@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.8);
  --bg-card-hover: rgba(31, 41, 55, 0.9);
  --bg-input: rgba(17, 24, 39, 0.6);
  --border: rgba(75, 85, 99, 0.3);
  --border-focus: rgba(99, 102, 241, 0.5);
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.2);
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated gradient background */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(16, 185, 129, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(245, 158, 11, 0.04) 0%, transparent 50%);
  z-index: 0;
  pointer-events: none;
}

.container {
  max-width: 520px;
  margin: 0 auto;
  padding: 40px 20px;
  position: relative;
  z-index: 1;
}

/* Admin container wider */
.container.admin-mode { max-width: 800px; }

/* Header */
.header {
  text-align: center;
  margin-bottom: 32px;
}

.header .logo {
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--success));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.header .subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 400;
}

/* Navigation */
.nav-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 4px;
  margin-bottom: 24px;
  border: 1px solid var(--border);
}

.nav-tab {
  flex: 1;
  padding: 10px 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-tab:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-tab.active { background: var(--accent); color: white; box-shadow: 0 2px 8px var(--accent-glow); }

/* Cards */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.card:hover { border-color: rgba(99, 102, 241, 0.2); }

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title .icon { font-size: 18px; }

/* Inputs */
.input-group { margin-bottom: 16px; }

.input-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-field {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', monospace;
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}

.input-field:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.input-field::placeholder { color: var(--text-muted); }

textarea.input-field {
  min-height: 80px;
  resize: vertical;
  font-size: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #4f46e5);
  color: white;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
}

.btn-primary:active { transform: translateY(0); }

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover { background: var(--bg-card-hover); }

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: white;
}

.btn-danger {
  background: transparent;
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: 6px 12px;
  font-size: 12px;
  width: auto;
}

.btn-danger:hover { background: var(--error-bg); }

.btn-sm {
  padding: 8px 16px;
  font-size: 12px;
  width: auto;
}

.btn-row {
  display: flex;
  gap: 8px;
}

.btn-row .btn { flex: 1; }

/* Status message */
.status {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  margin-top: 16px;
  display: none;
  animation: fadeIn 0.3s ease;
}

.status.show { display: block; }
.status.success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(16,185,129,0.2); }
.status.error { background: var(--error-bg); color: var(--error); border: 1px solid rgba(239,68,68,0.2); }
.status.warning { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(245,158,11,0.2); }
.status.info { background: rgba(99,102,241,0.1); color: var(--accent-hover); border: 1px solid rgba(99,102,241,0.2); }

/* Log area */
.log-area {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-top: 16px;
  max-height: 200px;
  overflow-y: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  line-height: 1.6;
}

.log-area::-webkit-scrollbar { width: 4px; }
.log-area::-webkit-scrollbar-track { background: transparent; }
.log-area::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.log-entry { padding: 2px 0; }
.log-entry .time { color: var(--text-muted); margin-right: 8px; }
.log-entry.ok { color: var(--success); }
.log-entry.warn { color: var(--warning); }
.log-entry.err { color: var(--error); }
.log-entry.info { color: var(--text-secondary); }

/* Steps indicator */
.steps {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
}

.step {
  flex: 1;
  text-align: center;
  padding: 12px 8px;
  position: relative;
}

.step::after {
  content: '';
  position: absolute;
  top: 24px;
  right: -50%;
  width: 100%;
  height: 2px;
  background: var(--border);
}

.step:last-child::after { display: none; }

.step .step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 6px;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.step .step-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.step.active .step-num {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  box-shadow: 0 0 12px var(--accent-glow);
}

.step.active .step-label { color: var(--accent-hover); }

.step.done .step-num {
  background: var(--success);
  border-color: var(--success);
  color: white;
}

.step.done .step-label { color: var(--success); }

.step.done::after { background: var(--success); }

/* Section visibility */
.section { display: none; }
.section.active { display: block; animation: fadeIn 0.4s ease; }

/* Admin Table */
.table-wrap {
  overflow-x: auto;
  margin-top: 12px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.table th {
  text-align: left;
  padding: 10px 12px;
  background: rgba(0,0,0,0.3);
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 11px;
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(75, 85, 99, 0.15);
  color: var(--text-primary);
  font-family: 'JetBrains Mono', 'Inter', monospace;
}

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

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-error { background: var(--error-bg); color: var(--error); }
.badge-info { background: rgba(99,102,241,0.1); color: var(--accent-hover); }

/* Admin stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
}

.stat-card .stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent-hover);
}

.stat-card .stat-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Admin login */
.admin-login {
  max-width: 360px;
  margin: 60px auto;
}

/* Loading spinner */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* Responsive */
@media (max-width: 640px) {
  .container { padding: 20px 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Hide sections */
.hidden { display: none !important; }

/* Toast */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  z-index: 9999;
  animation: slideIn 0.3s ease;
  box-shadow: var(--shadow);
}

.toast.success { background: var(--success); color: white; }
.toast.error { background: var(--error); color: white; }

@keyframes slideIn { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }