/* Modern Sleek Dark Mode Design System */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --bg-color: #0b0f19;
  --panel-bg: rgba(22, 28, 45, 0.65);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.15);
  --secondary: #10b981;
  --secondary-glow: rgba(16, 185, 129, 0.15);
  --accent: #f43f5e;
  --accent-glow: rgba(244, 63, 94, 0.15);
  --warning: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.15);

  --font-display: 'Outfit', sans-serif;
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-color);
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.1) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition-smooth);
}

a:hover {
  color: #818cf8;
}

/* Layout */
.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--panel-border);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #818cf8 0%, #34d399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  font-weight: 500;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
  color: var(--text-secondary);
}

.nav-btn:hover, .nav-btn.active {
  background: var(--primary-glow);
  border-color: var(--primary);
  color: var(--text-primary);
  box-shadow: 0 0 15px var(--primary-glow);
}

/* Glassmorphism Panels */
.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: var(--transition-smooth);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 32px 0 rgba(99, 102, 241, 0.05);
}

/* Dashboard Grid */
.grid-cols-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

/* Turn Selector */
.turn-selector {
  display: flex;
  align-items: center;
  gap: 1rem;
}

select {
  background: var(--bg-color);
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  padding: 0.5rem 1.5rem;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  outline: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

select:focus {
  border-color: var(--primary);
}

/* Table styling */
.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th {
  padding: 1rem;
  font-family: var(--font-display);
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--panel-border);
}

td {
  padding: 1rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  vertical-align: middle;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-warm {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-cold {
  background: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-category {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--panel-border);
}

/* Value indicators */
.price-up {
  color: #10b981;
}
.price-down {
  color: #f43f5e;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-control {
  width: 100%;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-family: var(--font-sans);
  transition: var(--transition-smooth);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
  outline: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--panel-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Micro-animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animated-fade-in {
  animation: fadeIn 0.5s ease forwards;
}