/* ========================================
   STUDENT PAGE - ENHANCED MODERN DESIGN
   ======================================== */

:root {
    /* Light Theme */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --error-gradient: linear-gradient(135deg, #eb3349 0%, #f45c43 100%);
    --warning-gradient: linear-gradient(135deg, #ff9966 0%, #ff5e62 100%);
    
    --card-bg: #ffffff;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.16);
}

[data-theme="dark"] {
    --primary-gradient: linear-gradient(135deg, #4c5fd7 0%, #5e3c8f 100%);
    --secondary-gradient: linear-gradient(135deg, #e73c6f 0%, #d13f60 100%);
    --success-gradient: linear-gradient(135deg, #0f7d6a 0%, #2ecc71 100%);
    --error-gradient: linear-gradient(135deg, #c0392b 0%, #d13f3f 100%);
    --warning-gradient: linear-gradient(135deg, #e67e22 0%, #f39c12 100%);
    
    --card-bg: #1a1d2e;
    --text-primary: #ecf0f1;
    --text-secondary: #bdc3c7;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Cairo', sans-serif;
    background: var(--primary-gradient);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveBackground 60s linear infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes moveBackground {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 24px;
    left: 24px;
    z-index: 1000;
    width: 52px;
    height: 52px;
    background: var(--card-bg);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(180deg);
    box-shadow: var(--shadow-lg);
}

.theme-toggle i {
    font-size: 1.3rem;
    color: var(--text-primary);
}

/* Main Container */
.student-page-wrapper {
    position: relative;
    z-index: 1;
    padding: 40px 20px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.student-main-container {
    width: 100%;
    max-width: 800px;
    background: var(--card-bg);
    border-radius: 32px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header Section */
.student-header {
    background: var(--primary-gradient);
    padding: 48px 32px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.student-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    animation: moveGlow 8s ease-in-out infinite;
}

@keyframes moveGlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 20px); }
}

.student-header-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.student-header-icon i {
    font-size: 48px;
    color: white;
}

.student-header-title {
    font-size: 32px;
    font-weight: 700;
    color: white;
    margin: 0 0 12px 0;
    position: relative;
}

.student-header-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    position: relative;
}

/* Content Section */
.student-content {
    padding: 40px 32px;
}

.student-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 32px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.student-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.student-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.student-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    flex-shrink: 0;
}

.student-card-title {
    flex: 1;
}

.student-card-title h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 4px 0;
}

.student-card-title p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* Scanner Section */
.scanner-camera-wrapper {
    position: relative;
    max-width: 400px;
    margin: 0 auto 24px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.scanner-border-animation {
    position: relative;
}

.scanner-border-animation::before {
    content: '';
    position: absolute;
    inset: -4px;
    background: var(--primary-gradient);
    border-radius: 24px;
    z-index: -1;
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#qr-reader {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
}

/* Buttons */
.student-btn-group {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.student-btn {
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.student-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.student-btn:hover::before {
    width: 300px;
    height: 300px;
}

.student-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.student-btn-primary {
    background: var(--primary-gradient);
    color: white;
}

.student-btn-success {
    background: var(--success-gradient);
    color: white;
}

.student-btn-warning {
    background: var(--warning-gradient);
    color: white;
}

.student-btn i {
    font-size: 16px;
}

/* Manual Input */
.manual-input-wrapper {
    margin-top: 32px;
    padding-top: 32px;
    border-top: 2px dashed var(--border-color);
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 32px 0;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 2px solid var(--border-color);
}

.divider span {
    padding: 0 16px;
    color: var(--text-secondary);
    font-weight: 600;
}

.manual-input-group {
    display: flex;
    gap: 12px;
    align-items: stretch;
}

.manual-input-group input {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 15px;
    color: var(--text-primary);
    background: var(--card-bg);
    transition: all 0.3s ease;
}

.manual-input-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.manual-input-group button {
    width: 56px;
    height: 56px;
    border: none;
    border-radius: 12px;
    background: var(--success-gradient);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.manual-input-group button:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

/* Form Inputs */
.form-group-student {
    margin-bottom: 20px;
}

.form-label-student {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-label-student .required {
    color: #ef4444;
    margin-right: 4px;
}

.form-input-student {
    width: 100%;
    padding: 14px 20px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 15px;
    color: var(--text-primary);
    background: var(--card-bg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-input-student:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.form-input-student::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

[data-theme="dark"] .form-input-student {
    background: #16213e;
}

/* Lecture Info */
.lecture-info-card {
    background: var(--primary-gradient);
    color: white;
    border-radius: 20px;
    padding: 32px;
    position: relative;
    overflow: hidden;
    margin-bottom: 24px;
}

.lecture-info-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.lecture-info-item {
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    transition: all 0.3s ease;
}

.lecture-info-item:hover {
    padding-right: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

