:root {
    --bg: #0a0a0f;
    --bg2: #111118;
    --bg3: #1a1a24;
    --border: rgba(255,255,255,0.07);
    --purple: #7c3aed;
    --purple-light: #8b5cf6;
    --purple-dark: #6d28d9;
    --text: #f0f0f5;
    --muted: #888;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
}

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

body {
    font-family: 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

a { text-decoration: none; color: inherit; }

.layout { display: flex; min-height: 100vh; }

/* SIDEBAR */
.sidebar {
    width: 240px;
    background: var(--bg2);
    border-right: 1px solid var(--border);
    padding: 25px 15px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar .logo { padding: 0 10px 25px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.sidebar .logo h2 { font-size: 18px; font-weight: 700; }
.sidebar .logo span { color: var(--purple); }
.sidebar .logo p { font-size: 11px; color: var(--muted); margin-top: 3px; }

.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    color: var(--muted);
    border-radius: 8px;
    margin-bottom: 3px;
    font-size: 14px;
    transition: all 0.2s;
}

.sidebar nav a:hover,
.sidebar nav a.active {
    background: rgba(124,58,237,0.15);
    color: var(--text);
}

.sidebar nav a.active { border-left: 3px solid var(--purple); }
.sidebar .nav-section { font-size: 10px; color: var(--muted); text-transform: uppercase; padding: 15px 12px 5px; letter-spacing: 1px; }

/* MAIN */
.main { margin-left: 240px; padding: 30px; flex: 1; }

/* TOPBAR */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}
.topbar h1 { font-size: 20px; font-weight: 600; }
.topbar .user-info { display: flex; align-items: center; gap: 15px; font-size: 13px; color: var(--muted); }
.topbar .user-info a { color: var(--danger); font-size: 13px; }

/* CARDS */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 25px; }
.stat-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}
.stat-card .label { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.stat-card .value { font-size: 28px; font-weight: 700; color: var(--purple-light); }
.stat-card .sub { font-size: 11px; color: var(--muted); margin-top: 4px; }

/* TABLE */
.card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.card-header h3 { font-size: 14px; font-weight: 600; }
.card-body { padding: 20px; }

table { width: 100%; border-collapse: collapse; }
thead th {
    padding: 10px 16px;
    text-align: left;
    font-size: 11px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg3);
}
tbody td { padding: 12px 16px; font-size: 13px; border-top: 1px solid var(--border); }
tbody tr:hover { background: var(--bg3); }

/* BADGES */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}
.badge-success { background: rgba(16,185,129,0.15); color: var(--success); }
.badge-danger { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-purple { background: rgba(124,58,237,0.15); color: var(--purple-light); }
.badge-gray { background: rgba(255,255,255,0.05); color: var(--muted); }

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background: var(--purple);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.btn:hover { background: var(--purple-dark); }
.btn-sm { padding: 6px 14px; font-size: 12px; border-radius: 6px; }
.btn-outline { background: transparent; border: 1px solid var(--purple); color: var(--purple-light); }
.btn-outline:hover { background: rgba(124,58,237,0.1); }
.btn-success { background: var(--success); }
.btn-danger { background: var(--danger); }
.btn-block { width: 100%; }

/* FORMS */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--purple); }
.form-group select option { background: var(--bg2); }
.form-group textarea { resize: vertical; min-height: 90px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ALERTS */
.alert { padding: 12px 16px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; }
.alert-success { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3); color: var(--success); }
.alert-danger { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: var(--danger); }

/* AUTH PAGES */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #0a0a0f, #1a1040, #0a0a0f); }
.auth-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 16px; padding: 40px; width: 100%; max-width: 440px; }
.auth-card .logo { text-align: center; margin-bottom: 30px; }
.auth-card .logo h1 { font-size: 26px; font-weight: 700; }
.auth-card .logo span { color: var(--purple); }
.auth-card .logo p { color: var(--muted); font-size: 13px; margin-top: 5px; }

/* STEPS */
.steps { display: flex; gap: 0; margin-bottom: 30px; }
.step { flex: 1; text-align: center; position: relative; }
.step-num { width: 32px; height: 32px; border-radius: 50%; background: var(--bg3); border: 2px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; margin: 0 auto 6px; }
.step.active .step-num { background: var(--purple); border-color: var(--purple); }
.step.done .step-num { background: var(--success); border-color: var(--success); }
.step-label { font-size: 11px; color: var(--muted); }
.step.active .step-label { color: var(--text); }
.step::after { content: ''; position: absolute; top: 16px; left: 60%; width: 80%; height: 2px; background: var(--border); z-index: -1; }
.step:last-child::after { display: none; }

/* EMPTY STATE */
.empty-state { text-align: center; padding: 50px 20px; color: var(--muted); }
.empty-state .icon { font-size: 40px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

/* LOADER */
.loader { text-align: center; padding: 30px; color: var(--muted); font-size: 14px; }

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .main { margin-left: 0; padding: 20px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
}