/* ============================================================
   Online Quiz Generator — Stylesheet
   Modern UI/UX Design
   ============================================================ */

/* --- CSS Variables --- */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-bg: #eef2ff;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --danger-bg: #fef2f2;
    --success: #22c55e;
    --success-dark: #16a34a;
    --success-bg: #f0fdf4;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --warning-border: #fcd34d;
    --orange: #f97316;
    --orange-bg: #fff7ed;

    --bg: #f1f5f9;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --transition: 0.2s ease;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

/* --- Landing Page --- */
.landing-container {
    max-width: 700px;
    margin: 80px auto;
    text-align: center;
    padding: 2rem;
}

.landing-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
    margin-bottom: 0.5rem;
}

.landing-container h1 {
    font-size: 2.2rem;
    color: var(--text);
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
    font-weight: 700;
}

.landing-subtitle {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    font-size: 1.05rem;
}

.landing-cards {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.landing-card {
    flex: 1;
    max-width: 280px;
    padding: 2.5rem 1.5rem;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-decoration: none;
    color: var(--text);
    transition: transform var(--transition), box-shadow var(--transition);
    border: 1px solid var(--border);
}

.landing-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.landing-card-icon {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
}

.landing-card h2 {
    font-size: 1.4rem;
    margin-bottom: 0.3rem;
    font-weight: 700;
}

.landing-card p {
    color: var(--text-muted);
}

.landing-card-student { border-top: 4px solid var(--primary); }
.landing-card-faculty { border-top: 4px solid var(--success); }

@media (max-width: 600px) {
    .landing-cards { flex-direction: column; align-items: center; }
}

/* --- Student Pages --- */
.student-container {
    max-width: 500px;
    margin: 60px auto;
    padding: 2.5rem 2rem;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

/* --- Step Indicator --- */
.step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.step {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    background: var(--border-light);
    color: var(--text-light);
    transition: all var(--transition);
}

.step.active {
    background: var(--primary);
    color: white;
}

.step.done {
    background: var(--success);
    color: white;
}

.step-line {
    width: 40px;
    height: 2px;
    background: var(--border);
}

/* --- Anti-cheat notice --- */
.anti-cheat-notice {
    margin: 1.5rem 0;
    padding: 1rem 1.2rem;
    background: var(--warning-bg);
    border: 1px solid var(--warning-border);
    border-radius: var(--radius-sm);
}

.anti-cheat-notice h3 {
    font-size: 1rem;
    color: #b45309;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.anti-cheat-notice ul {
    list-style: none;
    padding: 0;
    margin-bottom: 0.8rem;
}

.anti-cheat-notice ul li {
    position: relative;
    padding-left: 1.4rem;
    font-size: 0.88rem;
    color: #78350f;
    margin-bottom: 0.35rem;
    line-height: 1.45;
}

.anti-cheat-notice ul li::before {
    content: '\26A0';
    position: absolute;
    left: 0;
    color: var(--warning);
}

.agree-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    line-height: 1.4;
}

.agree-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 0.1rem;
    flex-shrink: 0;
    accent-color: var(--primary);
}

/* --- Page elements --- */
.page-description {
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.student-container h1 {
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-weight: 700;
    letter-spacing: -0.3px;
}

.student-container label {
    display: block;
    margin-bottom: 1rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text);
}

.student-container input[type="text"],
.student-container input[type="email"],
.student-container input[type="number"],
.student-container input[type="password"],
.student-container select,
.student-container textarea {
    width: 100%;
    padding: 0.7rem 0.8rem;
    margin-top: 0.3rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--card-bg);
    color: var(--text);
}

.student-container input:focus,
.student-container select:focus,
.student-container textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.student-container button,
button {
    width: 100%;
    padding: 0.8rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 0.5rem;
    transition: background var(--transition), transform var(--transition);
}

button:hover { background: var(--primary-dark); transform: translateY(-1px); }
button:active { transform: translateY(0); }
button:disabled { background: var(--text-light); cursor: not-allowed; transform: none; }

.back-home {
    display: block;
    text-align: center;
    margin-top: 1.2rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition);
}
.back-home:hover { color: var(--primary); }

/* --- Quiz Page --- */
.quiz-body {
    background: var(--bg);
    user-select: none;
    -webkit-user-select: none;
}

