:root {
    --bg-dark: #0f1014;
    --bg-card: #1a1c23;
    --primary: #d4af37; /* Gold L2 */
    --primary-hover: #b39020;
    --text-main: #e0e0e0;
    --text-muted: #8a8a8a;
    --border: #2d303e;
    --success: #2ecc71;
    --danger: #e74c3c;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Roboto', sans-serif; }

body { background-color: var(--bg-dark); color: var(--text-main); display: flex; flex-direction: column; min-height: 100vh; }

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

.container { max-width: 1100px; margin: 0 auto; padding: 20px; width: 100%; }

/* Header */
header { background: var(--bg-card); border-bottom: 1px solid var(--border); padding: 15px 0; }
.nav-flex { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 24px; font-weight: bold; color: var(--primary); text-transform: uppercase; letter-spacing: 2px; }

/* Cards */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 20px; margin-bottom: 20px; box-shadow: 0 4px 6px rgba(0,0,0,0.3); }
.card-title { color: var(--primary); font-size: 18px; margin-bottom: 15px; border-bottom: 1px solid var(--border); padding-bottom: 10px; }

/* Forms */
.form-group { margin-bottom: 15px; }
label { display: block; margin-bottom: 5px; color: var(--text-muted); }
input[type="text"], input[type="password"], input[type="number"], select {
    width: 100%; padding: 12px; background: #121318; border: 1px solid var(--border); color: #fff; border-radius: 4px; outline: none;
}
input:focus { border-color: var(--primary); }

/* Buttons */
.btn { display: inline-block; padding: 12px 24px; border-radius: 4px; font-weight: bold; cursor: pointer; border: none; transition: 0.3s; text-align: center; }
.btn-primary { background: var(--primary); color: #000; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-outline { border: 1px solid var(--border); color: var(--text-muted); }
.btn-outline:hover { border-color: var(--text-main); color: var(--text-main); }
.btn-block { width: 100%; }

/* Dashboard Grid */
.dashboard-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 30px; }
.stat-box { background: linear-gradient(145deg, var(--bg-card), #23262f); padding: 20px; border-radius: 8px; border-left: 4px solid var(--primary); }
.stat-value { font-size: 28px; font-weight: bold; color: #fff; }
.stat-label { color: var(--text-muted); font-size: 14px; }

/* Table */
.table-responsive { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--primary); }
.badge { padding: 4px 8px; border-radius: 4px; font-size: 12px; font-weight: bold; }
.badge-pending { background: #f39c12; color: #fff; }
.badge-paid { background: var(--success); color: #fff; }

/* Utilities */
.text-center { text-align: center; }
.mt-4 { margin-top: 20px; }
.alert { padding: 15px; background: rgba(231, 76, 60, 0.2); border: 1px solid var(--danger); color: #ffadad; border-radius: 4px; margin-bottom: 20px; }