/* ================================================================
   FIGIG EXAMS - PROFESSIONAL MOBILE OVERHAUL
   Complete mobile redesign with professional appearance
   ================================================================ */

/* ================================================================
   CRITICAL FIXES - CATALOG PAGE
   ================================================================ */

/* Remove sticky positioning that hides content on mobile */
@media (max-width: 992px) {
    .catalog-filters {
        position: static !important;
        top: auto !important;
        z-index: 1 !important;
        margin-bottom: var(--space-4) !important;
    }
}

/* Professional filter redesign for mobile */
@media (max-width: 768px) {
    .catalog-filters {
        background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%) !important;
        border: 1px solid rgba(99, 102, 241, 0.1) !important;
        padding: var(--space-4) !important;
        border-radius: var(--radius-lg) !important;
        box-shadow: 0 2px 8px rgba(99, 102, 241, 0.08) !important;
    }

    .catalog-filters .row {
        row-gap: var(--space-3) !important;
    }

    /* Stack all filter columns */
    .catalog-filters .col-md-4,
    .catalog-filters .col-md-2 {
        width: 100% !important;
        max-width: 100% !important;
        flex: 0 0 100% !important;
    }

    /* Input styling */
    .catalog-filters .input-group-text {
        background: white !important;
        border-color: rgba(99, 102, 241, 0.2) !important;
        color: var(--primary-600) !important;
    }

    .catalog-filters .form-control,
    .catalog-filters .form-select {
        border-color: rgba(99, 102, 241, 0.2) !important;
        font-size: 0.9375rem !important;
        padding: 0.625rem 0.875rem !important;
    }

    .catalog-filters .form-control:focus,
    .catalog-filters .form-select:focus {
        border-color: var(--primary-600) !important;
        box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1) !important;
    }

    /* Button full width on mobile */
    .catalog-filters .text-end {
        text-align: left !important;
    }

    .catalog-filters .btn {
        width: 100% !important;
        padding: 0.75rem !important;
        font-weight: 600 !important;
        border-radius: var(--radius-md) !important;
    }
}

/* ================================================================
   PROFESSIONAL IMAGERY REDESIGN
   ================================================================ */

/* Catalog Hero - Professional gradient overlay */
.catalog-hero {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl) !important;
    min-height: 200px;
}

.catalog-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.catalog-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Professional gradient overlay - not beginner */
.catalog-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(99, 102, 241, 0.95) 0%,
        rgba(139, 92, 246, 0.90) 50%,
        rgba(168, 85, 247, 0.85) 100%
    );
    z-index: 1;
}

/* Subtle light accent */
.catalog-hero::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(
        ellipse at center,
        rgba(255, 255, 255, 0.15) 0%,
        transparent 60%
    );
    z-index: 2;
    transform: rotate(-15deg);
}

@media (max-width: 768px) {
    .catalog-hero {
        border-radius: var(--radius-lg) !important;
        min-height: 150px;
    }

    .catalog-hero::before {
        background: linear-gradient(
            135deg,
            rgba(99, 102, 241, 0.96) 0%,
            rgba(168, 85, 247, 0.92) 100%
        );
    }
}

/* Exam Card Headers - Professional redesign */
.exam-card-header {
    position: relative;
    height: 200px;
    overflow: hidden;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0 !important;
}

.exam-card-header-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.exam-card-header-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.85);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Professional gradient overlay on cards */
.exam-card-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.05) 0%,
        rgba(0, 0, 0, 0.3) 50%,
        rgba(0, 0, 0, 0.7) 100%
    );
    z-index: 1;
}

/* Subtle shine effect */
.exam-card-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 100%
    );
    z-index: 2;
    transition: left 0.5s ease;
}

.exam-card:hover .exam-card-header::after {
    left: 100%;
}

.exam-card:hover .exam-card-header-bg img {
    transform: scale(1.08);
}

@media (max-width: 768px) {
    .exam-card-header {
        height: 160px;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    }

    /* Disable expensive animations on mobile */
    .exam-card:hover .exam-card-header-bg img,
    .exam-card:active .exam-card-header-bg img {
        transform: none !important;
    }

    .exam-card:hover .exam-card-header::after,
    .exam-card:active .exam-card-header::after {
        left: -100% !important;
    }
}

@media (max-width: 576px) {
    .exam-card-header {
        height: 140px;
    }
}

/* Hero Background - Professional */
.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.7);
}

.hero-section-modern::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(99, 102, 241, 0.92) 0%,
        rgba(139, 92, 246, 0.88) 50%,
        rgba(168, 85, 247, 0.84) 100%
    );
    z-index: 1;
}

