/* ========================================= */
/* 1. SETUP GLOBAL, VARIABEL & RESET         */
/* ========================================= */
:root {
    /* --- PALET WARNA (LBB IMMANUEL THEME) --- */
    
    /* Primary (Hijau - Identitas Brand) */
    --primary: #28a745;
    --primary-dark: #218838;
    --primary-light: #d4edda;
    --primary-gradient: linear-gradient(135deg, #28a745 0%, #218838 100%);
    
    /* Secondary (Biru - Aksi/Navigasi) */
    --secondary: #007bff;
    --secondary-dark: #0069d9;
    --secondary-gradient: linear-gradient(135deg, #007bff 0%, #0069d9 100%);
    
    /* UI States */
    --danger: #dc3545;
    --warning: #ffc107;
    --success: #198754;
    
    /* Netral / Background */
    --bg-body: #f4f6f9;
    --bg-card: #ffffff;
    --text-main: #2c3e50;
    --text-muted: #6c757d;
    --border-color: #e9ecef;
    
    /* Dimensi Layout */
    --header-height: 60px;
    --toolbar-height: 50px;
    --footer-height: 70px;
    
    /* Typography (Dinamis via JS Font Resizer) */
    --base-size: 16px; 
    --font-heading: 'Nunito', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Shadow Effect */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 15px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
}

/* Reset Dasar */
*, *::before, *::after {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

html {
    font-size: var(--base-size);
    /* FIX ANDROID: Gunakan 100% untuk fallback */
    height: 100%;
}

body {
    margin: 0;
    /* FIX ANDROID: Gunakan 100dvh agar pas dengan address bar browser HP */
    height: 100vh;
    height: 100dvh; 
    display: flex;
    flex-direction: column;
    background-color: var(--bg-body);
    font-family: var(--font-body);
    color: var(--text-main);
    overflow: hidden; /* Mencegah scroll pada body utama */
}

/* FIX: Mencegah SweetAlert menggeser layout */
body.swal2-shown {
    height: 100vh !important;
    overflow: hidden !important;
    padding-right: 0 !important; 
}

/* Utility Visibility Classes */
.hidden-view { display: none !important; }
.active-view { 
    display: flex; 
    flex-direction: column; 
    height: 100%; 
    width: 100%; 
    overflow: hidden; /* Pastikan view tidak bocor */
}

/* Default Navigasi Visibility */
.btn-mobile-icon { display: none; }
.desktop-nav { display: flex; }


/* ========================================= */
/* 2. HALAMAN 1: LOGIN (Lengkap)             */
/* ========================================= */
#view-login {
    align-items: center;
    justify-content: center;
    position: relative;
    width: 100%;
    height: 100%;
    background-color: var(--bg-body);
    overflow-y: auto; /* Jaga-jaga kalau layar HP kecil banget */
}

/* Background Decoration */
.login-bg-wave {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--primary-gradient);
    border-bottom-left-radius: 50% 100px;
    border-bottom-right-radius: 50% 100px;
    z-index: 0;
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

/* Header Login (Logo & Judul) */
.login-header {
    text-align: center;
    margin-bottom: 25px;
    color: white;
}

.logo-circle {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px auto;
    font-size: 32px;
    color: var(--primary);
    box-shadow: var(--shadow-md);
}

.login-header h2 {
    margin: 0;
    font-weight: 800;
    font-family: var(--font-heading);
    letter-spacing: 1px;
    font-size: 1.8rem;
}

.login-header p {
    margin: 5px 0 0;
    font-size: 0.95rem;
    opacity: 0.9;
    font-weight: 300;
}

/* Kotak Form Login */
.login-form-box {
    background: white;
    padding: 35px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.login-form-box h3 {
    margin: 0 0 5px;
    font-family: var(--font-heading);
    color: var(--text-main);
    font-size: 1.4rem;
}

