/* ═══════════════════════════════════════════════════════════
   RDR SYS — Design System
   Premium dark theme with glassmorphism
   ═══════════════════════════════════════════════════════════ */

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(30, 41, 59, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.3);
    --green: #10b981;
    --green-glow: rgba(16, 185, 129, 0.3);
    --amber: #f59e0b;
    --amber-glow: rgba(245, 158, 11, 0.3);
    --red: #ef4444;
    --red-glow: rgba(239, 68, 68, 0.3);
    --purple: #8b5cf6;
    --sidebar-w: 240px;
    --radius: 12px;
    --radius-sm: 8px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --mono: 'JetBrains Mono', monospace;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body { height: 100%; }

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 3px; }

/* ─── Login Screen ─── */
.login-screen {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0a0e1a 0%, #1a1040 50%, #0a0e1a 100%);
}

.login-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 48px 40px;
    width: 400px;
    text-align: center;
    animation: fadeUp 0.5s ease;
}

.login-logo .logo-icon { font-size: 48px; margin-bottom: 12px; }
.login-logo h1 { font-size: 28px; font-weight: 800; letter-spacing: 2px; background: linear-gradient(135deg, var(--accent), var(--purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.login-logo p { color: var(--text-muted); font-size: 13px; margin-top: 4px; letter-spacing: 1px; text-transform: uppercase; }

.input-group { text-align: left; margin: 28px 0 20px; }
.input-group label { display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: 8px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.input-group input {
    width: 100%; padding: 14px 16px; background: var(--bg-glass);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    color: var(--text-primary); font-size: 15px; font-family: var(--font);
    transition: var(--transition); outline: none;
}
.input-group input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }

/* ─── Buttons ─── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 24px; border: none; border-radius: var(--radius-sm);
    font-family: var(--font); font-size: 14px; font-weight: 600;
    cursor: pointer; transition: var(--transition); text-decoration: none;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), #2563eb); color: white; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px var(--accent-glow); }
.btn-success { background: linear-gradient(135deg, var(--green), #059669); color: white; }
.btn-danger { background: linear-gradient(135deg, var(--red), #dc2626); color: white; }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--border-hover); color: var(--text-primary); background: var(--bg-glass); }
.btn-sm { padding: 8px 16px; font-size: 12px; }
.btn-full { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ─── App Layout ─── */
.app { display: flex; height: 100vh; }

/* ─── Sidebar ─── */
.sidebar {
    width: var(--sidebar-w); height: 100vh; position: fixed; left: 0; top: 0;
    background: var(--bg-secondary); border-right: 1px solid var(--border);
    display: flex; flex-direction: column; z-index: 100;
    transition: var(--transition);
}
.sidebar-header { display: flex; align-items: center; gap: 12px; padding: 24px 20px; border-bottom: 1px solid var(--border); }
.logo-icon-sm { font-size: 24px; }
.sidebar-title { font-size: 16px; font-weight: 800; letter-spacing: 2px; background: linear-gradient(135deg, var(--accent), var(--purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.nav-list { list-style: none; padding: 12px 8px; flex: 1; overflow-y: auto; }
.nav-link {
    display: flex; align-items: center; gap: 12px; padding: 12px 16px;
    color: var(--text-secondary); text-decoration: none; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 500; transition: var(--transition); margin-bottom: 2px;
}
.nav-link:hover { background: var(--bg-glass); color: var(--text-primary); }
.nav-link.active { background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(139,92,246,0.1)); color: var(--accent); border: 1px solid rgba(59,130,246,0.2); }
.nav-icon { font-size: 18px; width: 24px; text-align: center; }
.sidebar-footer { padding: 16px; border-top: 1px solid var(--border); }

/* ─── Main Content ─── */
.main-content { margin-left: var(--sidebar-w); flex: 1; padding: 32px; overflow-y: auto; min-height: 100vh; }

/* ─── Page Header ─── */
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }
.page-header h2 { font-size: 24px; font-weight: 700; }
.page-header p { color: var(--text-muted); font-size: 14px; margin-top: 4px; }

/* ─── Cards ─── */
.card {
    background: var(--bg-card); backdrop-filter: blur(12px);
    border: 1px solid var(--border); border-radius: var(--radius);
    padding: 24px; transition: var(--transition);
}
.card:hover { border-color: var(--border-hover); }

/* ─── Stat Cards Grid ─── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat-card { position: relative; overflow: hidden; }
.stat-card .stat-icon { font-size: 32px; margin-bottom: 12px; }
.stat-card .stat-value { font-size: 32px; font-weight: 800; line-height: 1; }
.stat-card .stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-top: 8px; }
.stat-card::after { content: ''; position: absolute; top: -50%; right: -50%; width: 100%; height: 100%; background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%); opacity: 0.05; pointer-events: none; }
.stat-card.green .stat-value { color: var(--green); }
.stat-card.green::after { background: radial-gradient(circle, var(--green-glow) 0%, transparent 70%); }
.stat-card.amber .stat-value { color: var(--amber); }
.stat-card.red .stat-value { color: var(--red); }
.stat-card.purple .stat-value { color: var(--purple); }