/* ================================================================
   EXAM PAGE - COMPLETE MOBILE REDESIGN
   ================================================================ */

@media (max-width: 992px) {
    .exam-container {
        padding: 0 !important;
    }

    /* Exam Header - Sticky and compact */
    .exam-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: white;
        padding: var(--space-3) var(--space-4) !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        border-bottom: 2px solid var(--primary-600);
    }

    .exam-header h3 {
        font-size: 1.125rem !important;
        margin-bottom: 0 !important;
    }

    .exam-header .d-flex {
        flex-wrap: wrap;
        gap: var(--space-2) !important;
    }

    /* Timer styling */
    .timer {
        padding: var(--space-2) var(--space-3) !important;
        background: linear-gradient(135deg, var(--primary-600), var(--primary-700)) !important;
        color: white !important;
        border-radius: var(--radius-md) !important;
        font-weight: 600 !important;
        font-size: 0.9375rem !important;
        box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3) !important;
    }

    .timer-warning {
        background: linear-gradient(135deg, var(--error-500), var(--error-600)) !important;
        animation: pulse 2s ease-in-out infinite !important;
    }

    @keyframes pulse {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.8; }
    }

    /* Progress bar */
    .exam-progress {
        margin-top: var(--space-2) !important;
    }

    .exam-progress .progress {
        height: 6px !important;
        border-radius: var(--radius-full) !important;
        background: rgba(99, 102, 241, 0.1) !important;
    }

    .exam-progress .progress-bar {
        background: linear-gradient(90deg, var(--primary-600), var(--accent-purple)) !important;
        border-radius: var(--radius-full) !important;
        transition: width 0.3s ease !important;
    }
}

@media (max-width: 768px) {
    .exam-header {
        padding: var(--space-3) !important;
    }

    .exam-header h3 {
        font-size: 1rem !important;
        width: 100%;
        margin-bottom: var(--space-2) !important;
    }

    .timer {
        font-size: 0.875rem !important;
        padding: 0.5rem 0.75rem !important;
    }

    .exam-header .btn-sm {
        font-size: 0.8125rem !important;
        padding: 0.5rem 0.75rem !important;
    }
}

/* Question Card - Mobile optimized */
@media (max-width: 992px) {
    .exam-body {
        padding: var(--space-4) !important;
    }

    .question-card {
        background: white !important;
        border-radius: var(--radius-xl) !important;
        padding: var(--space-5) !important;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06) !important;
        border: 1px solid rgba(99, 102, 241, 0.1) !important;
    }

    .question-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: var(--space-4) !important;
        padding-bottom: var(--space-3) !important;
        border-bottom: 2px solid var(--gray-100) !important;
    }

    .question-header h4 {
        font-size: 1.125rem !important;
        color: var(--primary-600) !important;
        margin: 0 !important;
    }

    .question-text {
        font-size: 1rem !important;
        line-height: 1.7 !important;
        color: var(--gray-900) !important;
        margin-bottom: var(--space-4) !important;
    }

    /* Question figure - professional */
    .question-figure {
        margin: var(--space-4) 0 !important;
        border-radius: var(--radius-lg) !important;
        overflow: hidden !important;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1) !important;
        background: var(--gray-50) !important;
    }

    .question-figure img {
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    /* Answer options - beautiful */
    .answer-option {
        display: flex !important;
        align-items: flex-start !important;
        padding: var(--space-4) !important;
        margin-bottom: var(--space-3) !important;
        background: white !important;
        border: 2px solid var(--gray-200) !important;
        border-radius: var(--radius-lg) !important;
        cursor: pointer !important;
        transition: all 0.2s ease !important;
    }

    .answer-option:hover {
        background: rgba(99, 102, 241, 0.03) !important;
        border-color: var(--primary-600) !important;
        transform: translateX(4px) !important;
    }

    .answer-option input[type="radio"],
    .answer-option input[type="checkbox"] {
        margin-top: 0.25rem !important;
        margin-right: var(--space-3) !important;
        width: 20px !important;
        height: 20px !important;
        cursor: pointer !important;
    }

    .answer-option:has(input:checked) {
        background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(168, 85, 247, 0.06)) !important;
        border-color: var(--primary-600) !important;
        box-shadow: 0 2px 8px rgba(99, 102, 241, 0.15) !important;
    }

    .answer-text {
        flex: 1 !important;
        font-size: 0.9375rem !important;
        line-height: 1.6 !important;
        color: var(--gray-800) !important;
    }
}

@media (max-width: 768px) {
    .exam-body {
        padding: var(--space-3) !important;
    }

    .question-card {
        padding: var(--space-4) !important;
        border-radius: var(--radius-lg) !important;
    }

