/* Admin Panel Stylesheet */

.admin-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
}

/* Expand admin container layout for comfortable wide viewing, especially for custom mock test designer */
.admin-layout.container {
    max-width: 1500px;
}

/* Custom Mock Test Creator container */
.custom-exam-container {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 24px;
    align-items: start;
}

/* If screen is narrower, stack the designer index sidebar to keep the question form spacious */
@media(max-width: 1200px) {
    .custom-exam-container {
        grid-template-columns: 1fr;
    }
}

/* Admin Sidebar */
.admin-sidebar {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.admin-sidebar-header {
    padding: 10px;
    border-bottom: 1.5px solid var(--border-color);
    text-align: center;
}

.admin-sidebar-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary);
}

.admin-sidebar-header p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.admin-nav-item:hover, .admin-nav-item.active {
    background-color: var(--primary-light);
    color: var(--primary);
}

/* Admin Main Content Panels */
.admin-main {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.admin-subtab-panel {
    animation: fadeIn var(--transition-normal) forwards;
}

/* Form Cards styling */
.form-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-sm);
}

.form-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
    border-bottom: 1.5px solid var(--border-color);
    padding-bottom: 10px;
    color: var(--secondary);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group-full {
    grid-column: span 2;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.form-control-admin {
    padding: 10px 16px;
    background-color: var(--bg-page);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast);
    width: 100%;
}

.form-control-admin:focus {
    border-color: var(--primary-medium);
}

textarea.form-control-admin {
    resize: vertical;
    min-height: 100px;
}

/* Question Designer Form list */
.question-designer-list {
    margin-top: 25px;
    border-top: 2px dashed var(--border-color);
    padding-top: 25px;
}

.question-designer-item {
    background-color: var(--bg-page);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 15px;
    position: relative;
}

.remove-question-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: transparent;
    color: var(--danger);
    cursor: pointer;
    font-size: 1.1rem;
    transition: transform var(--transition-fast);
}

.remove-question-btn:hover {
    transform: scale(1.1);
}

/* Exam Management Table / List */
.admin-items-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.admin-item-row {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-fast);
}

.admin-item-row:hover {
    border-color: var(--primary-medium);
}

.admin-item-meta h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main);
}

.admin-item-meta p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.admin-item-actions {
    display: flex;
    gap: 10px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* Responsive adjustments */
@media(max-width: 900px) {
    .admin-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .admin-sidebar {
        padding: 15px;
        gap: 10px;
    }
    .admin-sidebar-header {
        padding: 5px;
        border-bottom: none;
    }
    .admin-nav {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 5px;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        gap: 8px;
        scrollbar-width: none; /* Firefox */
    }
    .admin-nav::-webkit-scrollbar {
        display: none; /* Chrome/Safari */
    }
    .admin-nav-item {
        flex: 0 0 auto;
        padding: 8px 14px;
        font-size: 0.85rem;
        scroll-snap-align: start;
        white-space: nowrap;
    }
    .form-grid {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }
    .form-group-full {
        grid-column: span 1 !important;
    }
    .admin-item-row {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 12px !important;
        padding: 16px !important;
    }
    .admin-item-actions {
        width: 100% !important;
        justify-content: flex-end !important;
        gap: 10px !important;
    }
    .admin-item-actions .btn {
        flex: 1 !important;
        text-align: center !important;
    }
}

/* --- High-End Admin Upgrades & Enhancements --- */

/* Glowing Metric Cards & Hover Animations */
.metrics-row .metric-widget {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-page) 100%);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-normal);
}

.metrics-row .metric-widget:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(168, 32, 32, 0.12);
    border-color: var(--primary-medium);
}

.widget-icon.icon-purple { background: rgba(139, 92, 246, 0.12); color: #8b5cf6; }
.widget-icon.icon-green { background: rgba(16, 185, 129, 0.12); color: #10b981; }
.widget-icon.icon-blue { background: rgba(14, 165, 233, 0.12); color: #0ea5e9; }
.widget-icon.icon-orange { background: rgba(245, 158, 11, 0.12); color: #f59e0b; }

/* Visual Subject-Wise Questions Distribution */
.subject-distribution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.sub-distribution-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: border-color var(--transition-fast);
}

.sub-distribution-card:hover {
    border-color: var(--primary-medium);
}

.sub-dist-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--secondary);
}

.sub-dist-label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sub-dist-label i {
    color: var(--primary);
}