.quiz-container {
    max-width: 700px;
    margin: 30px auto;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.quiz-header-right {
    text-align: right;
}

.quiz-header h1 { font-size: 1.2rem; color: var(--text); font-weight: 700; }

.timer {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'SF Mono', 'Fira Code', monospace;
    color: var(--text);
}

.progress { color: var(--text-muted); font-size: 0.88rem; margin-top: 0.2rem; }

/* Quiz progress bar */
.quiz-progress-bar-container {
    width: 100%;
    height: 4px;
    background: var(--border-light);
    border-radius: 2px;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.quiz-progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 0%;
}

.question-card {
    margin-bottom: 1.5rem;
}

.question-card p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.5;
    color: var(--text);
}

.option {
    display: block;
    padding: 0.9rem 1rem;
    margin-bottom: 0.6rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.95rem;
    color: var(--text);
}

.option:hover {
    border-color: var(--primary-light);
    background: var(--primary-bg);
}

.option.selected {
    border-color: var(--primary);
    background: var(--primary-bg);
}

.option input[type="radio"] {
    margin-right: 0.6rem;
    accent-color: var(--primary);
    width: 18px;
    height: 18px;
    vertical-align: middle;
}

/* --- Identification input --- */
.ident-input {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.ident-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.quiz-nav {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.quiz-nav button {
    flex: 1;
    padding: 0.8rem 0.5rem;
    font-size: 0.95rem;
}

.quiz-nav .btn-submit {
    background: var(--success);
}

.quiz-nav .btn-submit:hover {
    background: var(--success-dark);
}

/* --- Result Page --- */
.result-page { text-align: center; }

.score-display {
    margin: 1.5rem 0;
    padding: 2rem;
    background: var(--primary-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.score-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.score-display h2 {
    font-size: 3rem;
    color: var(--primary);
    font-weight: 800;
    margin-bottom: 0.3rem;
}

.percentage-text {
    font-size: 1.2rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 1rem;
}

.score-bar-container {
    width: 100%;
    height: 10px;
    background: var(--border-light);
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.score-bar {
    height: 100%;
    width: 0%;
    border-radius: 5px;
    transition: width 0.8s ease;
}

.score-bar-pass { background: var(--success); }
.score-bar-fail { background: var(--danger); }

.email-note {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.btn-back {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.8rem 2rem;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    transition: background var(--transition), transform var(--transition);
}

.btn-back:hover { background: var(--primary-dark); transform: translateY(-1px); }

/* --- Faculty Nav --- */
.faculty-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 2rem;
    background: var(--text);
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.faculty-nav a, .nav-link {
    color: #cbd5e1;
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-xs);
    font-size: 0.9rem;
    font-weight: 500;
    transition: background var(--transition), color var(--transition);
}

.faculty-nav a:hover, .nav-link:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

.faculty-nav .brand, .brand {
    font-weight: 800;
    margin-right: auto;
    color: white;
    font-size: 1.1rem;
    letter-spacing: -0.3px;
}

.faculty-nav .user, .nav-user {
    color: #94a3b8;
    font-size: 0.88rem;
}

.nav-logout {
    color: #fca5a5 !important;
}

.nav-logout:hover {
    background: rgba(239, 68, 68, 0.15) !important;
    color: #f87171 !important;
}

main {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* --- Footer --- */
.app-footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-light);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    margin-top: 3rem;
}

/* --- Headings --- */
h1 {
    font-size: 1.7rem;
    color: var(--text);
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

h2 {
    font-size: 1.3rem;
    color: var(--text);
    margin: 1.5rem 0 1rem;
    font-weight: 700;
}

/* --- Tables --- */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

th, td {
    padding: 0.7rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.92rem;
}

th {
    background: var(--bg);
    font-weight: 600;
    color: var(--text);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover { background: var(--border-light); }

.flagged-row { background: var(--danger-bg); }
.flagged-row:hover { background: #fee2e2; }

/* --- Stats --- */
.stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    flex: 1;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.stat-card h3 { font-size: 2.2rem; font-weight: 800; }
.stat-card p { color: var(--text-muted); margin-top: 0.25rem; font-size: 0.88rem; text-transform: uppercase; letter-spacing: 0.5px; }