    .question-text {
        font-size: 0.9375rem !important;
    }

    .answer-option {
        padding: var(--space-3) !important;
    }

    .answer-text {
        font-size: 0.875rem !important;
    }
}

/* Exam Navigation - Mobile friendly */
@media (max-width: 992px) {
    .exam-navigation {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        background: white !important;
        padding: var(--space-4) !important;
        box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.1) !important;
        border-top: 2px solid var(--primary-600) !important;
        z-index: 99 !important;
        display: flex !important;
        gap: var(--space-3) !important;
    }

    .exam-navigation .btn {
        flex: 1 !important;
        padding: var(--space-3) !important;
        font-weight: 600 !important;
        font-size: 0.9375rem !important;
        border-radius: var(--radius-md) !important;
    }

    .exam-navigation .btn-primary {
        background: linear-gradient(135deg, var(--primary-600), var(--primary-700)) !important;
    }

    /* Add padding to exam body to account for fixed navigation */
    .exam-body {
        padding-bottom: 100px !important;
    }
}

@media (max-width: 768px) {
    .exam-navigation {
        padding: var(--space-3) !important;
    }

    .exam-navigation .btn {
        font-size: 0.875rem !important;
        padding: 0.75rem !important;
    }
}

/* Question Grid Overview - Mobile optimized */
@media (max-width: 768px) {
    .question-grid {
        display: grid !important;
        grid-template-columns: repeat(5, 1fr) !important;
        gap: var(--space-2) !important;
        padding: var(--space-3) !important;
        max-height: 60vh !important;
        overflow-y: auto !important;
    }

    .question-number-btn {
        aspect-ratio: 1 !important;
        padding: var(--space-2) !important;
        font-size: 0.875rem !important;
        font-weight: 600 !important;
        border-radius: var(--radius-md) !important;
        border: 2px solid var(--gray-200) !important;
        background: white !important;
        transition: all 0.2s ease !important;
    }

    .question-number-btn.answered {
        background: linear-gradient(135deg, var(--success-500), var(--success-600)) !important;
        color: white !important;
        border-color: var(--success-600) !important;
    }

    .question-number-btn.flagged {
        background: linear-gradient(135deg, var(--warning-500), var(--warning-600)) !important;
        color: white !important;
        border-color: var(--warning-600) !important;
    }

    .question-number-btn.current {
        background: linear-gradient(135deg, var(--primary-600), var(--primary-700)) !important;
        color: white !important;
        border-color: var(--primary-700) !important;
        box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3) !important;
    }
}

@media (max-width: 576px) {
    .question-grid {
        grid-template-columns: repeat(4, 1fr) !important;
    }
}

/* ================================================================
   STATS CARDS - PROFESSIONAL REDESIGN
   ================================================================ */

@media (max-width: 992px) {
    .catalog-stats {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--space-3) !important;
        margin-bottom: var(--space-4) !important;
    }

    .stat-box {
        background: linear-gradient(135deg, white 0%, #f8f9ff 100%) !important;
        padding: var(--space-4) !important;
        border-radius: var(--radius-lg) !important;
        border: 1px solid rgba(99, 102, 241, 0.1) !important;
        box-shadow: 0 2px 8px rgba(99, 102, 241, 0.05) !important;
        text-align: center !important;
        transition: all 0.2s ease !important;
    }

    .stat-box:hover {
        transform: translateY(-2px) !important;
        box-shadow: 0 4px 12px rgba(99, 102, 241, 0.12) !important;
    }

    .stat-box h3 {
        font-size: 1.75rem !important;
        font-weight: 700 !important;
        margin-bottom: var(--space-2) !important;
        background: linear-gradient(135deg, var(--primary-600), var(--accent-purple)) !important;
        -webkit-background-clip: text !important;
        -webkit-text-fill-color: transparent !important;
        background-clip: text !important;
    }

    .stat-box p {
        font-size: 0.875rem !important;
        color: var(--gray-600) !important;
        font-weight: 600 !important;
        margin: 0 !important;
        text-transform: uppercase !important;
        letter-spacing: 0.5px !important;
    }
}

@media (max-width: 576px) {
    .stat-box {
        padding: var(--space-3) !important;
    }

    .stat-box h3 {
        font-size: 1.5rem !important;
    }

    .stat-box p {
        font-size: 0.75rem !important;
    }
}

/* ================================================================
   BADGES - PROFESSIONAL STYLING
   ================================================================ */

.badge {
    padding: 0.375rem 0.75rem !important;
    border-radius: var(--radius-md) !important;
    font-weight: 600 !important;
    font-size: 0.8125rem !important;
    letter-spacing: 0.3px !important;
}

