/* ========================================
   RESET & BASE
======================================== */
body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
}

/* ========================================
   MAIN LAYOUT
======================================== */
.sak-container {
    display: flex;
    min-height: 100vh;
}

/* ========================================
   SIDEBAR MODERN
======================================== */
.sak-sidebar {
    width: 260px;
    background: linear-gradient(180deg, #0f172a, #1e293b);
    color: #fff;
    padding: 25px 20px;
    display: flex;
    flex-direction: column;
}

.sak-logo {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 30px;
}

.sak-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sak-menu li {
    padding: 12px 15px;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 8px;
    transition: 0.2s;
}

.sak-menu li:hover {
    background: rgba(255,255,255,0.1);
}

.sak-menu li.active {
    background: #2563eb;
}

/* ========================================
   CONTENT FULL WIDTH
======================================== */
.sak-content {
    flex: 1;
    padding: 40px;
    background: #f1f5f9;
}

/* ========================================
   CARD MODERN
======================================== */
.sak-card {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

/* ========================================
   TABLE
======================================== */
.sak-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.sak-table th {
    background: #f8fafc;
    padding: 12px;
    text-align: left;
}

.sak-table td {
    padding: 12px;
    border-top: 1px solid #eee;
}

/* ========================================
   FORM
======================================== */
.sak-form-group {
    margin-bottom: 15px;
}

.sak-select {
    width: 250px;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

.sak-input {
    width: 70px;
    padding: 8px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

/* ========================================
   BUTTON
======================================== */
.sak-btn {
    background: #2563eb;
    color: #fff;
    padding: 10px 18px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
}

.sak-btn:hover {
    background: #1d4ed8;
}

/* ========================================
   TOPBAR (MOBILE)
======================================== */
.sak-topbar {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: white;
    border-bottom: 1px solid #eee;
}

.sak-hamburger {
    font-size: 22px;
    cursor: pointer;
}

.sak-title {
    font-weight: bold;
}

/* ========================================
   OVERLAY
======================================== */
.sak-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.3);
    display: none;
    z-index: 998;
}

/* ========================================
   SIDEBAR MOBILE
======================================== */
@media (max-width: 768px) {

    .sak-topbar {
        display: flex;
    }

    .sak-sidebar {
        position: fixed;
        top: 0;
        left: -260px;
        height: 100%;
        width: 240px;
        z-index: 999;
        transition: all 0.3s ease;
    }

    .sak-sidebar.active {
        left: 0;
    }

    .sak-overlay.active {
        display: block;
    }

    .sak-content {
        padding: 10px;
    }
}