/* 1. VARIABEL CSS UNTUK TEMA (THEMING) */
:root {
    /* Default: Light Mode */
    --bg-body: #f4f7f9;
    --bg-header: #ffffff;
    --bg-card: #ffffff;
    --color-text-primary: #1f2937;
    --color-text-secondary: #6b7280;
    --color-accent: #3b82f6;
    /* Biru Primer */
    --color-accent-hover: #1d4ed8;
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
    --theme-transition: 0.5s ease;
}

/* Dark Mode */
.dark-mode {
    --bg-body: #111827;
    --bg-header: #1f2937;
    --bg-card: #1f2937;
    --color-text-primary: #f3f4f6;
    --color-text-secondary: #9ca3af;
    --color-accent: #22c55e;
    /* Hijau neon */
    --color-accent-hover: #16a34a;
    --shadow-card: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
}

/* 2. BASE STYLES & TRANSITIONS */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: background-color var(--theme-transition), color var(--theme-transition), box-shadow var(--theme-transition);
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-body);
    color: var(--color-text-primary);
    min-height: 100vh;
}

/* 3. HEADER */
.header {
    background-color: var(--bg-header);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
}

.header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-primary);
    flex-grow: 1;
    /* Membuat h1 mengisi ruang yang tersedia */
    text-align: center;
    /* Menengahkan teks di dalam h1 */
    transition: color var(--theme-transition);
}

.header-logo {
    height: 40px;
    margin-right: 20px;
    object-fit: contain;
    /* Agar logo tidak gepeng */
}

.header-controls {
    display: flex;
    align-items: center;
}

#logout-button {
    background-color: #ef4444;
    /* Red */
    color: white;
    border: none;
    padding: 10px 15px;
    margin-left: 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

#logout-button:hover {
    background-color: #dc2626;
    /* Darker Red */
    transform: translateY(-2px);
}


/* Tombol Toggle Tema */
.theme-toggle button {
    background-color: var(--color-accent);
    color: white;
    border: none;
    padding: 10px 15px;
    margin-left: 10px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.theme-toggle button:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    /* Animasi angkat */
}

/* 4. MAIN CONTENT & GRID CARD MENU */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px 30px;
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

/* CARD MENU STYLES */
.menu-card {
    background-color: var(--bg-card);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-card);
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.27), box-shadow 0.3s ease;
    /* Animasi spring/bounce */
    text-decoration: none;
    color: inherit;
    border: 2px solid transparent;
    /* Untuk efek border saat hover */
}

/* ANIMASI CARD HOVER (Memanjakan Mata) */
.menu-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--color-accent);
}

.menu-card i {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: 15px;
    display: block;
    transition: transform 0.3s ease, color 0.3s ease;
}

.menu-card:hover i {
    transform: rotate(5deg) scale(1.1);
    /* Animasi putar ringan */
}

.menu-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.menu-card p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* 5. KONTEN DETAIL (SImulasi Halaman Kedua) */
.detail-card {
    background-color: var(--bg-card);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-card);
    min-height: 400px;
}

.back-button {
    display: inline-flex;
    align-items: center;
    background: none;
    border: none;
    color: var(--color-accent);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 20px;
    transition: color 0.2s ease, transform 0.2s ease;
}

.back-button:hover {
    color: var(--color-accent-hover);
    transform: translateX(-5px);
}

.back-button i {
    margin-right: 8px;
}

/* 6. RESPONSIFITAS */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: center;
        /* Pusatkan item saat vertikal */
    }

    .header-logo {
        margin-right: 0;
        margin-bottom: 15px;
    }

    .header h1 {
        margin-bottom: 15px;
        text-align: center;
        /* Pastikan judul tetap di tengah */
    }

    .menu-grid {
        grid-template-columns: 1fr;
    }

    .main-content {
        padding: 0 15px 15px;
    }
}

/* 7. Login Screen Styles */
body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-box {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-card);
    text-align: center;
    width: 100%;
    max-width: 400px;
}

.login-logo {
    height: 60px;
    margin-bottom: 20px;
}

.login-box h2 {
    margin-bottom: 10px;
    color: var(--color-text-primary);
}

.login-box p {
    margin-bottom: 30px;
    color: var(--color-text-secondary);
}

.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
}

#role-input,
#password-input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 1px solid #ccc;
    border-radius: 8px;
    background-color: var(--bg-body);
    color: var(--color-text-primary);
    font-size: 1rem;
}

#login-button {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 8px;
    background-color: var(--color-accent);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

#login-button:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
}

.login-error {
    color: #ef4444;
    margin-top: 15px;
    height: 20px;
    font-size: 0.9rem;
}

/* Animasi Shake untuk Error */
@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    10%,
    30%,
    50%,
    70%,
    90% {
        transform: translateX(-5px);
    }

    20%,
    40%,
    60%,
    80% {
        transform: translateX(5px);
    }
}

.shake {
    animation: shake 0.5s ease-in-out;
}