.subtitle {
    margin: 0 0 30px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Input Fields & Dropdowns */
.input-group {
    position: relative;
    margin-bottom: 20px;
    text-align: left;
}

.input-group input, 
.input-group select {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text-main);
    background-color: #f9fafb;
    transition: all 0.3s ease;
    appearance: none;
    -webkit-appearance: none;
}

.input-group select {
    cursor: pointer;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23999%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 15px top 50%;
    background-size: 12px auto;
}

.input-group input:focus, 
.input-group select:focus {
    border-color: var(--secondary);
    background-color: white;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
    pointer-events: none;
}

.toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--text-muted);
    padding: 5px;
}

/* Button Login */
.btn-login {
    width: 100%;
    padding: 14px;
    background: var(--secondary-gradient);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 123, 255, 0.4);
}

.btn-login:active {
    transform: translateY(0);
}

/* Footer Copyright Login */
.login-footer-text {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    font-size: 0.75rem;
    color: #999;
    font-family: var(--font-body);
}


/* ========================================= */
/* 3. HALAMAN 2: DATA PESERTA (FIXED ANDROID SCROLL) */
/* ========================================= */
.top-bar {
    background: var(--primary-gradient);
    padding: 0 20px;
    height: 60px;
    display: flex;
    align-items: center;
    color: white;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}
.top-bar .brand { 
    font-weight: 800; 
    font-size: 1.2rem; 
    letter-spacing: 0.5px; 
    font-family: var(--font-heading);
}

/* --- TAMPILAN DESKTOP (Kiri Lebar, Kanan Tetap) --- */
.container-data {
    flex: 1;
    padding: 30px;
    display: flex;
    gap: 25px;
    background-color: #eef2f5;
    overflow-y: auto !important; 
    -webkit-overflow-scrolling: touch; 
    /* FIX 1: Ganti stretch jadi flex-start biar tinggi bebas menyesuaikan isi masing-masing */
    align-items: flex-start; 
    justify-content: center;
    width: 100%;
}

/* KOTAK PUTIH UTAMA (PANEL KIRI) */
.card-info-wide {
    flex: 6; 
    background: white; 
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border-top: 5px solid var(--secondary);
    /* FIX 2: Biar kotak putih melar ke bawah ngebungkus semua teks */
    height: fit-content; 
}

.info-row-petunjuk {
    margin-top: 20px;
}

/* KOTAK PETUNJUK (TANPA BUNGKUS ABU-ABU) */
.petunjuk-box-wide {
    background: transparent; 
    border: none; 
    padding: 10px 0; 
}

.petunjuk-box-wide ul {
    margin: 0;
    padding-left: 20px;
    color: #444;
    line-height: 1.6;
}

.petunjuk-box-wide li {
    margin-bottom: 10px;
}

.petunjuk-box-wide table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
    background: white;
}

.petunjuk-box-wide table th, 
.petunjuk-box-wide table td {
    border: 1px solid #dee2e6;
    padding: 10px;
    text-align: left;
}

.petunjuk-box-wide table th {
    background-color: #eef2f5;
    font-weight: bold;
    color: #333;
}

/* KOTAK PUTIH UTAMA (PANEL KANAN) */
.card-input {
    flex: 4; 
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border-top: 5px solid var(--primary);
    height: fit-content; 
}

/* Kotak Info Standar */
h4 {
    margin: 0 0 25px;
    font-size: 1.1rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 15px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px dashed #ddd;
    padding: 12px 0;
}
.info-row:last-child { border-bottom: none; }
.info-row .label { color: var(--text-muted); font-weight: 600; }
.info-row .value { font-weight: bold; color: var(--text-main); }

/* Form Data */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
}
.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: 0.3s;
}
.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}
input[readonly] {
    background-color: #f8f9fa !important;
    color: #333 !important;
    border: 1px solid #ddd !important;
    cursor: default;
}

/* Tombol Mulai */
.btn-start {
    width: 100%;
    background: var(--primary);
    color: white;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: 0.3s;
    box-shadow: 0 4px 6px rgba(40, 167, 69, 0.2);
}
.btn-start:hover { background: var(--primary-dark); transform: translateY(-2px); }


/* --- TAMPILAN MOBILE (Tumpuk Atas-Bawah) --- */
@media (max-width: 768px) {
    .container-data {
        flex-direction: column; 
        align-items: center; 
        justify-content: flex-start; 
        padding: 15px;
        padding-bottom: 100px; 
    }

    .card-info-wide, .card-input {
        width: 100% !important;
        max-width: 100% !important;
        padding: 20px;
        margin-bottom: 15px;
    }
    
    .top-bar {
        justify-content: center; 
    }
}

/* Styling tambahan agar input readonly tidak buram */
input[readonly] {
    background-color: #f8f9fa !important;
    color: #333 !important;
    border: 1px solid #ddd !important;
    cursor: default;
}

/* Kotak Petunjuk */
.info-row-petunjuk {
    display: flex;
    flex-direction: column;
    margin-top: 15px;
}

h4 {
    margin: 0 0 25px;
    font-size: 1.1rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 15px;
}

/* Tabel Info Row */
.info-row {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px dashed #ddd;
    padding: 12px 0;
}
.info-row:last-child { border-bottom: none; }
.info-row .label { color: var(--text-muted); font-weight: 600; }
.info-row .value { font-weight: bold; color: var(--text-main); }

/* Form Data */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
}
.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: 0.3s;
}
.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

/* Tombol Mulai */
.btn-start {
    width: 100%;
    background: var(--primary);
    color: white;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: 0.3s;
    box-shadow: 0 4px 6px rgba(40, 167, 69, 0.2);
}
.btn-start:hover { background: var(--primary-dark); transform: translateY(-2px); }


/* ========================================= */
/* 4. HALAMAN 3: UJIAN (Header & Toolbar)    */
/* ========================================= */
.ujian-header {
    height: var(--header-height);
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    color: white;
    flex-shrink: 0;
    z-index: 20;
    box-shadow: var(--shadow-sm);
}

.header-left { display: flex; align-items: center; gap: 15px; }
.logo-small {
    font-weight: 800;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    background: rgba(255,255,255,0.2);
    padding: 5px 10px;
    border-radius: 6px;
    letter-spacing: 1px;
}
.siswa-info { display: flex; flex-direction: column; line-height: 1.2; }
.siswa-info span { font-weight: 700; font-size: 0.95rem; }
.siswa-info small { font-size: 0.75rem; opacity: 0.9; }

.btn-logout {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: 0.2s;
}
.btn-logout:hover {
    background: var(--danger);
    border-color: var(--danger);
}

/* Toolbar Ujian */
.ujian-toolbar {
    height: var(--toolbar-height);
    background: white;
    border-bottom: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    flex-shrink: 0;
}

.tool-left { display: flex; align-items: center; }
.badge-nomor {
    background: #343a40;
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: bold;
    font-size: 0.9rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.tool-right { display: flex; align-items: center; gap: 12px; }

.timer-badge {
    background: #fff3cd;
    color: #856404;
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: bold;
    font-family: 'Nunito', monospace;
    font-size: 0.95rem;
    border: 1px solid #ffeeba;
    display: flex;
    align-items: center;
    gap: 6px;
}

.font-resizer {
    display: flex;
    background: #f0f2f5;
    padding: 4px;
    border-radius: 8px;
    gap: 4px;
    border: 1px solid #ddd;
}
.font-resizer span {
    cursor: pointer;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: flex-end; /* Supaya text A rata bawah */
    justify-content: center;
    line-height: 1;
    color: #aaa;
    border-radius: 4px;
    transition: 0.2s;
}
.font-resizer span:hover { background: #e2e6ea; }
.font-resizer span.active {
    background: white;
    color: var(--secondary);
    font-weight: bold;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.btn-list-icon {
    background: white;
    border: 1px solid #ddd;
    color: var(--text-main);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: 0.2s;
}
.btn-list-icon:hover { background: #f8f9fa; border-color: #ccc; }


