:root {
    --bg: #0B0B1F;
    --card: #111133;
    --text: #ffffff;
    --accent1: #6C5CE7;
    --accent2: #FF4D8D;
}

body.light {
    --bg: #f5f5f5;
    --card: #ffffff;
    --text: #000000;
}

body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
}

/* SIDEBAR */
.sidebar {
    width: 230px;
    height: 100vh;
    position: fixed;
    background: var(--card);
    padding: 20px;
    transition: 0.3s;
    overflow: hidden;
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar h2 {
    font-size: 18px;
}

.sidebar a {
    display: block;
    color: #aaa;
    text-decoration: none;
    margin: 15px 0;
    font-size: 14px;
}

.sidebar a:hover {
    color: #fff;
}

/* MAIN */
.main {
    margin-left: 250px;
    padding: 30px;
    transition: 0.3s;
}

.main.full {
    margin-left: 90px;
}

/* TOP BAR */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.menu-btn {
    cursor: pointer;
    font-size: 20px;
}

/* CARDS */
.cards {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 20px;
}

.card {
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    padding: 20px;
    border-radius: 10px;
    color: #fff;
}

/* BUTTON */
.btn {
    padding: 10px 15px;
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    border: none;
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
}

/* TABLE */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
}

th, td {
    padding: 12px;
    border-bottom: 1px solid #333;
}

/* STATUS */
.status-paid {
    color: #00ff88;
    font-weight: bold;
}

.status-pending {
    color: red;
    font-weight: bold;
}

/* TOGGLE */
.toggle {
    cursor: pointer;
}