:root {
  --bg-main: #0c0f17;
  --bg-sidebar: #131824;
  --bg-card: #192030;
  --bg-card-hover: #20293d;
  --border-color: #263147;
  --text-main: #f0f4f8;
  --text-muted: #8b9bb4;
  --accent-gold: #f5b041;
  --accent-cyan: #00d2d3;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --sidebar-width: 250px;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}

/* App Container Layout */
.app-container {
  display: flex;
  width: 100vw;
  min-height: 100vh;
}

/* Vertical Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-cyan));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: #000;
  font-size: 18px;
}

.sidebar-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
}

.sidebar-subtitle {
  font-size: 11px;
  color: var(--text-muted);
}

.sidebar-nav {
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
}

.nav-item:hover {
  background-color: var(--bg-card);
  color: #fff;
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(245, 176, 65, 0.15), rgba(0, 210, 211, 0.1));
  color: var(--accent-gold);
  border-left: 3px solid var(--accent-gold);
  font-weight: 600;
}

.nav-item svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
}

/* Main Content Area */
.main-wrapper {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Header & Informers */
.top-header {
  background-color: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 90;
}

.informers-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.informer-chip {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
}

.informer-chip strong {
  color: var(--text-main);
}

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

.status-dot.active {
  box-shadow: 0 0 8px var(--accent-green);
}

.status-dot.paused {
  background-color: var(--accent-gold);
}

.status-dot.error {
  background-color: var(--accent-red);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-bot-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.2s;
}

.btn-bot-toggle.start {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.4);
}

.btn-bot-toggle.stop {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #fff;
  box-shadow: 0 2px 10px rgba(239, 68, 68, 0.4);
}

.btn-bot-toggle:active {
  transform: scale(0.97);
}

/* Page Content */
.content-area {
  padding: 28px;
  flex: 1;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.25s ease;
}

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

/* Cards Grid */
.grid-cards-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.card-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.card-value {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
}

.card-subtext {
  font-size: 12px;
  margin-top: 6px;
  color: var(--text-muted);
}

.text-green { color: var(--accent-green) !important; }
.text-red { color: var(--accent-red) !important; }
.text-gold { color: var(--accent-gold) !important; }
.text-cyan { color: var(--accent-cyan) !important; }

/* Token Strategy Cards */
.token-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 28px;
}

.token-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}

.token-card:hover {
  border-color: var(--accent-gold);
}

.token-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.token-name {
  font-size: 18px;
  font-weight: 700;
}

.token-price {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-gold);
}

.token-badge {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.token-badge.active {
  background-color: rgba(16, 185, 129, 0.2);
  color: var(--accent-green);
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-control:focus {
  border-color: var(--accent-gold);
}

/* Buttons */
.btn {
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-gold), #e67e22);
  color: #000;
}

.btn-secondary {
  background-color: var(--bg-card-hover);
  color: #fff;
  border: 1px solid var(--border-color);
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  margin-top: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
  background-color: var(--bg-card);
}

.data-table th {
  background-color: var(--bg-sidebar);
  color: var(--text-muted);
  padding: 14px 16px;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(38, 49, 71, 0.5);
  color: var(--text-main);
}

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

.badge-tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
}

.badge-long { background: rgba(16, 185, 129, 0.2); color: var(--accent-green); }
.badge-short { background: rgba(239, 68, 68, 0.2); color: var(--accent-red); }
.badge-tp { background: rgba(245, 176, 65, 0.2); color: var(--accent-gold); }

/* Recommendation Box */
.recommendation-box {
  background: linear-gradient(135deg, rgba(0, 210, 211, 0.1), rgba(245, 176, 65, 0.05));
  border: 1px solid rgba(0, 210, 211, 0.3);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}

.recommendation-box h4 {
  color: var(--accent-cyan);
  margin-bottom: 10px;
  font-size: 15px;
}

.recommendation-box ul {
  padding-left: 20px;
  color: var(--text-main);
  font-size: 13px;
  line-height: 1.6;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(8px);
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.6);
}

/* Mobile Responsive */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  .main-wrapper {
    margin-left: 0;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .top-header {
    padding: 12px 16px;
  }
  .content-area {
    padding: 16px;
  }
  .grid-cards-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}