/* =========================================
   VanskyCryptos - Global Stylesheet
   ========================================= */

:root {
  --bg-primary: #050814;
  --bg-secondary: #0b1021;
  --card-bg: rgba(15, 23, 42, 0.6);
  --card-border: rgba(56, 189, 248, 0.1);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-blue: #38bdf8;
  --accent-purple: #8b5cf6;
  --gradient-primary: linear-gradient(135deg, #38bdf8 0%, #8b5cf6 100%);
  --shadow-glow: 0 0 20px rgba(56, 189, 248, 0.15);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background Grid Effect */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image: 
    linear-gradient(rgba(56, 189, 248, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: -1;
  pointer-events: none;
}

a { color: var(--accent-blue); text-decoration: none; transition: all 0.3s ease; }
a:hover { color: var(--accent-purple); }

/* =========================================
   Navigation
   ========================================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(5, 8, 20, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a { color: var(--text-secondary); font-weight: 500; }
.nav-links a:hover { color: var(--text-primary); }

.btn {
  padding: 0.6rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 5px 25px rgba(56, 189, 248, 0.3); color: white; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-primary);
}
.btn-outline:hover { border-color: var(--accent-blue); background: rgba(56, 189, 248, 0.05); color: var(--text-primary); }

.mobile-menu-btn { display: none; background: none; border: none; color: white; font-size: 1.5rem; cursor: pointer; }

/* =========================================
   Hero Section (Homepage)
   ========================================= */
.hero {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  max-width: 900px;
}

.hero h1 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 2.5rem;
}

.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

/* =========================================
   Cards & Sections
   ========================================= */
section { padding: 5rem 2rem; max-width: 1200px; margin: 0 auto; }

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.4s ease;
}

.glass-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-glow);
}

.glass-card .icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.glass-card h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.glass-card p { color: var(--text-secondary); }

/* =========================================
   Dashboard Specific Styles
   ========================================= */
.dashboard-container {
  max-width: 1400px;
  margin: 2rem auto;
  padding: 0 2rem;
}

.terminal-header {
  border-left: 4px solid var(--accent-blue);
  padding-left: 1rem;
  margin-bottom: 2rem;
}

.terminal-header h1 { font-size: 2rem; color: var(--accent-blue); }
.terminal-header p { color: var(--text-secondary); font-family: monospace; }

.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

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

.data-table th {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.data-table tr:hover { background: rgba(56, 189, 248, 0.03); }

.text-green { color: var(--accent-green); font-weight: 600; }
.text-red { color: var(--accent-red); font-weight: 600; }

/* =========================================
   Forms (Login/Signup)
   ========================================= */
.auth-container {
  min-height: 80vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.auth-card {
  width: 100%;
  max-width: 450px;
}

.auth-card h2 { margin-bottom: 0.5rem; font-size: 2rem; }
.auth-card .subtitle { color: var(--text-secondary); margin-bottom: 2rem; }

.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; color: var(--text-secondary); }

.form-group input {
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: border 0.3s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

.auth-footer { text-align: center; margin-top: 1.5rem; color: var(--text-secondary); }

/* =========================================
   Footer
   ========================================= */
footer {
  text-align: center;
  padding: 3rem 2rem;
  border-top: 1px solid var(--card-border);
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 4rem;
}

/* =========================================
   Responsive Design
   ========================================= */
@media (max-width: 768px) {
  .nav-links { 
    display: none; 
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--card-border);
  }
  .nav-links.active { display: flex; }
  .mobile-menu-btn { display: block; }
  
  .dashboard-grid { grid-template-columns: 1fr; }
  .data-table { font-size: 0.85rem; }
  .data-table th, .data-table td { padding: 0.75rem 0.5rem; }
}