
.ma-param[data-period="100"] { color: rgba(186, 85, 211, 0.9); }
.ma-param[data-period="200"] { color: rgba(255, 165, 0, 0.9); }

.chart-ohlcv {
  position: absolute;
  top: 32px;
  left: 6px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 10px;
  background: rgba(13, 17, 23, 0.35);
  border: 1px solid rgba(48, 54, 61, 0.5);
  border-radius: 4px;
  backdrop-filter: blur(4px);
  font-size: 11px;
  color: var(--text-secondary);
  font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
  pointer-events: none;
  transition: opacity 0.2s;
}
.chart-ohlcv .ohlcv-time {
  color: rgba(230, 237, 243, 0.85);
  font-weight: 500;
  padding-right: 6px;
  border-right: 1px solid rgba(48, 54, 61, 0.5);
}
.chart-ohlcv .ohlcv-item {
  display: flex;
  align-items: center;
  gap: 3px;
}
.chart-ohlcv .ohlcv-item em {
  font-style: normal;
  font-weight: 500;
}
.ohlcv-open .ohlcv-label { color: rgba(210, 168, 255, 0.7); }
.ohlcv-open em { color: rgba(210, 168, 255, 0.85); }
.ohlcv-high .ohlcv-label { color: rgba(63, 185, 80, 0.7); }
.ohlcv-high em { color: rgba(63, 185, 80, 0.85); }
.ohlcv-low .ohlcv-label { color: rgba(248, 81, 73, 0.7); }
.ohlcv-low em { color: rgba(248, 81, 73, 0.85); }
.ohlcv-close .ohlcv-label { color: rgba(88, 166, 255, 0.7); }
.ohlcv-close em { color: rgba(88, 166, 255, 0.85); }
.ohlcv-vol .ohlcv-label { color: rgba(210, 153, 34, 0.7); }
.ohlcv-vol em { color: rgba(210, 153, 34, 0.85); }
.ohlcv-close-up em { color: rgba(63, 185, 80, 0.9) !important; }
.ohlcv-close-up .ohlcv-label { color: rgba(63, 185, 80, 0.7) !important; }
.ohlcv-close-down em { color: rgba(248, 81, 73, 0.9) !important; }
.ohlcv-close-down .ohlcv-label { color: rgba(248, 81, 73, 0.7) !important; }

.chart-container {
  flex: 1;
  min-height: 400px;
  position: relative;
}

.chart-info {
  padding: 8px 24px;
  font-size: 12px;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

/* ========== Forms & Controls ========== */
select, input[type="text"] {
  padding: 6px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}

select:focus, input[type="text"]:focus {
  border-color: var(--accent);
}

.btn {
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-success {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}

.btn-success:hover { opacity: 0.9; }

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

.btn-danger:hover { opacity: 0.9; }

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-secondary:hover { background: var(--bg-hover); }

.btn-sm {
  padding: 3px 10px;
  font-size: 12px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ========== Data Page ========== */
.data-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.data-summary {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
}

.placeholder {
  color: var(--text-muted);
  text-align: center;
  padding: 40px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th, .data-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-weight: 600;
  position: sticky;
  top: 0;
}

.data-table tr:hover td {
  background: var(--bg-tertiary);
}

.status-ok { color: var(--green); }
.status-warn { color: var(--yellow); }
.status-bad { color: var(--red); }

/* ========== Sync Log ========== */
.sync-log, .scheduler-log {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  max-height: 250px;
  overflow-y: auto;
  flex-shrink: 0;
}

.sync-log h3, .scheduler-log h3 {
  font-size: 14px;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.log-content {
  font-family: 'SF Mono', 'Consolas', monospace;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.log-content .log-line {
  padding: 2px 0;
}

.log-content .log-ok { color: var(--green); }
.log-content .log-err { color: var(--red); }
.log-content .log-info { color: var(--accent); }

/* ========== Symbols Page ========== */
.symbols-content {
  padding: 20px 24px;
  overflow-y: auto;
  flex: 1;
}

.add-symbol-form {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 24px;
}

.add-symbol-form h3 {
  font-size: 14px;
  margin-bottom: 12px;
}

.form-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.available-pairs {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 24px;
}