.stat-card-blue h3 { color: var(--primary); }
.stat-card-green h3 { color: var(--success); }
.stat-card-orange h3 { color: var(--orange); }

.stat-card-blue { border-top: 3px solid var(--primary); }
.stat-card-green { border-top: 3px solid var(--success); }
.stat-card-orange { border-top: 3px solid var(--orange); }

/* --- Forms (faculty) --- */
form label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text);
}

/* --- Type group --- */
.type-group {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1.2rem;
    margin-bottom: 1rem;
    background: var(--bg);
}

.type-group legend {
    font-weight: 700;
    padding: 0 0.5rem;
    color: var(--text);
    font-size: 0.95rem;
}

.type-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.6rem;
}

.type-row label {
    margin-bottom: 0;
    font-weight: 500;
}

.type-row input[type="number"] {
    width: 80px;
}

.type-row input[type="number"]:disabled {
    background: var(--border-light);
    color: var(--text-light);
    cursor: not-allowed;
}

.type-row input[type="checkbox"] {
    accent-color: var(--primary);
    width: 18px;
    height: 18px;
}

form input[type="text"],
form input[type="email"],
form input[type="number"],
form input[type="password"],
form input[type="datetime-local"],
form select,
form textarea {
    width: 100%;
    padding: 0.6rem 0.7rem;
    margin-top: 0.2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--card-bg);
    color: var(--text);
}

form input:focus,
form select:focus,
form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

form textarea { min-height: 80px; resize: vertical; }

form button {
    width: auto;
    padding: 0.7rem 1.5rem;
}

/* --- Question items --- */
.question-item {
    padding: 1rem;
    margin-bottom: 0.6rem;
    background: var(--bg);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary);
    transition: box-shadow var(--transition);
}

.question-item:hover {
    box-shadow: var(--shadow-sm);
}

.question-item button {
    width: auto;
    padding: 0.35rem 0.8rem;
    font-size: 0.82rem;
    background: var(--danger);
    margin-top: 0.5rem;
}

.question-item button:hover { background: var(--danger-dark); }

/* --- Small buttons / action links --- */
.btn-sm {
    width: auto !important;
    padding: 0.35rem 0.8rem !important;
    font-size: 0.82rem !important;
    display: inline-block !important;
    border-radius: var(--radius-xs) !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    color: white !important;
    margin: 0.15rem 0.2rem !important;
    transition: background var(--transition), transform var(--transition) !important;
}

.btn-sm:hover { transform: translateY(-1px); }

.btn-edit { background: var(--primary) !important; }
.btn-edit:hover { background: var(--primary-dark) !important; }

.btn-grades { background: var(--success) !important; }
.btn-grades:hover { background: var(--success-dark) !important; }

.btn-del { background: var(--danger) !important; }
.btn-del:hover { background: var(--danger-dark) !important; }

.btn-export { background: var(--success) !important; padding: 0.5rem 1rem !important; font-size: 0.88rem !important; }
.btn-export:hover { background: var(--success-dark) !important; }

/* --- Quiz link input --- */
.quiz-link-input {
    width: 180px !important;
    padding: 0.3rem 0.5rem !important;
    font-size: 0.78rem !important;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--bg);
    color: var(--text-muted);
    cursor: pointer;
}

.copy-link {
    font-size: 0.8rem;
    margin-left: 0.4rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}
.copy-link:hover { text-decoration: underline; }

/* --- Bulk Upload --- */
.bulk-upload-section {
    padding: 1.2rem;
    background: var(--bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.bulk-upload-buttons {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.btn-template {
    width: auto !important;
    padding: 0.6rem 1.2rem !important;
    background: var(--success) !important;
    display: inline-block !important;
    border-radius: var(--radius-xs) !important;
    text-decoration: none !important;
    color: white !important;
    font-size: 0.9rem !important;
    font-weight: 600 !important;
    transition: background var(--transition) !important;
}

.btn-template:hover { background: var(--success-dark) !important; }

.btn-upload {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-size: 0.9rem;
    text-align: center;
    font-weight: 600;
    transition: background var(--transition);
}

.btn-upload:hover { background: var(--primary-dark); }

/* --- Login --- */

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-box {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    width: 100%;
    padding: 1.5rem;
    border: 1px solid var(--border);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.2rem;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
}