/* ========================================= */
/* 5. HALAMAN 3: LAYOUT WRAPPER & PANEL      */
/* ========================================= */
.ujian-wrapper {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
    background: #f0f2f5;
    padding: 15px;
    gap: 15px;
    justify-content: center; /* [BARU] Biar panel soal ke tengah kalau sendirian */
}

.panel {
    background: white;
    border-radius: 12px;
    padding: 25px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    border: 1px solid white;
}

/* Panel Kiri (Stimulus) */
.panel-kiri {
    flex: 4;
    border-right: 1px solid #eee;
    display: none; /* Default hide */
}
.panel-kiri.active { display: block; }
.panel-kiri h3 { margin-top: 0; color: var(--primary); }

/* Panel Kanan (Soal) */
.panel-kanan { 
    flex: 5; 
    max-width: 900px; /* [BARU] Batas maksimal melar supaya teks ga over panjang */
    width: 100%;      /* [BARU] Jaga-jaga biar tetap aman kalau layarnya dikecilin */
}

/* Custom Scrollbar */
.panel::-webkit-scrollbar, 
.container-data::-webkit-scrollbar,
.sidebar-body::-webkit-scrollbar {
    width: 8px;
}
.panel::-webkit-scrollbar-track,
.container-data::-webkit-scrollbar-track,
.sidebar-body::-webkit-scrollbar-track {
    background: #f1f1f1;
}
.panel::-webkit-scrollbar-thumb,
.container-data::-webkit-scrollbar-thumb,
.sidebar-body::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}
.panel::-webkit-scrollbar-thumb:hover { background: #bbb; }


/* ========================================= */
/* 6. KONTEN SOAL & OPSI JAWABAN             */
/* ========================================= */
.soal-text {
    font-size: 1.15rem;
    line-height: 1.7;
    margin-bottom: 25px;
    color: #212529;
}
.soal-text img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid #eee;
    margin: 10px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.soal-text p { margin-top: 0; }

/* Pilihan Jawaban Wrapper */
.pilihan-wrapper {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Item Opsi (PG & Checkbox) */
.opsi-item {
    display: flex;
    align-items: flex-start; /* Supaya marker tetap di atas jika teks panjang */
    gap: 15px;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background: white;
    position: relative;
}

.opsi-item:hover {
    background-color: #f8f9fa;
    border-color: #ced4da;
    transform: translateX(2px);
}

/* Active State (Terpilih) */
.opsi-item.active {
    border-color: var(--primary);
    background-color: var(--primary-light);
    box-shadow: 0 0 0 1px var(--primary); /* Extra border effect */
}

/* Marker Huruf (A, B, C...) */
.marker {
    width: 30px;
    height: 30px;
    border: 2px solid #adb5bd;
    flex-shrink: 0; /* Jangan gepeng */
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: #6c757d;
    border-radius: 50%;
    transition: 0.2s;
    background: white;
    margin-top: 2px; /* Alignment optik */
}

/* Jika Checkbox (PGK), marker jadi kotak radius dikit */
.opsi-item input[type="checkbox"] ~ .marker,
.opsi-item .marker i { /* Icon centang di PGK */
    border-radius: 6px; 
}

/* Marker State Active */
.opsi-item.active .marker {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
}
.opsi-item.active .text {
    font-weight: 600;
    color: #000;
}


/* ========================================= */
/* 7. TABEL BENAR - SALAH (PGK KATEGORI)     */
/* ========================================= */
.table-bs {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 15px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    overflow: hidden; /* Biar border radius tabel kelihatan */
}

.table-bs th {
    background-color: #f8f9fa;
    padding: 12px;
    text-align: center;
    font-weight: 700;
    border-bottom: 2px solid #dee2e6;
    color: var(--text-main);
}
.table-bs th:first-child { text-align: left; padding-left: 15px; }