.available-pairs h3 {
  font-size: 14px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pairs-list {
  max-height: 300px;
  overflow-y: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pair-tag {
  padding: 4px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}

.pair-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.current-symbols h3 {
  font-size: 14px;
  margin-bottom: 12px;
}

.market-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
}

.tab-btn {
  padding: 4px 12px;
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}

.tab-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ========== Scheduler Page ========== */
.scheduler-content {
  padding: 20px 24px;
  overflow-y: auto;
  flex: 1;
}

.scheduler-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 24px;
}

.sched-main-row {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.sched-time-group {
  flex: 0 0 auto;
}

.sched-time-group label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.sched-time-input {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sched-time-input input[type="time"] {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 16px;
  width: 120px;
}

.sched-timezone {
  font-size: 13px;
  color: var(--text-muted);
}

.sched-status-group {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}

.sched-status-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sched-status-label {
  font-size: 12px;
  color: var(--text-muted);
}

.sched-status-value {
  font-size: 14px;
  font-weight: 500;
}

.scheduler-actions {
  display: flex;
  gap: 8px;
}
  outline: none;
}

.btn-sm {
  padding: 3px 10px;
  font-size: 12px;
}

/* ========== Toast ========== */
.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 13px;
  animation: slideIn 0.3s ease;
  max-width: 360px;
}

.toast-success { background: var(--green-bg); color: var(--green); border: 1px solid var(--green); }
.toast-error { background: var(--red-bg); color: var(--red); border: 1px solid var(--red); }
.toast-info { background: rgba(88,166,255,0.15); color: var(--accent); border: 1px solid var(--accent); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ========== Loading ========== */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9998;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-overlay p {
  margin-top: 12px;
  color: var(--text-secondary);
  font-size: 14px;
}

/* ========== Config Management Page ========== */
.config-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.config-content {
  padding: 20px 24px;
  overflow-y: auto;
  flex: 1;
}

.config-group {
  margin-bottom: 28px;
}

.config-group-header h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.config-items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(480px, 1fr));
  gap: 16px;
}

.config-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  transition: border-color 0.2s;
}

.config-item:hover {
  border-color: var(--accent);
}

.config-item-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.config-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.config-key {
  font-size: 11px;
  font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 3px;
}

.config-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
  margin-left: auto;
}

.badge-set {
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid rgba(63,185,80,0.3);
}

.badge-default {
  background: rgba(110,118,129,0.15);
  color: var(--text-muted);
  border: 1px solid rgba(110,118,129,0.3);
}

.config-item-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.5;
}

.config-item-value {
  margin-bottom: 12px;
}

.config-item-actions {
  display: flex;
  gap: 6px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

/* Toggle Switch */
.config-toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  cursor: pointer;
}

.config-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 24px;
  transition: all 0.3s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 2px;
  bottom: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: all 0.3s;
}

.config-toggle input:checked + .toggle-slider {
  background: var(--green-bg);
  border-color: var(--green);
}

.config-toggle input:checked + .toggle-slider::before {
  transform: translateX(20px);
  background: var(--green);
}

/* Array Editor */
.config-array-editor {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.array-items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.array-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.array-item-input {
  width: 60px;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 4px;
  font-size: 13px;
  text-align: center;
  outline: none;
  font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
}

.array-item-input:focus {
  border-color: var(--accent);
}

.array-remove-btn {
  padding: 2px 6px !important;
  font-size: 14px !important;
  line-height: 1;
  min-width: 24px;
}

/* JSON / Text Editor */
.config-json-editor {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 6px;
  font-size: 12px;
  font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
  line-height: 1.5;
  resize: vertical;
  outline: none;
}

.config-json-editor:focus {
  border-color: var(--accent);
}

.config-text-editor {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 6px;
  font-size: 13px;
  outline: none;
}

.config-text-editor:focus {
  border-color: var(--accent);
}

@media (max-width: 768px) {
  .topbar { padding: 0 12px; gap: 8px; }
  .topbar-item span:last-child { display: none; }
  .topbar-item { padding: 6px 8px; }
  .topbar-status .status-text { display: none; }
  .page-header { flex-direction: column; gap: 12px; align-items: flex-start; }
  .chart-controls { flex-wrap: wrap; }
  .form-row { flex-wrap: wrap; }
  .config-items { grid-template-columns: 1fr; }
}