/* ═══════════════════════════════════════════════════
   DewaTrader Website — Design System
   v1.0 — Dark Premium Crypto Theme
   ═══════════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── CSS Variables ── */
:root {
  /* Colors */
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(17, 24, 39, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(255, 255, 255, 0.15);

  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --accent-blue: #6366f1;
  --accent-blue-hover: #818cf8;
  --accent-purple: #a855f7;
  --accent-green: #22c55e;
  --accent-red: #ef4444;
  --accent-yellow: #f59e0b;
  --accent-cyan: #06b6d4;

  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --gradient-green: linear-gradient(135deg, #22c55e 0%, #06b6d4 100%);
  --gradient-card: linear-gradient(135deg, rgba(99,102,241,0.1) 0%, rgba(168,85,247,0.05) 100%);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.3);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.4);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(99,102,241,0.15);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Sidebar */
  --sidebar-width: 260px;
}

/* ── Reset ── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover { color: var(--accent-blue-hover); }

img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: var(--font-sans); }
input, select, textarea { font-family: var(--font-sans); }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ── Animated Background ── */
.bg-particles {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.bg-particles::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(99,102,241,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(168,85,247,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(6,182,212,0.04) 0%, transparent 50%);
  animation: bgFloat 20s ease-in-out infinite;
}
@keyframes bgFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(2%, -1%) rotate(1deg); }
  66% { transform: translate(-1%, 2%) rotate(-1deg); }
}

/* ── Utility: Container ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ── Navigation ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  transition: all 0.3s;
}
.navbar.scrolled {
  padding: var(--space-sm) 0;
  background: rgba(10, 14, 26, 0.95);
}
.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}
.nav-links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
}
.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s;
  border-radius: 1px;
}
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  display: flex;
  gap: var(--space-sm);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  transition: all 0.3s;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(99,102,241,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99,102,241,0.4);
  color: white;
}
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-glass-hover);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--accent-blue);
  color: white;
}
.btn-green {
  background: var(--gradient-green);
  color: white;
  box-shadow: 0 4px 15px rgba(34,197,94,0.3);
}
.btn-green:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(34,197,94,0.4);
  color: white;
}
.btn-danger {
  background: var(--accent-red);
  color: white;
}
.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-1px);
  color: white;
}
.btn-sm { padding: 0.4rem 1rem; font-size: 0.8rem; }
.btn-lg { padding: 0.8rem 2rem; font-size: 1rem; }
.btn-xl { padding: 1rem 2.5rem; font-size: 1.1rem; }
.btn-block { width: 100%; }
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ── Glass Card ── */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
  transition: all 0.3s;
}
.glass-card:hover {
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-glow);
}
.glass-card-static {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
}

/* ── Stat Card ── */
.stat-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 80px; height: 80px;
  background: var(--gradient-primary);
  opacity: 0.05;
  border-radius: 0 0 0 80px;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  margin-top: var(--space-xs);
  line-height: 1.2;
}
.stat-change {
  font-size: 0.8rem;
  font-weight: 600;
  margin-top: var(--space-xs);
}
.stat-change.positive { color: var(--accent-green); }
.stat-change.negative { color: var(--accent-red); }

/* ── Forms ── */
.form-group {
  margin-bottom: var(--space-lg);
}
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all 0.3s;
}
.form-input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
  background: rgba(255,255,255,0.05);
}
.form-input::placeholder {
  color: var(--text-muted);
}
.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}
.form-error {
  font-size: 0.75rem;
  color: var(--accent-red);
  margin-top: var(--space-xs);
}

/* ── Alerts / Toast ── */
.alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.alert-success {
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  color: var(--accent-green);
}
.alert-error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.2);
  color: var(--accent-red);
}
.alert-warning {
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.2);
  color: var(--accent-yellow);
}
.alert-info {
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--accent-blue);
}

/* ── Toast Notification ── */
.toast-container {
  position: fixed;
  top: var(--space-xl);
  right: var(--space-xl);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.toast {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  min-width: 300px;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 4.7s forwards;
  box-shadow: var(--shadow-lg);
}
@keyframes toastIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes toastOut {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}

/* ── Table ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th {
  text-align: left;
  padding: var(--space-md);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-glass);
}
.data-table td {
  padding: var(--space-md);
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.data-table tr:hover td {
  background: rgba(255,255,255,0.02);
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-green { background: rgba(34,197,94,0.15); color: var(--accent-green); }
.badge-red { background: rgba(239,68,68,0.15); color: var(--accent-red); }
.badge-yellow { background: rgba(245,158,11,0.15); color: var(--accent-yellow); }
.badge-blue { background: rgba(99,102,241,0.15); color: var(--accent-blue); }
.badge-gray { background: rgba(156,163,175,0.15); color: var(--text-muted); }

/* ── Sidebar Layout (Dashboard) ── */
.app-layout {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-glass);
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.3s;
}
.sidebar-header {
  padding: var(--space-xl);
  border-bottom: 1px solid var(--border-glass);
}
.sidebar-nav {
  flex: 1;
  padding: var(--space-md);
  overflow-y: auto;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 0.7rem var(--space-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.2s;
  margin-bottom: 2px;
}
.sidebar-nav a:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}
.sidebar-nav a.active {
  background: rgba(99,102,241,0.1);
  color: var(--accent-blue);
}
.sidebar-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--border-glass);
}
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: var(--space-xl) var(--space-2xl);
  min-height: 100vh;
}
.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2xl);
}

/* ── Grid ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }

/* ── Section ── */
.section {
  padding: var(--space-3xl) 0;
}
.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-sm);
}
.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: var(--space-2xl);
}

/* ── Animations ── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease forwards;
}
.fade-in-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.2s; }
.fade-in-delay-3 { animation-delay: 0.3s; }
.fade-in-delay-4 { animation-delay: 0.4s; }

@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,0.1);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .container { padding: 0 var(--space-md); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; padding: var(--space-lg); }
  .section-title { font-size: 1.5rem; }
  .stat-value { font-size: 1.4rem; }
}

/* ── Auth Page Layout ── */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-xl);
}
.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  backdrop-filter: blur(10px);
}
.auth-logo {
  text-align: center;
  margin-bottom: var(--space-xl);
}
.auth-logo h1 {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.auth-logo p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: var(--space-xs);
}
.auth-footer {
  text-align: center;
  margin-top: var(--space-xl);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── Status Dot ── */
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.status-dot.online { background: var(--accent-green); box-shadow: 0 0 6px var(--accent-green); }
.status-dot.offline { background: var(--accent-red); }
.status-dot.pending { background: var(--accent-yellow); animation: pulse 1.5s infinite; }