.table-bs td {
    padding: 12px 10px;
    border-bottom: 1px solid #eee;
    vertical-align: middle;
}
.table-bs tr:last-child td { border-bottom: none; }
.table-bs tr:hover td { background-color: #fcfcfc; }

/* Custom Radio Button di dalam Tabel */
.custom-radio {
    position: relative;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    transition: 0.2s;
}

.custom-radio:hover { background-color: #f0f0f0; }

.custom-radio input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

/* Desain Checkmark (Huruf B / S) */
.checkmark {
    height: 32px;
    width: 32px;
    background-color: white;
    border: 2px solid #ccc;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #ccc;
    transition: all 0.2s;
    font-size: 0.9rem;
}

/* State Checked */
.custom-radio input:checked ~ .checkmark {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 2px 5px rgba(40, 167, 69, 0.3);
}

.text-center { text-align: center; }


/* ========================================= */
/* 8. FOOTER NAVIGASI (FIXED MOBILE)         */
/* ========================================= */
.ujian-footer {
    height: var(--footer-height);
    background: white;
    border-top: 1px solid #e9ecef;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    flex-shrink: 0;
    z-index: 30;
    box-shadow: 0 -4px 10px rgba(0,0,0,0.02);
}

.footer-center {
    display: flex;
    justify-content: center;
    flex: 1; /* Spacer tengah */
}

/* --- TOMBOL DESKTOP --- */
.btn-nav {
    height: 44px;
    padding: 0 24px;
    border-radius: 8px; /* Konsisten radius */
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

/* Tombol "Sebelumnya" (Desktop) - Outline Style */
.btn-nav.prev {
    background: white;
    border-color: #ced4da;
    color: var(--text-muted);
}
.btn-nav.prev:hover:not(:disabled) {
    background-color: #f1f3f5;
    color: #333;
    border-color: #adb5bd;
}
.btn-nav.prev:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: #f8f9fa;
}

/* Tombol "Selanjutnya" (Desktop) - Solid Style */
.btn-nav.next {
    background: var(--secondary);
    color: white;
    box-shadow: 0 4px 6px rgba(0,123,255,0.2);
}
.btn-nav.next:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 10px rgba(0,123,255,0.3);
}

/* --- TOMBOL MOBILE (FIXED) --- */
.btn-mobile-icon {
    width: 48px;  /* Sedikit lebih besar untuk touch target */
    height: 48px;
    border-radius: 8px;
    font-size: 1.3rem;
    cursor: pointer;
    display: none; /* Default hidden, muncul di media query */
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    border: 1px solid transparent;
}

/* Tombol Mobile "Prev" */
.btn-mobile-icon.prev {
    background: white;
    border-color: #ced4da;
    color: var(--text-muted);
}
.btn-mobile-icon.prev:active:not(:disabled) {
    background-color: #e9ecef;
}
.btn-mobile-icon.prev:disabled {
    opacity: 0.5;
    background: #f8f9fa;
    border-color: #e9ecef;
}

/* Tombol Mobile "Next" */
.btn-mobile-icon.next {
    background: var(--secondary);
    color: white;
    box-shadow: 0 2px 5px rgba(0,123,255,0.3);
}
.btn-mobile-icon.next:active {
    background: var(--secondary-dark);
    transform: scale(0.95);
}

/* --- TOMBOL "SELESAI" (HIJAU UNTUK SEMUA) --- */
/* Class ini ditambahkan via JS saat soal terakhir */
.btn-selesai {
    background: var(--success) !important;
    color: white !important;
    border-color: var(--success) !important;
    box-shadow: 0 4px 6px rgba(25, 135, 84, 0.3) !important;
}

/* FIX: Pastikan tombol icon mobile juga berubah hijau */
.btn-mobile-icon.btn-selesai {
    background: var(--success) !important;
    color: white !important;
    border-color: var(--success) !important;
}