.sub-dist-count {
    font-size: 1.15rem;
    color: var(--primary-dark);
}

.progress-bar-bg {
    background-color: var(--border-color);
    border-radius: var(--radius-full);
    height: 8px;
    width: 100%;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.bg-arithmetic { background: linear-gradient(90deg, #3b82f6, #1d4ed8); }
.bg-reasoning { background: linear-gradient(90deg, #a855f7, #6d28d9); }
.bg-english { background: linear-gradient(90deg, #ec4899, #be185d); }
.bg-assamgk { background: linear-gradient(90deg, #f59e0b, #b45309); }
.bg-indiagk { background: linear-gradient(90deg, #10b981, #047857); }
.bg-worldgk { background: linear-gradient(90deg, #64748b, #334155); }

/* Quick Blueprint Presets styling */
.presets-grid {
    display: flex;
    gap: 12px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.btn-preset {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.85rem;
    background: var(--bg-card);
    border: 1.5px solid var(--border-color);
    color: var(--text-main);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-preset:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-preset.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(168, 32, 32, 0.25);
}

/* Question Bank Browser table adjustments */
.attempts-table tbody tr.clickable-row {
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.attempts-table tbody tr.clickable-row:hover {
    background-color: var(--primary-light);
}

/* Side-by-side Inspector Modal */
.inspector-modal-container {
    max-width: 900px;
    width: 95%;
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--border-color);
    padding: 30px;
    animation: scaleIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    margin: auto;
    max-height: 90vh;
    overflow-y: auto;
}

.inspector-split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .inspector-split-layout {
        grid-template-columns: 1fr;
    }
}

.inspector-pane-card {
    background: var(--bg-page);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
}

.inspector-pane-title {
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 6px;
}

.inspector-question-text {
    font-size: 1rem;
    line-height: 1.5;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 15px;
    min-height: 50px;
}

.inspector-options-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.inspector-option-row {
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.inspector-option-row.correct {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
    color: var(--success);
    font-weight: 600;
}

.inspector-option-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    font-size: 0.75rem;
    font-weight: 700;
    background: var(--bg-page);
}

.inspector-option-row.correct .inspector-option-badge {
    background-color: var(--success);
    color: #ffffff;
    border-color: var(--success);
}

.inspector-explanation-box {
    margin-top: 15px;
    background: rgba(168, 32, 32, 0.04);
    border-left: 3.5px solid var(--primary);
    padding: 12px 16px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-muted);
}

/* Image Uploading premium aesthetics */
.image-uploader-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1.5px dashed var(--border-color);
    background-color: var(--primary-light);
    border-radius: var(--radius-md);
    padding: 10px 15px;
    cursor: pointer;
    transition: all var(--transition-fast) ease-in-out;
    outline: none;
    margin-top: 8px;
    min-width: 140px;
    height: 38px;
    box-sizing: border-box;
}

.image-uploader-placeholder:hover, .image-uploader-placeholder:focus, .image-uploader-placeholder.dragover {
    border-color: var(--primary);
    background-color: rgba(63, 81, 181, 0.08);
    box-shadow: 0 0 0 3px rgba(63, 81, 181, 0.15);
    transform: translateY(-1px);
}

.image-uploader-placeholder .placeholder-content {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
}

.image-uploader-placeholder .placeholder-icon {
    font-size: 0.95rem;
}

.image-uploader-placeholder .paste-hint {
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--text-muted);
}

.image-uploader-preview-card {
    display: inline-block;
    margin-top: 8px;
    vertical-align: top;
}

.image-preview-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--border-color);
    overflow: visible;
    background-color: var(--bg-card);
    transition: all var(--transition-fast) ease;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2px;
}

.image-preview-wrapper:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.image-preview-thumbnail {
    max-height: 80px;
    max-width: 140px;
    object-fit: contain;
    border-radius: calc(var(--radius-md) - 2px);
    cursor: zoom-in;
    transition: transform var(--transition-fast) ease;
}

.image-preview-thumbnail:hover {
    transform: scale(1.03);
}

.image-remove-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--bg-card);
    border: none;
    outline: none;
    color: var(--danger);
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 50%;
    padding: 0;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, transform 0.2s;
    box-shadow: var(--shadow-sm);
    z-index: 10;
}

.image-remove-btn:hover {
    color: #d32f2f;
    transform: scale(1.15);
}

/* Question image display inside designer inputs block layout */
.designer-image-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 4px;
}

/* Lightbox preview styling */
.img-lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0,0,0,0.85);
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.img-lightbox-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.img-lightbox-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.img-lightbox-modal.active .img-lightbox-content {
    transform: scale(1);
}

.img-lightbox-close {
    position: absolute;
    top: 25px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: 300;
    cursor: pointer;
    transition: color 0.2s;
}

.img-lightbox-close:hover {
    color: #ccc;
}