.badge-purple {
    background: linear-gradient(135deg, var(--accent-purple), #9333ea) !important;
    color: white !important;
    box-shadow: 0 2px 6px rgba(168, 85, 247, 0.3) !important;
}

.badge-info {
    background: linear-gradient(135deg, var(--info-500), #2563eb) !important;
    color: white !important;
    box-shadow: 0 2px 6px rgba(59, 130, 246, 0.3) !important;
}

.badge-success {
    background: linear-gradient(135deg, var(--success-500), var(--success-600)) !important;
    color: white !important;
    box-shadow: 0 2px 6px rgba(16, 185, 129, 0.3) !important;
}

.badge-warning {
    background: linear-gradient(135deg, var(--warning-500), var(--warning-600)) !important;
    color: white !important;
    box-shadow: 0 2px 6px rgba(245, 158, 11, 0.3) !important;
}

@media (max-width: 576px) {
    .badge {
        padding: 0.25rem 0.5rem !important;
        font-size: 0.75rem !important;
    }
}

/* ================================================================
   BUTTONS - PROFESSIONAL POLISH
   ================================================================ */

.btn {
    border-radius: var(--radius-md) !important;
    font-weight: 600 !important;
    transition: all 0.2s ease !important;
    border: none !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700)) !important;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3) !important;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800)) !important;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4) !important;
    transform: translateY(-1px) !important;
}

.btn-success {
    background: linear-gradient(135deg, var(--success-500), var(--success-600)) !important;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3) !important;
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-500), var(--warning-600)) !important;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3) !important;
}

.btn-danger {
    background: linear-gradient(135deg, var(--error-500), var(--error-600)) !important;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3) !important;
}

/* ================================================================
   CARDS - PROFESSIONAL ELEVATION
   ================================================================ */

.exam-card {
    background: white !important;
    border-radius: var(--radius-xl) !important;
    overflow: hidden !important;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    border: 1px solid rgba(99, 102, 241, 0.08) !important;
}

.exam-card:hover {
    transform: translateY(-4px) !important;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15) !important;
}

@media (max-width: 768px) {
    .exam-card {
        border-radius: var(--radius-lg) !important;
    }

    .exam-card:hover {
        transform: none !important;
    }
}

.exam-card-body {
    padding: var(--space-5) !important;
}

@media (max-width: 768px) {
    .exam-card-body {
        padding: var(--space-4) !important;
    }
}

@media (max-width: 576px) {
    .exam-card-body {
        padding: var(--space-3) !important;
    }
}

/* ================================================================
   MODALS - MOBILE FRIENDLY
   ================================================================ */

@media (max-width: 768px) {
    .modal-dialog {
        margin: var(--space-4) !important;
        max-width: calc(100% - var(--space-8)) !important;
    }

    .modal-content {
        border-radius: var(--radius-lg) !important;
        border: none !important;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2) !important;
    }

    .modal-header {
        padding: var(--space-4) !important;
        border-bottom: 1px solid var(--gray-100) !important;
    }

    .modal-body {
        padding: var(--space-4) !important;
        max-height: 60vh !important;
        overflow-y: auto !important;
    }

    .modal-footer {
        padding: var(--space-4) !important;
        border-top: 1px solid var(--gray-100) !important;
        gap: var(--space-2) !important;
    }

    .modal-footer .btn {
        flex: 1 !important;
        margin: 0 !important;
    }
}

/* ================================================================
   FORM CONTROLS - PROFESSIONAL
   ================================================================ */

.form-control,
.form-select {
    border-radius: var(--radius-md) !important;
    border: 2px solid var(--gray-200) !important;
    padding: 0.75rem 1rem !important;
    font-size: 1rem !important;
    transition: all 0.2s ease !important;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-600) !important;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1) !important;
    outline: none !important;
}

@media (max-width: 576px) {
    .form-control,
    .form-select {
        font-size: 0.9375rem !important;
        padding: 0.625rem 0.875rem !important;
    }
}

/* ================================================================
   LOADING STATES - PROFESSIONAL
   ================================================================ */

.spinner-border {
    border-width: 3px !important;
}

.image-loading {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: var(--space-8) !important;
    background: var(--gray-50) !important;
    border-radius: var(--radius-lg) !important;
    color: var(--gray-600) !important;
}

/* ================================================================
   SMOOTH SCROLLING & POLISH
   ================================================================ */

html {
    scroll-behavior: smooth;
}

@media (max-width: 768px) {
    * {
        -webkit-tap-highlight-color: rgba(99, 102, 241, 0.1);
    }

    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}