/* ─── Tables ─── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th { text-align: left; padding: 12px 16px; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); border-bottom: 1px solid var(--border); font-weight: 600; }
tbody td { padding: 14px 16px; border-bottom: 1px solid var(--border); }
tbody tr { transition: var(--transition); }
tbody tr:hover { background: var(--bg-glass); }

/* ─── Badges ─── */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.badge-active { background: rgba(16,185,129,0.15); color: var(--green); }
.badge-burned { background: rgba(239,68,68,0.15); color: var(--red); }
.badge-expiring { background: rgba(245,158,11,0.15); color: var(--amber); }
.badge-paused { background: rgba(100,116,139,0.15); color: var(--text-muted); }
.badge-generating { background: rgba(59,130,246,0.15); color: var(--accent); }
.badge-inactive { background: rgba(100,116,139,0.1); color: var(--text-muted); }

/* ─── Forms in Modals ─── */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 14px; background: var(--bg-glass);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    color: var(--text-primary); font-size: 14px; font-family: var(--font);
    transition: var(--transition); outline: none;
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.form-group select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.form-group select option { background: var(--bg-secondary); color: var(--text-primary); }

/* ─── Modal ─── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; z-index: 1000; animation: fadeIn 0.15s ease; }
.modal { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius); width: 520px; max-width: 90vw; max-height: 85vh; overflow-y: auto; animation: fadeUp 0.2s ease; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.modal-header h3 { font-size: 18px; font-weight: 600; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 24px; cursor: pointer; padding: 4px; line-height: 1; transition: var(--transition); }
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 12px; }

/* ─── Toast ─── */
.toast-container { position: fixed; top: 24px; right: 24px; z-index: 2000; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 14px 20px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 500; animation: slideIn 0.3s ease; backdrop-filter: blur(12px); border: 1px solid var(--border); max-width: 400px; }
.toast-success { background: rgba(16,185,129,0.15); color: var(--green); border-color: rgba(16,185,129,0.3); }
.toast-error { background: rgba(239,68,68,0.15); color: var(--red); border-color: rgba(239,68,68,0.3); }
.toast-info { background: rgba(59,130,246,0.15); color: var(--accent); border-color: rgba(59,130,246,0.3); }

/* ─── Generator ─── */
.generator-panel { max-width: 700px; }
.generator-panel .card { margin-bottom: 20px; }
.result-box { margin-top: 20px; padding: 16px; background: var(--bg-glass); border: 1px solid var(--green); border-radius: var(--radius-sm); }
.result-box .result-label { font-size: 12px; color: var(--green); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.result-box .result-url { font-family: var(--mono); font-size: 13px; word-break: break-all; color: var(--text-primary); user-select: all; background: rgba(0,0,0,0.3); padding: 12px; border-radius: 6px; }
.copy-btn { margin-top: 10px; }

.progress-steps { display: flex; flex-direction: column; gap: 8px; margin: 16px 0; }
.progress-step { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-muted); }
.progress-step.active { color: var(--accent); }
.progress-step.done { color: var(--green); }
.progress-step .step-icon { width: 20px; text-align: center; }

/* ─── Vendor Cards ─── */
.vendor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.vendor-card { cursor: pointer; }
.vendor-card:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.3); }
.vendor-card .vendor-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.vendor-card .vendor-icon { font-size: 28px; }
.vendor-card .vendor-name { font-size: 16px; font-weight: 600; }
.vendor-card .vendor-stats { display: flex; gap: 16px; font-size: 13px; color: var(--text-muted); }

/* ─── Activity Feed ─── */
.activity-feed { max-height: 400px; overflow-y: auto; }
.activity-item { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.activity-item:last-child { border-bottom: none; }
.activity-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-top: 6px; flex-shrink: 0; }
.activity-time { color: var(--text-muted); font-size: 11px; margin-top: 4px; }

/* ─── Empty State ─── */
.empty-state { text-align: center; padding: 48px 24px; color: var(--text-muted); }
.empty-state .empty-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.5; }
.empty-state p { font-size: 14px; }

/* ─── Utility ─── */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.text-mono { font-family: var(--mono); }
.text-sm { font-size: 13px; }
.text-muted { color: var(--text-muted); }
.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-amber { color: var(--amber); }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 300px; }
.error-text { color: var(--red); font-size: 13px; margin-top: 12px; text-align: center; }

/* ─── Animations ─── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.pulse { animation: pulse 2s infinite; }

/* ─── Section Headers ─── */
.section-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 1100px) { .section-grid { grid-template-columns: 1fr; } }