:root {
  --bg-primary: #31353F;
  --bg-sidebar: #252830;
  --bg-card: #1B2028;
  --bg-card-hover: #222831;
  --accent-blue: #3A6FF8;
  --accent-blue-dark: #2B5AD4;
  --accent-green: #1ECB4F;
  --accent-orange: #F46D22;
  --accent-red: #E53935;
  --text-primary: #FFFFFF;
  --text-secondary: #9E9E9E;
  --text-muted: #6B7280;
  --border-color: #3A3F4B;
  --radius: 10px;
  --radius-sm: 8px;
  --sidebar-width: 240px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  background: #1a1d24;
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

/* Overview container */
.overview {
  position: relative;
  width: 100%;
  max-width: 1440px;
  min-height: 1024px;
  background: var(--bg-primary);
  border-radius: var(--radius);
  display: flex;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  padding: 28px 16px 20px;
  border-right: 1px solid var(--border-color);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px 28px;
  font-weight: 700;
  font-size: 1.05rem;
}

.logo-icon {
  width: 28px;
  height: 28px;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}

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

.nav-item:hover {
  background: rgba(58, 111, 248, 0.1);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-blue);
  color: var(--text-primary);
}

.sidebar-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.rate-info {
  display: block;
  padding: 8px 16px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Main area */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-y: auto;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 32px 16px;
  border-bottom: 1px solid var(--border-color);
}

.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.search-box {
  flex: 1;
  max-width: 360px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 10px 18px;
}

.search-box svg {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-box input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

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

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.icon-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.icon-btn svg {
  width: 16px;
  height: 16px;
}

.status-badge {
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-checking { background: rgba(255, 193, 7, 0.15); color: #ffc107; }
.status-online { background: rgba(30, 203, 79, 0.15); color: var(--accent-green); }
.status-offline { background: rgba(229, 57, 53, 0.15); color: #ef9a9a; }

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
}

.user-profile svg {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #4a5568, #2d3748);
}

/* Content */
.content-section {
  padding: 24px 32px 32px;
}

.section-hidden {
  display: none;
}

/* Pages */
.page {
  display: none;
}

.page.active {
  display: block;
}

/* Crypto cards row */
.crypto-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.crypto-cards-3 {
  grid-template-columns: repeat(3, 1fr);
}

.crypto-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 18px 20px;
  border: 1px solid var(--border-color);
  transition: border-color 0.2s;
}

.crypto-card:hover {
  border-color: rgba(58, 111, 248, 0.4);
}

.crypto-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.crypto-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.crypto-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.crypto-icon.btc { background: rgba(247, 147, 26, 0.2); color: #f7931a; }
.crypto-icon.ltc { background: rgba(191, 187, 187, 0.2); color: #bfbbbb; }
.crypto-icon.eth { background: rgba(98, 126, 234, 0.2); color: #627eea; }
.crypto-icon.sol { background: rgba(153, 69, 255, 0.2); color: #9945ff; }
.crypto-icon.dot { background: rgba(230, 0, 122, 0.2); color: #e6007a; }
.crypto-icon.doge { background: rgba(196, 163, 0, 0.2); color: #c4a300; }
.crypto-icon.ton { background: rgba(0, 136, 204, 0.2); color: #0088cc; }

.futures-badge {
  display: inline-block;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(58, 111, 248, 0.25);
  color: var(--accent-blue);
  margin-left: 4px;
  vertical-align: middle;
}

.crypto-name {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.crypto-symbol {
  font-weight: 600;
  font-size: 0.95rem;
}

.crypto-change {
  font-size: 0.8rem;
  font-weight: 600;
}

.crypto-change.up { color: var(--accent-green); }
.crypto-change.down { color: var(--accent-orange); }

.crypto-price {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.crypto-sparkline {
  width: 100%;
  height: 40px;
}

.crypto-sparkline svg {
  width: 100%;
  height: 100%;
}

/* Dashboard grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 20px;
  align-items: start;
}