.lecture-info-item:last-child {
    border-bottom: none;
}

.lecture-info-label {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.lecture-info-label i {
    font-size: 18px;
}

.lecture-info-value {
    font-weight: 500;
}

/* Messages */
.message-success {
    background: var(--success-gradient);
    color: white;
    padding: 32px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.message-error {
    background: var(--error-gradient);
    color: white;
    padding: 32px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    animation: shake 0.5s ease;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-12px); }
    75% { transform: translateX(12px); }
}

.message-icon {
    font-size: 64px;
    margin-bottom: 16px;
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from { transform: scale(0); }
    to { transform: scale(1); }
}

.message-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 12px 0;
}

.message-text {
    font-size: 16px;
    opacity: 0.95;
    margin: 0;
}

/* Loading */
.loading-wrapper {
    text-align: center;
    padding: 60px 20px;
}

.spinner-student {
    width: 64px;
    height: 64px;
    border: 5px solid var(--border-color);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: spin 1s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.loading-subtext {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Dark Mode - Additional Fixes */
[data-theme="dark"] .student-header::before {
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
}

[data-theme="dark"] .student-header-icon {
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .student-card {
    background: #1e2433;
    border-color: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .student-card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .student-card-icon {
    background: var(--primary-gradient);
}

[data-theme="dark"] .scanner-border-animation::before {
    background: var(--primary-gradient);
}

[data-theme="dark"] .lecture-info-card {
    background: var(--primary-gradient);
}

[data-theme="dark"] .lecture-info-card::before {
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
}

[data-theme="dark"] .message-success {
    background: var(--success-gradient);
}

[data-theme="dark"] .message-error {
    background: var(--error-gradient);
}

[data-theme="dark"] .spinner-student {
    border-color: rgba(255, 255, 255, 0.1);
    border-top-color: #667eea;
}

[data-theme="dark"] .instructions-header i {
    color: #8b9eff;
}

[data-theme="dark"] .divider::before,
[data-theme="dark"] .divider::after {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .divider span {
    color: var(--text-secondary);
}


/* Hidden Utility */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .student-page-wrapper {
        padding: 20px 12px;
    }
    
    .student-main-container {
        border-radius: 24px;
    }
    
    .student-header {
        padding: 32px 24px;
    }
    
    .student-header-icon {
        width: 80px;
        height: 80px;
    }
    
    .student-header-icon i {
        font-size: 40px;
    }
    
    .student-header-title {
        font-size: 24px;
    }
    
    .student-header-subtitle {
        font-size: 14px;
    }
    
    .student-content {
        padding: 24px 20px;
    }
    
    .student-card {
        padding: 24px;
    }
    
    .student-btn-group {
        flex-direction: column;
    }
    
    .student-btn {
        width: 100%;
        justify-content: center;
    }
    
    .manual-input-group {
        flex-direction: column;
    }
    
    .manual-input-group button {
        width: 100%;
        height: 52px;
    }
}

/* Confetti Effect */
.confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    background: #667eea;
    position: absolute;
    animation: confettiFall 3s linear;
    pointer-events: none;
}

@keyframes confettiFall {
    0% {
        opacity: 1;
        transform: translateY(0) rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: translateY(100vh) rotate(720deg);
    }
}

/* Instructions Modal */
.instructions-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

.instructions-modal.hidden {
    display: none;
}

.instructions-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

.instructions-modal-content {
    position: relative;
    background: var(--card-bg);
    border-radius: 24px;
    max-width: 600px;
    width: 100%;
    max-height: 85vh;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    animation: modalSlideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.instructions-modal-header {
    background: var(--primary-gradient);
    padding: 32px 24px;
    text-align: center;
    position: relative;
    color: white;
}

.instructions-modal-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: moveGlow 8s ease-in-out infinite;
}

.instructions-modal-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: pulse 2s ease-in-out infinite;
}

.instructions-modal-icon i {
    font-size: 40px;
    color: white;
}

.instructions-modal-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
    position: relative;
}

.instructions-modal-close {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 1;
}

.instructions-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.instructions-modal-close i {
    font-size: 18px;
}

.instructions-modal-body {
    padding: 32px 24px;
    max-height: calc(85vh - 160px);
    overflow-y: auto;
    position: relative;
}

/* Scroll Indicator - New Creative Design */
.scroll-indicator-container {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    margin: -32px -24px 32px -24px;
    padding: 20px 24px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 50%, #c92a2a 100%);
    z-index: 100;
    animation: slideDownBounce 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.4);
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
    overflow: hidden;
    position: relative;
}

.scroll-indicator-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.3) 50%, 
        transparent 100%);
    animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