.btn-selesai:hover, 
.btn-selesai:active {
    background-color: #157347 !important;
    transform: translateY(-1px);
}

/* Checkbox Ragu */
.ragu-checkbox {
    background: #fff3cd;
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid #ffeeba;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: 0.2s;
}
.ragu-checkbox:hover { background: #ffe69c; }
.ragu-checkbox input { cursor: pointer; width: 16px; height: 16px; accent-color: #ffc107; }
.ragu-checkbox label { font-weight: bold; color: #856404; font-size: 0.9rem; cursor: pointer; user-select: none; }


/* ========================================= */
/* 9. SIDEBAR & OVERLAY                      */
/* ========================================= */
.sidebar {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100%;
    background: white;
    z-index: 100;
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -5px 0 25px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
}
.sidebar.active { right: 0; }

.sidebar-head {
    padding: 20px;
    background: var(--primary-gradient);
    color: white;
    font-weight: bold;
    font-size: 1.1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.sidebar-head button {
    background: none;
    border: none;
    color: white;
    font-size: 1.4rem;
    cursor: pointer;
    padding: 0;
    display: flex;
    transition: transform 0.2s;
}
.sidebar-head button:hover { transform: rotate(90deg); }

.sidebar-body {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    align-content: start;
    background: #f8f9fa;
}

.grid-item {
    aspect-ratio: 1;
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: bold;
    color: #6c757d;
    font-size: 0.95rem;
    transition: all 0.2s;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.grid-item:hover {
    background-color: #e9ecef;
    border-color: #ced4da;
    transform: translateY(-2px);
}

.grid-item.current {
    border: 2px solid var(--secondary);
    background: #eef7ff;
    color: var(--secondary);
}

.grid-item.answered {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 2px 4px rgba(40, 167, 69, 0.3);
}

.grid-item.ragu {
    background: var(--warning);
    color: #212529;
    border-color: #ffc107;
}

/* Overlay Gelap */
#overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 90;
    display: none;
    backdrop-filter: blur(3px);
    transition: opacity 0.3s;
}
#overlay.active { display: block; }


/* ========================================= */
/* 10. RESPONSIVE MEDIA QUERIES (FIXED)      */
/* ========================================= */
@media (max-width: 768px) {
    /* --- GENERAL MOBILE ADJUSTMENTS --- */
    
    /* Login Page Mobile */
    .login-container { padding: 15px; }
    .login-bg-wave { height: 40%; }
    .login-header h2 { font-size: 1.5rem; }
    
    /* Data Page Mobile */
    .container-data { flex-direction: column; padding: 15px; gap: 15px; }
    .card-info, .card-input { width: 100%; max-width: none; border-radius: 10px; }
    .top-bar { justify-content: center; } 

    /* --- UJIAN VIEW MOBILE --- */
    
    /* Header & Toolbar Compact */
    .ujian-header { height: 50px; padding: 0 15px; }
    .logo-small { font-size: 0.9rem; }
    .siswa-info span { font-size: 0.85rem; }
    
    .ujian-toolbar { height: 50px; padding: 0 10px; }
    .badge-nomor { font-size: 0.8rem; padding: 4px 8px; }
    .timer-badge { font-size: 0.85rem; padding: 4px 10px; }
    
    /* Navigasi Footer Mobile */
    .ujian-footer { padding: 0 15px; height: 60px; }
    .ragu-checkbox { 
        padding: 6px 10px; 
        font-size: 0.8rem; 
        white-space: nowrap; 
    } 
    .ragu-checkbox label { font-size: 0.8rem; }

    /* Tombol Switch Logic */
    .desktop-nav { display: none !important; }
    .btn-mobile-icon { display: flex !important; }
    
    /* Layout Soal Stack (Atas Bawah) */
    .ujian-wrapper { 
        flex-direction: column; 
        padding: 0; 
        gap: 0; 
        overflow-y: hidden; /* Wrapper utama diam */
    }