.left-column,
.right-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Wallet card */
.wallet-card {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-dark) 100%);
  border-radius: var(--radius);
  padding: 24px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.wallet-card::after {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.wallet-card-chip {
  width: 40px;
  height: 28px;
  border-radius: 4px;
  background: linear-gradient(135deg, #ffd700, #ffb300);
  opacity: 0.9;
}

.wallet-card-number {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin: 16px 0 8px;
}

.wallet-card-sub {
  font-size: 0.85rem;
  opacity: 0.85;
  margin-bottom: 8px;
}

.wallet-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  opacity: 0.9;
}

.wallet-brand {
  font-size: 1rem;
  font-weight: 800;
  font-style: italic;
}

/* Panels */
.panel {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border-color);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.panel-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Portfolio list */
.portfolio-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.portfolio-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 12px 8px;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}

.portfolio-item:hover {
  background: var(--bg-card-hover);
}

.portfolio-coin {
  display: flex;
  align-items: center;
  gap: 10px;
}

.portfolio-coin .crypto-icon {
  width: 32px;
  height: 32px;
  font-size: 0.65rem;
}

.portfolio-meta {
  text-align: right;
}

.portfolio-price {
  font-weight: 600;
  font-size: 0.875rem;
}

.portfolio-change {
  font-size: 0.75rem;
  font-weight: 500;
}

.portfolio-holdings {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: right;
}

/* Stats */
.panel-stats {
  min-height: 100%;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.stat-card {
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-card-wide {
  grid-column: 1 / -1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 700;
}

.stat-value-lg {
  font-size: 1.75rem;
}

.panel-signals {
  margin-top: 20px;
}

/* TradingView webhook */
.webhook-setup {
  margin-bottom: 20px;
}

.webhook-panel .panel-header {
  align-items: flex-start;
  margin-bottom: 16px;
}

.webhook-mode-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

.webhook-mode-test {
  background: rgba(255, 167, 38, 0.15);
  color: var(--accent-orange);
}

.webhook-mode-live {
  background: rgba(76, 175, 80, 0.15);
  color: var(--accent-green);
}

.webhook-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 16px;
}

.webhook-field label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.webhook-copy-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.webhook-code {
  flex: 1;
  display: block;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.78rem;
  color: var(--accent-blue);
  word-break: break-all;
  line-height: 1.4;
}

.webhook-code-block {
  white-space: pre-wrap;
}

.webhook-steps {
  margin: 0 0 16px 18px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

.webhook-test-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* Chart */
.panel-chart {
  padding-bottom: 12px;
}

.chart-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.chart-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chart-select {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 6px 12px;
  font-size: 0.8rem;
  outline: none;
  cursor: pointer;
}

.chart-price {
  font-size: 1.25rem;
  font-weight: 700;
  margin-left: auto;
}

.timeframe-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.tf-btn {
  border: none;
  background: none;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.tf-btn:hover {
  color: var(--text-primary);
}

.tf-btn.active {
  background: var(--accent-blue);
  color: var(--text-primary);
}

#price-chart {
  width: 100%;
  height: 400px;
  display: block;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
}

.market-table {
  width: 100%;
  border-collapse: collapse;
}

.market-table th {
  text-align: left;
  padding: 10px 12px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.market-table td {
  padding: 14px 12px;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border-color);
}

.market-table tr:last-child td {
  border-bottom: none;
}

.market-table tr:hover td {
  background: var(--bg-card-hover);
}

.coin-cell {
  display: flex;
  align-items: center;
  gap: 10px;
}

.coin-cell .crypto-icon {
  width: 28px;
  height: 28px;
  font-size: 0.6rem;
}

.positive { color: var(--accent-green); }
.negative { color: var(--accent-orange); }

.empty {
  text-align: center;
  color: var(--text-muted);
  padding: 32px !important;
}

.btn-text {
  background: none;
  border: none;
  color: var(--accent-blue);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-text:hover {
  text-decoration: underline;
}

/* Signals log */
.signals-log {
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: "Courier New", monospace;
  font-size: 0.8rem;
  max-height: 400px;
  overflow-y: auto;
  line-height: 1.8;
}

.signal-line {
  color: var(--accent-green);
  padding: 2px 0;
}

.signal-line.buy { color: var(--accent-green); }
.signal-line.sell { color: var(--accent-orange); }

/* Responsive */
@media (max-width: 1200px) {
  .crypto-cards,
  .crypto-cards-3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

/* Settings */
.settings-global {
  margin-bottom: 20px;
}

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

.settings-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.bots-settings-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.bot-settings-card .panel-header {
  align-items: flex-start;
}

.bot-settings-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bot-settings-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.bot-status {
  font-size: 0.75rem;
  font-weight: 600;
}

.bot-status.on { color: var(--accent-green); }
.bot-status.off { color: var(--accent-orange); }

.bot-price-now {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

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

.form-field label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.form-field input,
.form-field select {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 10px 12px;
  font-size: 0.9rem;
  outline: none;
}

.form-field input:focus,
.form-field select:focus {
  border-color: var(--accent-blue);
}

.field-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
}

.toggle-input {
  display: none;
}

.toggle-switch {
  width: 44px;
  height: 24px;
  background: #4a4f5a;
  border-radius: 12px;
  position: relative;
  flex-shrink: 0;
  transition: background 0.2s;
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle-input:checked + .toggle-switch {
  background: var(--accent-blue);
}

.toggle-input:checked + .toggle-switch::after {
  transform: translateX(20px);
}

.settings-hint {
  margin-top: 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.settings-hint.warning {
  color: #ffc107;
}

.settings-section-title {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 18px 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.risk-title {
  color: var(--accent-blue);
}

.bot-logic-hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: var(--bg-primary);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  line-height: 1.5;
}

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

.risk-card {
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  padding: 16px;
  border: 1px solid var(--border-color);
}

.risk-card.risk-sl {
  border-color: rgba(244, 109, 34, 0.4);
}

.risk-card.risk-tp {
  border-color: rgba(30, 203, 79, 0.4);
}

.risk-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.risk-card-header strong {
  flex: 1;
}

.risk-icon {
  font-size: 1.2rem;
}

.risk-example {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 10px;
}

.risk-example .sl-price { color: var(--accent-orange); font-weight: 600; }
.risk-example .tp-price { color: var(--accent-green); font-weight: 600; }

.toggle-mini {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.settings-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.settings-error {
  border: 1px solid var(--accent-orange);
  padding: 20px;
}

.settings-error code {
  display: block;
  background: var(--bg-primary);
  padding: 10px;
  border-radius: 6px;
  margin: 10px 0;
  font-size: 0.8rem;
  color: var(--accent-green);
}

@media (max-width: 900px) {
  .risk-box {
    grid-template-columns: 1fr;
  }
}

.btn {
  border: none;
  border-radius: var(--radius-sm);
  padding: 9px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: white;
}

.btn-primary { background: var(--accent-blue); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn:hover { opacity: 0.9; }

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--accent-blue);
  color: white;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s;
  z-index: 9999;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1200px) {
  .settings-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .settings-grid,
  .settings-grid-3 {
    grid-template-columns: 1fr;
  }

  .bot-settings-actions {
    flex-direction: column;
    width: 100%;
  }
}

@media (max-width: 768px) {
  body {
    padding: 0;
  }

  .overview {
    border-radius: 0;
    min-height: 100vh;
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    min-width: unset;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 12px;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .logo {
    padding: 0 8px 0;
  }

  .nav {
    flex-direction: row;
    flex-wrap: wrap;
    flex: unset;
  }

  .nav-item span,
  .sidebar-bottom {
    display: none;
  }

  .nav-item {
    padding: 10px;
  }

  .crypto-cards,
  .crypto-cards-3 {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-wrap: wrap;
    padding: 16px;
  }

  .search-box {
    order: 3;
    max-width: 100%;
    flex-basis: 100%;
  }

  .content-section {
    padding: 16px;
  }
}