@keyframes slideDownBounce {
    0% {
        transform: translateY(-100%) scale(0.8);
        opacity: 0;
    }
    60% {
        transform: translateY(10px) scale(1.05);
        opacity: 1;
    }
    80% {
        transform: translateY(-5px) scale(0.98);
    }
    100% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.scroll-indicator-container.hidden {
    animation: slideUpFade 0.5s ease-out forwards;
}

@keyframes slideUpFade {
    to {
        transform: translateY(-100%);
        opacity: 0;
    }
}

.warning-badge {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.15);
    padding: 16px 20px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    margin-bottom: 16px;
    animation: wiggle 2s ease-in-out infinite;
}

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-2deg); }
    75% { transform: rotate(2deg); }
}

.badge-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    animation: iconPulse 1.5s ease-in-out infinite;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

@keyframes iconPulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }
    50% { 
        transform: scale(1.15);
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
    }
}

.badge-icon i {
    font-size: 26px;
    color: #c92a2a;
    animation: iconShake 0.8s ease-in-out infinite;
}

@keyframes iconShake {
    0%, 100% { transform: rotate(0deg); }
    10%, 30%, 50%, 70%, 90% { transform: rotate(-5deg); }
    20%, 40%, 60%, 80% { transform: rotate(5deg); }
}

.badge-content {
    flex: 1;
    color: white;
}

.badge-title {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 4px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
}

.badge-message {
    font-size: 14px;
    font-weight: 600;
    opacity: 0.95;
    line-height: 1.4;
}

.scroll-hand {
    text-align: center;
    font-size: 40px;
    color: white;
    animation: pointDown 1.5s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

@keyframes pointDown {
    0%, 100% { 
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    50% { 
        transform: translateY(12px) scale(1.1);
        opacity: 0.8;
    }
}

[data-theme="dark"] .scroll-indicator-container {
    background: linear-gradient(135deg, #e63946 0%, #d62828 50%, #9d0208 100%);
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.5);
}

[data-theme="dark"] .warning-badge {
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

.instructions-section {
    margin-bottom: 28px;
}

.instructions-section:last-child {
    margin-bottom: 0;
}

.instructions-section h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 16px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.instructions-section.warning h4 {
    color: #f39c12;
}

.instructions-section.warning {
    background: rgba(243, 156, 18, 0.05);
    padding: 20px;
    border-radius: 16px;
    border: 2px solid rgba(243, 156, 18, 0.2);
}

[data-theme="dark"] .instructions-section.warning {
    background: rgba(243, 156, 18, 0.1);
}

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

.instructions-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.instructions-list li:last-child {
    border-bottom: none;
}

.instructions-list li:hover {
    padding-right: 8px;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 8px;
}

.instructions-list li i {
    color: #667eea;
    font-size: 14px;
    margin-top: 4px;
    flex-shrink: 0;
}

.instructions-list li span {
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.6;
}

.instructions-footer {
    text-align: center;
    padding-top: 24px;
    margin-top: 24px;
    border-top: 2px solid var(--border-color);
}

.instructions-footer .student-btn {
    padding: 14px 40px;
    font-size: 16px;
}

.text-success {
    color: #10b981;
}

.text-warning {
    color: #f39c12;
}

.text-danger {
    color: #ef4444;
}

/* Danger Section (Penalty Warning) */
.instructions-section.danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(220, 38, 38, 0.05) 100%);
    padding: 24px;
    border-radius: 16px;
    border: 2px solid rgba(239, 68, 68, 0.3);
    animation: pulseWarning 2s ease-in-out infinite;
}

@keyframes pulseWarning {
    0%, 100% {
        border-color: rgba(239, 68, 68, 0.3);
        box-shadow: 0 0 0 rgba(239, 68, 68, 0);
    }
    50% {
        border-color: rgba(239, 68, 68, 0.5);
        box-shadow: 0 0 20px rgba(239, 68, 68, 0.2);
    }
}

[data-theme="dark"] .instructions-section.danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(220, 38, 38, 0.08) 100%);
    border-color: rgba(239, 68, 68, 0.4);
}

.instructions-section.danger h4 {
    color: #dc2626;
    font-size: 20px;
    margin-bottom: 20px;
}

.penalty-warning {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.penalty-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulseIcon 1.5s ease-in-out infinite;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

@keyframes pulseIcon {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.penalty-icon i {
    font-size: 28px;
    color: white;
}

.penalty-content {
    flex: 1;
}

.penalty-title {
    font-size: 18px;
    font-weight: 700;
    color: #dc2626;
    margin: 0 0 12px 0;
}

.penalty-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    margin: 0 0 16px 0;
}

.penalty-text strong {
    color: #dc2626;
}

.highlight-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #ffffff !important;
    padding: 2px 8px;
    border-radius: 6px;
    font-weight: 700;
    display: inline-block;
    animation: highlightPulse 2s ease-in-out infinite;
}

@keyframes highlightPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 rgba(239, 68, 68, 0);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 10px rgba(239, 68, 68, 0.4);
    }
}

.penalty-examples {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 16px 0 8px 0;
}

.penalty-list {
    list-style: none;
    padding: 0;
    margin: 0 0 16px 0;
}

.penalty-list li {
    padding: 8px 12px;
    margin: 6px 0;
    background: rgba(239, 68, 68, 0.05);
    border-right: 3px solid #ef4444;
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

.penalty-list li:hover {
    background: rgba(239, 68, 68, 0.1);
    transform: translateX(-4px);
}

[data-theme="dark"] .penalty-list li {
    background: rgba(239, 68, 68, 0.1);
}

[data-theme="dark"] .penalty-list li:hover {
    background: rgba(239, 68, 68, 0.15);
}

.penalty-footer {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 12px 0 0 0;
    padding: 12px;
    background: rgba(239, 68, 68, 0.05);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

[data-theme="dark"] .penalty-footer {
    background: rgba(239, 68, 68, 0.1);
}

.penalty-footer i {
    color: #ef4444;
    font-size: 16px;
}

/* Dark Mode for Modal */
[data-theme="dark"] .instructions-modal-content {
    background: #1a1d2e;
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .instructions-modal-overlay {
    background: rgba(0, 0, 0, 0.85);
}

[data-theme="dark"] .instructions-modal-close {
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .instructions-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
    .instructions-modal-content {
        max-height: 90vh;
        border-radius: 20px;
    }
    
    .instructions-modal-header {
        padding: 24px 20px;
    }
    
    .instructions-modal-icon {
        width: 60px;
        height: 60px;
    }
    
    .instructions-modal-icon i {
        font-size: 30px;
    }
    
    .instructions-modal-header h3 {
        font-size: 20px;
    }
    
    .instructions-modal-body {
        padding: 24px 20px;
        max-height: calc(90vh - 140px);
    }
    
    .instructions-section.warning {
        padding: 16px;
    }
    
    .instructions-section.danger {
        padding: 16px;
    }
    
    .penalty-warning {
        flex-direction: column;
        gap: 16px;
        align-items: center;
        text-align: center;
    }
    
    .penalty-icon {
        width: 50px;
        height: 50px;
    }
    
    .penalty-icon i {
        font-size: 24px;
    }
    
    .penalty-title {
        font-size: 16px;
    }
    
    .penalty-text {
        font-size: 14px;
    }
    
    .penalty-list li {
        font-size: 13px;
        padding: 6px 10px;
    }
    
    .penalty-footer {
        font-size: 12px;
        padding: 10px;
        flex-direction: column;
        text-align: center;
    }
    
    .scroll-indicator-container {
        padding: 16px 20px;
        margin: -24px -20px 24px -20px;
        border-bottom-left-radius: 16px;
        border-bottom-right-radius: 16px;
    }
    
    .warning-badge {
        padding: 12px 16px;
        gap: 12px;
        margin-bottom: 12px;
    }
    
    .badge-icon {
        width: 40px;
        height: 40px;
    }
    
    .badge-icon i {
        font-size: 20px;
    }
    
    .badge-title {
        font-size: 16px;
    }
    
    .badge-message {
        font-size: 13px;
    }
    
    .scroll-hand {
        font-size: 32px;
    }
}

/* ========================================
   PROFILE MODAL STYLES
   ======================================== */

/* Profile Toggle Button */
.profile-toggle {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 1000;
    width: 52px;
    height: 52px;
    background: var(--card-bg);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.profile-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.profile-toggle i {
    font-size: 1.5rem;
    color: var(--text-primary);
}

/* Profile Modal */
.profile-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-modal.hidden {
    display: none;
}

.profile-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

.profile-modal-content {
    position: relative;
    background: var(--card-bg);
    border-radius: 24px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    animation: modalSlideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.profile-modal-header {
    padding: 24px 28px;
    background: var(--primary-gradient);
    color: white;
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
}

.profile-modal-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.profile-modal-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    flex: 1;
}

.profile-modal-close {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    transition: all 0.3s ease;
}

.profile-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.profile-modal-body {
    padding: 28px;
    overflow-y: auto;
    flex: 1;
}

.profile-info-item {
    margin-bottom: 20px;
    padding: 16px;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 12px;
    border-right: 3px solid #667eea;
}

.profile-info-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 14px;
}

.profile-info-label i {
    color: #667eea;
    font-size: 16px;
}

.profile-info-value {
    color: var(--text-secondary);
    font-size: 16px;
    padding-right: 26px;
}

.profile-edit-form {
    margin-top: 24px;
}

.profile-edit-form .form-group-student {
    margin-bottom: 20px;
}

.profile-no-data {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.profile-no-data i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.profile-save-btn {
    width: 100%;
    margin-top: 16px;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}