:root {
    --bg-dark: #0b0e14;
    --card-bg: #151921;
    --primary-blue: #2541b2;
    --text-main: #ffffff;
    --text-secondary: #9ba1a6;
    --accent-cyan: #4fc3f7;
    --danger: #ff4d4d;
    --success: #2ecc71;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
}

.sidebar {
    width: 250px;
    height: 100vh;
    background-color: var(--card-bg);
    position: fixed;
    padding: 20px;
}

.content {
    margin-left: 290px;
    padding: 40px;
}

.logo-section {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    margin-left: 10px;
}

.card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    color: var(--text-secondary);
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

td {
    padding: 15px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.btn {
    padding: 10px 20px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-weight: bold;
    transition: opacity 0.2s;
}

.btn-primary { background-color: var(--primary-blue); color: white; }
.btn-danger { background-color: var(--danger); color: white; }
.btn:hover { opacity: 0.8; }

input, select, textarea {
    background-color: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    color: white;
    padding: 12px;
    border-radius: 6px;
    width: 100%;
    margin-bottom: 15px;
    box-sizing: border-box;
}

.status-active { color: var(--success); }
.status-inactive { color: var(--danger); }