    /* Panel Kiri (Stimulus) - Flex None agar fix */
    .panel-kiri {
        flex: none; 
        height: 35vh; 
        border-right: none; 
        border-bottom: 2px solid #e9ecef;
        padding: 15px; 
        border-radius: 0;
        resize: vertical;
        box-shadow: none;
    }

    /* Panel Kanan (Soal) - Harus Flex 1 agar mengisi sisa dan scroll */
    .panel-kanan {
        flex: 1; /* Ambil sisa ruang */
        padding: 15px;
        border-radius: 0;
        /* FIX: Agar bisa scroll konten soal panjang */
        overflow-y: auto; 
        padding-bottom: 80px; /* Spacer bawah agar tidak tertutup footer */
        box-shadow: none;
        max-width: 100%; /* [BARU] Tambahin ini biar di HP tetap full layarnya */
    }
    
    .soal-text { font-size: 1rem; }
}

/* ========================================= */
/* 11. CUSTOM STYLE TABEL BENAR-SALAH (FINAL)*/
/* ========================================= */

.table-bs {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 20px;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

/* Header */
.table-bs thead th {
    background-color: #f8f9fa;
    color: #495057;
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.85rem;
    padding: 16px 20px;
    border-bottom: 2px solid #e9ecef;
}
.table-bs thead th:first-child { text-align: left; }
.table-bs thead th:not(:first-child) { text-align: center; }

/* Body */
.table-bs tbody td {
    padding: 16px 10px; /* Padding sedikit diperkecil agar muat di HP */
    border-bottom: 1px solid #f0f0f0;
    vertical-align: middle;
    font-size: 1rem;
    color: #333;
}
.table-bs tbody tr:last-child td { border-bottom: none; }
.table-bs tbody tr:hover { background-color: #f9fbfd; }


/* --- LOGIKA CUSTOM RADIO BUTTON (METODE SPAN SIBLING) --- */
.custom-radio-container {
    display: inline-block;
    position: relative;
    cursor: pointer;
    width: 28px;  
    height: 28px; 
    user-select: none;
    vertical-align: middle;
}

.custom-radio-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.radio-style {
    position: absolute;
    top: 0;
    left: 0;
    height: 28px;
    width: 28px;
    background-color: white;
    border: 2px solid #ccc; 
    border-radius: 50%;
    transition: all 0.2s ease;
}

.custom-radio-container:hover input ~ .radio-style {
    background-color: #f0f9ff;
    border-color: var(--primary); 
}

.custom-radio-container input:checked ~ .radio-style {
    background-color: var(--primary); 
    border-color: var(--primary);
    transform: scale(1.1); 
    box-shadow: 0 4px 10px rgba(40, 167, 69, 0.3);
}

.radio-style:after {
    content: "";
    position: absolute;
    display: none;
}

.custom-radio-container input:checked ~ .radio-style:after {
    display: block;
}

.custom-radio-container .radio-style:after {
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: white;
    transform: translate(-50%, -50%);
}

/* --- RESPONSIVE MOBILE --- */
@media (max-width: 768px) {
    body { height: 100dvh; position: fixed; width: 100%; }
    .active-view { height: 100dvh; }

    /* Halaman Data & Soal harus bisa scroll */
    .container-data, .panel-kanan {
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 100px; /* Agar tidak tertutup footer */
    }

    .container-data { flex-direction: column; padding: 15px; }
    .desktop-nav { display: none !important; }
    .btn-mobile-icon { display: flex !important; }

    /* Footer Layout HP */
    .ujian-footer { padding: 0 10px; height: 70px; }
    .footer-side { flex: 1; display: flex; }
    .footer-center { flex: 1.5; }
    
    .btn-mobile-icon {
        width: 46px; height: 46px;
        border-radius: 50% !important;
        background: #eee;
    }
    .btn-mobile-icon.next { background: var(--secondary); color: white; }
    .btn-mobile-icon.btn-selesai { background: var(--success) !important; color: white !important; }

