/* Copyright (C) 2026 JSLY
 * SPDX-License-Identifier: AGPL-3.0-or-later */

.article-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: 20px;
}

.modal-content {
    background: transparent;
    max-width: 1100px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray);
    z-index: 10;
}

.reading-progress-bar {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 5;
    flex-shrink: 0;
}

.reading-progress-bar .progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.1s ease;
}

.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 120px;
    z-index: 3000;
}

.search-modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.search-modal-header {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    gap: 12px;
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1.1rem;
    padding: 4px 0;
    background: none;
    color: inherit;
}

.search-close {
    font-size: 28px;
    cursor: pointer;
    color: var(--gray);
    line-height: 1;
}

.search-close:hover {
    color: var(--dark);
}

.search-results {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

.search-result-item {
    padding: 12px 20px;
    cursor: pointer;
    transition: var(--transition);
}

.search-result-item:hover {
    background: var(--light);
}

.search-result-item.selected {
    background: var(--light-gray);
}

.search-result-excerpt {
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 4px;
    line-height: 1.4;
}

.search-result-excerpt strong {
    color: var(--primary);
}

.search-result-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--dark);
}

.search-result-title strong {
    color: var(--primary);
}

.search-result-meta {
    display: flex;
    gap: 10px;
    align-items: center;
    font-size: 0.85rem;
    color: var(--gray);
}

.search-result-meta .tag {
    font-size: 0.75rem;
    padding: 2px 10px;
}

.search-empty {
    text-align: center;
    padding: 40px;
    color: var(--gray);
}

.search-hint {
    padding: 10px 20px;
    font-size: 0.8rem;
    color: var(--gray);
    border-top: 1px solid var(--border);
}

.settings-toggle {
    font-size: 18px;
    cursor: pointer;
    color: var(--gray);
    transition: var(--transition);
}

.settings-toggle:hover {
    color: var(--primary);
}

.settings-dropdown {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 5000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.settings-dropdown.show {
    display: flex;
}

.settings-panel {
    background: white;
    border-radius: 10px;
    max-width: 800px;
    width: 100%;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    position: relative;
    max-height: 85vh;
    overflow-y: auto;
}

.settings-close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray);
    line-height: 1;
}

.settings-close:hover {
    color: var(--dark);
}

.settings-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 16px;
}

.settings-subtitle {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 20px 0 10px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.settings-subtitle:first-of-type {
    margin-top: 0;
    border-top: none;
}

.settings-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    cursor: pointer;
    font-size: 1rem;
    color: var(--gray);
    transition: var(--transition);
}

.settings-option:hover {
    color: var(--primary);
}

.settings-option input[type="radio"] {
    accent-color: var(--primary);
    cursor: pointer;
    width: 18px;
    height: 18px;
}

/* Toggle switch for nav lock */
.settings-option input[type="checkbox"] {
    -webkit-appearance: none;
    appearance: none;
    position: relative;
    width: 44px;
    height: 24px;
    background: #ccc;
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.3s ease;
    flex-shrink: 0;
    margin: 0;
}

.settings-option input[type="checkbox"]::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.3s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.settings-option input[type="checkbox"]:checked {
    background: var(--primary);
}

.settings-option input[type="checkbox"]:checked::before {
    transform: translateX(20px);
}

.dark-mode .settings-option input[type="checkbox"] {
    background: #555;
}

.dark-mode .settings-option input[type="checkbox"]:checked {
    background: var(--primary);
}

.dark-mode .modal-content {
    background: transparent;
}

.dark-mode .search-modal-content {
    background: var(--light);
    color: var(--dark);
}

.dark-mode .settings-panel {
    background: var(--light);
}

.dark-mode .settings-title {
    color: var(--dark);
}

.dark-mode .settings-subtitle {
    color: var(--gray);
    border-top-color: var(--border);
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.back-to-top.visible:hover {
    transform: translateY(-3px);
}

.dark-mode .back-to-top {
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
}

/* Image lightbox */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    padding: 40px;
}

.lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-overlay img {
    max-width: 95vw;
    max-height: 95vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
    cursor: default;
}

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

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: white;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s ease;
    z-index: 10001;
    line-height: 1;
}

.lightbox-close:hover {
    opacity: 1;
}

@media (max-width: 600px) {
    .lightbox-overlay {
        padding: 20px;
    }
    .lightbox-close {
        top: 10px;
        right: 15px;
        font-size: 32px;
    }
}

/* Keyboard shortcuts help modal */
.shortcuts-help-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 6000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.shortcuts-help-content {
    background: white;
    border-radius: 12px;
    padding: 30px;
    max-width: 450px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    position: relative;
}

.shortcuts-help-content h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: var(--dark);
}

.shortcuts-help-close {
    position: absolute;
    top: 12px;
    right: 18px;
    font-size: 28px;
    cursor: pointer;
    color: var(--gray);
    line-height: 1;
}

.shortcuts-help-close:hover {
    color: var(--dark);
}

.shortcuts-table {
    width: 100%;
    border-collapse: collapse;
}

.shortcuts-table tr + tr {
    border-top: 1px solid var(--border);
}

.shortcuts-table td {
    padding: 10px 8px;
    font-size: 0.95rem;
    color: var(--gray);
}

.shortcuts-table td:first-child {
    width: 80px;
    text-align: center;
}

.shortcuts-table kbd {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.85rem;
    font-family: 'Fira Code', Consolas, monospace;
    background: var(--light-gray);
    border: 1px solid var(--border);
    border-radius: 5px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
    color: var(--dark);
}

.dark-mode .shortcuts-help-content {
    background: var(--light);
}

.dark-mode .shortcuts-help-content h3 {
    color: var(--dark);
}

.dark-mode .shortcuts-table kbd {
    background: var(--light-gray);
    border-color: var(--border);
    color: var(--dark);
}