.modal-close {
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-muted);
    line-height: 1;
    transition: color var(--transition);
}

.modal-close:hover { color: var(--danger); }

.modal-box form label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.modal-box form input[type="password"] {
    width: 100%;
    padding: 0.7rem 0.8rem;
    margin-top: 0.3rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.modal-box form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.modal-box form button {
    width: 100%;
    padding: 0.8rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 0.5rem;
    transition: background var(--transition);
}

.modal-box form button:hover { background: var(--primary-dark); }

/* --- Login --- */
.login-container {
    max-width: 400px;
    margin: 80px auto;
    padding: 2.5rem 2rem;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.login-logo {
    text-align: center;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.login-container h1 {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.login-container label {
    display: block;
    margin-bottom: 1rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.login-container input[type="email"],
.login-container input[type="password"] {
    width: 100%;
    padding: 0.7rem 0.8rem;
    margin-top: 0.3rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.login-container input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* --- Responsive --- */

/* Tablet and below */
@media (max-width: 768px) {
    main {
        margin: 1rem auto;
        padding: 0 0.8rem;
    }

    .faculty-nav {
        flex-wrap: wrap;
        padding: 0.5rem 1rem;
        gap: 0.5rem;
    }
    .faculty-nav .brand { margin-right: 0; }
    .faculty-nav .user, .nav-user { width: 100%; order: 5; }

    .stats { flex-direction: column; }

    table { display: block; overflow-x: auto; white-space: nowrap; }
    th, td { padding: 0.5rem 0.7rem; }

    .quiz-link-input { width: 120px !important; }

    .type-row { flex-wrap: wrap; gap: 0.5rem; }
}

/* Mobile phones */
@media (max-width: 600px) {
    body { font-size: 0.95rem; }

    .landing-container { margin: 40px auto; padding: 1.5rem 1rem; }
    .landing-container h1 { font-size: 1.6rem; }
    .landing-cards { flex-direction: column; align-items: center; }
    .landing-card { max-width: 100%; width: 100%; padding: 1.5rem; }

    .student-container {
        max-width: 100%;
        margin: 0;
        padding: 1.5rem 1rem;
        border-radius: 0;
        min-height: 100vh;
        border: none;
        box-shadow: none;
    }

    .login-container {
        max-width: 100%;
        margin: 40px auto;
        padding: 1.5rem 1rem;
    }

    .quiz-body { background: var(--bg); }
    .quiz-container {
        max-width: 100%;
        margin: 0;
        padding: 1rem 0.8rem;
        border-radius: 0;
        min-height: 100vh;
        border: none;
        box-shadow: none;
    }

    .quiz-header {
        flex-direction: column;
        gap: 0.4rem;
        align-items: flex-start;
    }
    .quiz-header-right { text-align: left; }
    .quiz-header h1 { font-size: 1.1rem; }
    .timer { font-size: 1.3rem; }
    .progress { font-size: 0.85rem; }

    .question-card p { font-size: 1rem; line-height: 1.5; }

    .option {
        padding: 1rem 0.8rem;
        margin-bottom: 0.6rem;
        font-size: 0.95rem;
        min-height: 44px;
    }
    .option input[type="radio"] {
        width: 20px;
        height: 20px;
        margin-right: 0.6rem;
    }

    .ident-input {
        padding: 1rem;
        font-size: 1rem;
    }

    .quiz-nav {
        gap: 0.5rem;
        margin-top: 1rem;
    }
    .quiz-nav button {
        flex: 1;
        padding: 0.9rem 0.5rem;
        font-size: 1rem;
        min-height: 48px;
    }

    .score-display h2 { font-size: 2.2rem; }
    .btn-back {
        display: block;
        text-align: center;
        padding: 0.9rem;
        font-size: 1rem;
    }

    .type-group { padding: 0.8rem; }
    .type-row input[type="number"] { width: 60px; }

    .bulk-upload-buttons { flex-direction: column; }
    .btn-template, .btn-upload { width: 100% !important; text-align: center; }
}

/* Small phones */
@media (max-width: 380px) {
    .quiz-header h1 { font-size: 1rem; }
    .timer { font-size: 1.1rem; }
    .question-card p { font-size: 0.9rem; }
    .option { padding: 0.8rem; font-size: 0.9rem; }
}