    .ujian-wrapper { flex-direction: column; padding: 0; }
    .panel-kiri.active { height: 30vh; flex: none; border-bottom: 2px solid #ddd; }
}
/* Styling Kotak Petunjuk */
.petunjuk-box {
    width: 100%;
    max-height: 180px; /* Batasi tingginya agar tidak makan tempat */
    overflow-y: auto;  /* Biar bisa di-scroll kalau kepanjangan */
    background: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 10px 15px;
    -webkit-overflow-scrolling: touch;
}

#info-petunjuk-list {
    margin: 0;
    padding-left: 20px; /* Biar angka nomor tidak kepotong */
}

#info-petunjuk-list li {
    font-size: 0.85rem;
    color: #444;
    line-height: 1.5;
    margin-bottom: 8px;
}

/* Custom scrollbar biar keren di HP */
.petunjuk-box::-webkit-scrollbar { width: 5px; }
.petunjuk-box::-webkit-scrollbar-thumb { background: #ccc; border-radius: 10px; }

/* Style untuk gambar yang bisa di-zoom */
.zoomable-image {
    cursor: zoom-in;
    transition: transform 0.3s ease;
}

/* State ketika gambar membesar */
.zoomed {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8); /* Background hitam transparan */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000; /* Supaya di atas segalanya */
    cursor: zoom-out;
}

.zoomed img {
    max-width: 95%;
    max-height: 95%;
    object-fit: contain;
    box-shadow: 0 5px 25px rgba(0,0,0,0.5);
    border: 3px solid white;
}
/* ========================================= */
/* FIX MATHJAX OVERFLOW (RUMUS KEPANJANGAN)  */
/* ========================================= */

.soal-text {
    /* Biar teks biasa kalau ada kata yang kepanjangan tetep dipaksa turun */
    overflow-wrap: break-word;
    word-wrap: break-word;
}

/* Ini tag khusus yang dibuat otomatis sama MathJax 3 */
mjx-container {
    max-width: 100% !important;
    overflow-x: auto !important; /* Nyalain fitur scroll geser kiri-kanan */
    overflow-y: hidden !important;
    padding: 5px 0; /* Biar scrollbar-nya ga nabrak huruf */
}

/* Khusus untuk rumus yang bentuknya block (tengah-tengah) */
mjx-container[display="true"] {
    display: block !important;
    margin: 10px 0;
}

/* Custom Scrollbar khusus buat area rumus di HP biar estetik */
mjx-container::-webkit-scrollbar {
    height: 5px;
}
mjx-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}
mjx-container::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}
/* ========================================= */
/* TABEL OTOMATIS UNTUK KONTEN SOAL (DENGAN GARIS) */
/* ========================================= */
.soal-text table {
    width: auto;
    border-collapse: collapse;
    margin: 20px 0;
    font-family: inherit;
    color: #212529;
}

/* Bagian Kepala Tabel (Header) */
.soal-text table th {
    font-weight: 700;
    text-align: left;
    padding: 10px 15px; /* Jarak disesuaikan biar rapi di dalam garis */
    border: 1px solid #dee2e6; /* MUNCULKAN GARIS DI SINI */
    background-color: #f8f9fa; /* Kasih warna abu-abu tipis biar beda dari isinya */
}

/* Bagian Isi Tabel (Data) */
.soal-text table td {
    text-align: left;
    padding: 10px 15px;
    border: 1px solid #dee2e6; /* MUNCULKAN GARIS DI SINI */
}
/* Mengembalikan tinggi asli bawaan web kamu */
html.swal2-height-auto,
body.swal2-height-auto {
    height: auto !important;
    min-height: 100vh !important; /* Menyesuaikan tinggi layar */
}

/* Mencegah layar bergeser karena overflow */
body.swal2-shown {
    padding-right: 0 !important;
    overflow: hidden !important; /* Biar background nggak ketarik */
}