:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #121824;
  --card-bg: rgba(18, 24, 36, 0.7);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-glow: rgba(0, 210, 255, 0.05);

  --text-primary: #f0f4f8;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-purple: #7f00ff;
  --accent-green: #00e676;
  --accent-red: #ff5252;
  --accent-orange: #ff9100;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(79, 172, 254, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(127, 0, 255, 0.12) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(0, 242, 254, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-main);
  min-height: 100vh;
  line-height: 1.5;
}

/* Glassmorphism Common Style */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.glass-card:hover {
  box-shadow: 0 12px 40px 0 rgba(0, 242, 254, 0.08);
}

.hidden {
  display: none !important;
}

/* Modal Overlay & Login */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.login-box {
  width: 100%;
  max-width: 420px;
  padding: 2.5rem;
  text-align: center;
}

.brand-header {
  margin-bottom: 2rem;
}

.brand-logo {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: white;
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.4);
}

.brand-header h2 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.brand-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* App Container Layout */
.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* Top Navbar */
.top-navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.brand-icon {
  font-size: 1.5rem;
  color: var(--accent-cyan);
}

.brand-title {
  font-weight: 700;
  font-size: 1.2rem;
  margin-right: 0.5rem;
}

.brand-badge {
  background: rgba(0, 242, 254, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
}

.pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--accent-red);
}

.pulse-dot.running {
  background-color: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
}

.status-text {
  font-weight: 600;
  font-size: 0.85rem;
}

.ticker-box {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.ticker-price {
  font-weight: 700;
  color: var(--accent-cyan);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  padding: 1.2rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.stat-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.icon-blue { background: rgba(79, 172, 254, 0.15); color: var(--accent-blue); }
.icon-green { background: rgba(0, 230, 118, 0.15); color: var(--accent-green); }
.icon-purple { background: rgba(127, 0, 255, 0.15); color: var(--accent-purple); }
.icon-orange { background: rgba(255, 145, 0, 0.15); color: var(--accent-orange); }

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
}

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

/* Grid Rows */
.row-grid {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.grid-2-1 {
  grid-template-columns: 2fr 1fr;
}

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

@media (max-width: 992px) {
  .grid-2-1, .grid-1-1 {
    grid-template-columns: 1fr;
  }
}

/* Card Header */
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid var(--card-border);
}

.card-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chart-wrapper {
  padding: 1.5rem;
  height: 300px;
}

/* Control Panel */
.control-panel {
  padding: 0;
}

.control-actions {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.divider {
  height: 1px;
  background: var(--card-border);
}

.strategy-selector {
  padding: 1.2rem 1.5rem;
}

.strategy-selector label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.quick-info {
  padding: 0 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.85rem;
}

.info-row {
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
}

/* Tables */
.table-wrapper {
  padding: 0.5rem;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

.data-table th, .data-table td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.data-table th {
  color: var(--text-secondary);
  font-weight: 600;
}

/* Terminal Log */
.log-terminal {
  background: rgba(10, 14, 23, 0.9);
  padding: 1rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  height: 180px;
  overflow-y: auto;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.log-line {
  margin-bottom: 0.3rem;
}

/* Buttons & Inputs */
.btn {
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.btn-block { width: 100%; }
.btn-lg { padding: 0.9rem 1.5rem; font-size: 1rem; }
.btn-sm { padding: 0.3rem 0.7rem; font-size: 0.8rem; }

.btn-primary { background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple)); color: white; }
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-success { background: linear-gradient(135deg, #00c853, #00e676); color: #0a0e17; }
.btn-warning { background: rgba(255, 145, 0, 0.15); color: var(--accent-orange); border: 1px solid rgba(255, 145, 0, 0.3); }
.btn-danger { background: rgba(255, 82, 82, 0.15); color: var(--accent-red); border: 1px solid rgba(255, 82, 82, 0.3); }

.btn-outline { background: rgba(255, 255, 255, 0.05); color: var(--text-primary); border: 1px solid var(--card-border); }
.btn-outline:hover { background: rgba(255, 255, 255, 0.1); }

.form-control, .form-group input, .form-group select {
  width: 100%;
  padding: 0.7rem 1rem;
  background: rgba(10, 14, 23, 0.6);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.9rem;
  outline: none;
}

.form-control:focus, .form-group input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

.form-group {
  margin-bottom: 1.2rem;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.modal-box {
  width: 100%;
  max-width: 550px;
  padding: 2rem;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
}

.form-section {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 1rem;
}

.form-section h4 {
  font-size: 0.95rem;
  color: var(--accent-cyan);
  margin-bottom: 0.8rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.error-msg {
  color: var(--accent-red);
  font-size: 0.85rem;
  margin-top: 0.8rem;
}