:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white: #ffffff;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #e9ecef;
    color: var(--dark-color);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header & Nav */
header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
}

nav ul li a:hover {
    text-decoration: underline;
}

nav ul li a.active-top {
    background: rgba(255,255,255,0.2);
    padding: 5px 10px;
    border-radius: 4px;
}

/* Dashboard Cards */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    text-align: center;
}

.card h3 {
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
    text-transform: uppercase;
}

.card .value {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* Tables */
.table-container {
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

table th, table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

table th {
    background-color: var(--light-color);
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    transition: opacity 0.2s;
    font-weight: 600;
}

.btn:hover {
    opacity: 0.8;
}

.btn-primary { background-color: var(--primary-color); color: var(--white); }
.btn-success { background-color: var(--success-color); color: var(--white); }
.btn-danger { background-color: var(--danger-color); color: var(--white); }
.btn-warning { background-color: var(--warning-color); color: var(--dark-color); }
.btn-sm { padding: 5px 10px; font-size: 0.8rem; }

/* Forms */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

/* Badge */
.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-pending { background-color: var(--warning-color); color: var(--dark-color); }
.badge-selesai { background-color: var(--success-color); color: var(--white); }

/* Menu Toggle (Hamburger) */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--white);
}

/* Responsive Table to Card */
@media (max-width: 768px) {
    body {
        padding-bottom: 70px; /* Space for bottom nav */
    }

    .container {
        padding: 10px;
    }

    /* Header adjustments for Mobile */
    header {
        padding: 10px 0;
    }

    .nav-container {
        justify-content: space-between;
        padding: 0 20px;
    }

    .menu-toggle {
        display: block; /* Show hamburger on mobile */
    }

    nav {
        display: none; /* Hide default nav */
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--primary-color);
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        z-index: 1500;
    }

    nav.active {
        display: block; /* Show when toggled */
    }

    nav ul {
        flex-direction: column;
        padding: 10px 0;
    }

    nav ul li {
        margin: 0;
        width: 100%;
    }

    nav ul li a {
        display: block;
        padding: 15px 20px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    nav ul li a.active-top {
        background: rgba(255,255,255,0.2);
    }

    /* Bottom Navigation */
    .bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
        justify-content: space-around;
        padding: 10px 0;
        z-index: 2000;
    }

    .bottom-nav a {
        text-decoration: none;
        color: var(--secondary-color);
        font-size: 0.75rem;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 4px;
        flex: 1;
    }

    .bottom-nav a.active {
        color: var(--primary-color);
        font-weight: bold;
    }

    .bottom-nav i {
        font-size: 1.2rem;
    }

    /* Dashboard Cards */
    .dashboard-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .card {
        padding: 15px 10px;
    }

    .card .value {
        font-size: 1.4rem;
    }

    /* Table to Card Transformation */
    .table-container {
        padding: 10px;
        background: transparent;
        box-shadow: none;
    }

    table, thead, tbody, th, td, tr {
        display: block;
    }

    thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }

    tr {
        background: var(--white);
        margin-bottom: 15px;
        border-radius: 8px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        padding: 10px;
        border: 1px solid #eee;
    }

    td {
        border: none;
        position: relative;
        padding-left: 50% !important;
        text-align: right !important;
        padding: 8px 5px !important;
    }

    td:before {
        position: absolute;
        top: 8px;
        left: 10px;
        width: 45%;
        padding-right: 10px;
        white-space: nowrap;
        text-align: left;
        font-weight: bold;
        content: attr(data-label);
        color: var(--secondary-color);
        font-size: 0.85rem;
    }

    /* Adjust specific buttons in cards */
    .btn-sm {
        width: 100%;
        margin-bottom: 5px;
        padding: 10px;
        font-size: 0.9rem;
    }

    .table-container h3 {
        padding-left: 5px;
        margin-bottom: 10px;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--white);
    margin: 10% auto;
    padding: 25px;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    position: relative;
    animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary-color);
}

/* Better Card UI for Mobile */
@media (max-width: 768px) {
    .modal-content {
        margin: 10% auto;
        padding: 18px;
        border-radius: 15px;
    }

    tr {
        padding: 10px 12px;
        border: none;
        box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        border-radius: 10px;
        background: #ffffff;
        margin-bottom: 12px;
        position: relative;
        overflow: hidden;
    }

    tr::before {
        content: "";
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 3px;
        background: var(--primary-color);
    }

    td {
        padding: 4px 5px !important;
        font-size: 0.85rem;
        min-height: 28px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    td:before {
        position: static;
        width: auto;
        padding-right: 10px;
        font-size: 0.8rem;
        color: #888;
    }

    td[data-label="Aksi"] {
        display: flex;
        gap: 6px;
        justify-content: flex-end;
        padding-top: 10px !important;
        border-top: 1px solid #f5f5f5;
        margin-top: 5px;
    }

    .btn-sm {
        border-radius: 6px;
        padding: 8px 10px;
        font-size: 0.8rem;
        font-weight: 600;
        flex: 1;
        text-align: center;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 4px;
    }

    .card {
        padding: 12px;
        border-radius: 12px;
        box-shadow: 0 2px 6px rgba(0,0,0,0.04);
    }
    
    .card h3 {
        font-size: 0.75rem;
        margin-bottom: 5px;
    }
    
    .card .value {
        font-size: 1.2rem;
    }

    .dashboard-grid {
        gap: 8px;
    }
    
    h2 {
        font-size: 1.3rem;
        margin-bottom: 15px !important;
    }
}

@media (max-width: 480px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}