/* ========================================
   Markdown Editor — Styles
   Extends the main site theme
   ======================================== */

/* ---- Editor Main Layout ---- */

.editor-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 1.5rem 0;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 64px);
    min-height: 0;
}

/* ---- Editor Header Bar ---- */

.editor-header-bar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.editor-page-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.editor-page-title i {
    color: var(--accent);
}

.editor-page-sub {
    font-size: 0.9rem;
    color: var(--text-mid);
    margin-top: 0.2rem;
}

.editor-actions-top {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.filename-input-group {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: 8px;
    padding: 0 0.75rem;
    transition: var(--transition);
}

.filename-input-group:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.filename-input-group label {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-right: 0.4rem;
}

.filename-input-group input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-dark);
    font-size: 0.9rem;
    font-family: 'Consolas', 'Fira Code', monospace;
    padding: 0.55rem 0;
    width: 180px;
}

.filename-ext {
    color: var(--text-light);
    font-size: 0.85rem;
    font-family: 'Consolas', 'Fira Code', monospace;
}

.btn-export {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    background: var(--accent);
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-export:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(201, 169, 89, 0.3);
}

.dark-mode .btn-export {
    color: #0d0f1a;
}

.btn-export-all {
    background: transparent;
    color: var(--accent);
    border: 1.5px solid var(--accent);
}

.btn-export-all:hover {
    background: var(--accent);
    color: #fff;
}

.dark-mode .btn-export-all {
    color: var(--accent);
}

.dark-mode .btn-export-all:hover {
    color: #0d0f1a;
}

.btn-clear {
    background: transparent;
    color: #e74c3c;
    border: 1.5px solid #e74c3c;
}

.btn-clear:hover {
    background: #e74c3c;
    color: #fff;
}

.dark-mode .btn-clear {
    color: #ff6b6b;
    border-color: #ff6b6b;
}

.dark-mode .btn-clear:hover {
    background: #ff6b6b;
    color: #0d0f1a;
}

/* ---- Toolbar ---- */

.editor-toolbar {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius) var(--radius) 0 0;
    flex-wrap: wrap;
    flex-shrink: 0;
    position: sticky;
    top: 64px;
    z-index: 50;
    transition: box-shadow 0.2s ease;
}

.editor-toolbar.is-stuck {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    border-radius: 0;
}

.toolbar-group {
    display: flex;
    gap: 0.15rem;
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background: var(--border);
    margin: 0 0.35rem;
}

.toolbar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    min-width: 34px;
    height: 34px;
    padding: 0 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-mid);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.toolbar-btn:hover {
    color: var(--accent);
    background: var(--accent-soft);
}

.toolbar-btn-sm {
    min-width: 28px;
    height: 28px;
    font-size: 0.75rem;
}

/* ---- Editor Container (split panes) ---- */

.editor-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
    overflow: hidden;
    flex: 1;
    min-height: 0;
}

.editor-pane {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
    min-height: 0;
    overflow: hidden;
}

.preview-pane {
    display: flex;
    flex-direction: column;
    background: var(--bg-light);
    min-height: 0;
    overflow: hidden;
}

.pane-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-light);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}

.pane-header i {
    margin-right: 0.35rem;
    font-size: 0.7rem;
}

.char-count {
    font-weight: 500;
    font-size: 0.7rem;
    color: var(--text-light);
}

/* ---- Textarea ---- */

#markdownInput {
    flex: 1;
    resize: none;
    border: none;
    outline: none;
    padding: 1.25rem;
    font-family: 'Consolas', 'Fira Code', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-dark);
    background: var(--bg-card);
    tab-size: 4;
    overflow-y: auto;
    min-height: 0;
}

#markdownInput::placeholder {
    color: var(--text-light);
    opacity: 0.6;
}

/* ---- Preview ---- */

.preview-content {
    flex: 1;
    padding: 1.5rem 2rem;
    overflow-y: auto;
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.preview-placeholder {
    color: var(--text-light);
    font-style: italic;
}

/* Preview typography */
.preview-content h1 {
    font-size: 2rem;
    font-weight: 800;
    margin: 1.5rem 0 0.75rem;
    padding-bottom: 0.3rem;
    border-bottom: 2px solid var(--border);
    color: var(--text-dark);
}

.preview-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 1.25rem 0 0.6rem;
    padding-bottom: 0.2rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-dark);
}

.preview-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 1rem 0 0.5rem;
    color: var(--text-dark);
}

.preview-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1rem 0 0.5rem;
    color: var(--text-mid);
}

.preview-content p {
    margin: 0.6rem 0;
}

.preview-content strong {
    font-weight: 700;
    color: var(--text-dark);
}

.preview-content em {
    font-style: italic;
}

.preview-content del {
    text-decoration: line-through;
    color: var(--text-light);
}

.preview-content a {
    color: var(--accent);
    text-decoration: underline;
}

.preview-content ul, .preview-content ol {
    margin: 0.6rem 0;
    padding-left: 1.5rem;
}

.preview-content li {
    margin: 0.25rem 0;
}

.preview-content blockquote {
    margin: 1rem 0;
    padding: 0.75rem 1.25rem;
    border-left: 4px solid var(--accent);
    background: var(--accent-soft);
    color: var(--text-mid);
    border-radius: 0 8px 8px 0;
}

.preview-content code {
    font-family: 'Consolas', 'Fira Code', monospace;
    font-size: 0.85em;
    background: var(--accent-soft);
    color: var(--accent);
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
}

.preview-content pre {
    margin: 1rem 0;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow-x: auto;
}

.preview-content pre code {
    background: none;
    padding: 0;
    color: var(--text-dark);
    font-size: 0.85rem;
}

.preview-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
}

.preview-content th, .preview-content td {
    padding: 0.6rem 1rem;
    border: 1px solid var(--border);
    text-align: left;
}

.preview-content th {
    background: var(--accent-soft);
    font-weight: 700;
    color: var(--text-dark);
}

.preview-content tr:nth-child(even) {
    background: var(--bg-light);
}

.preview-content hr {
    border: none;
    height: 2px;
    background: var(--border);
    margin: 2rem 0;
    border-radius: 1px;
}

.preview-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1rem 0;
    box-shadow: var(--shadow-sm);
}

.preview-content .header-image {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}

/* Table of contents in preview */
.preview-content .toc {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    margin: 1rem 0 2rem;
}

.preview-content .toc-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.preview-content .toc ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.preview-content .toc li {
    margin: 0.2rem 0;
}

.preview-content .toc a {
    color: var(--text-mid);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.preview-content .toc a:hover {
    color: var(--accent);
}

.preview-content .toc .toc-h2 { padding-left: 0; }
.preview-content .toc .toc-h3 { padding-left: 1.25rem; }
.preview-content .toc .toc-h4 { padding-left: 2.5rem; }

/* Checkbox list styling */
.preview-content .task-list {
    list-style: none;
    padding-left: 0.25rem;
}

.preview-content .task-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.preview-content .task-list input[type="checkbox"] {
    margin-top: 0.35rem;
    accent-color: var(--accent);
}

/* ---- Images Panel ---- */

.images-panel {
    margin-top: 0.75rem;
    padding-bottom: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    flex-shrink: 0;
}

.images-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.images-panel-header h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.images-panel-header h3 i {
    color: var(--accent);
}

.btn-upload {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-soft);
    border: 1.5px solid transparent;
    padding: 0.4rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-upload:hover {
    border-color: var(--accent);
    background: var(--accent);
    color: #fff;
}

.dark-mode .btn-upload:hover {
    color: #0d0f1a;
}

.image-gallery {
    padding: 1rem 1.25rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    min-height: 60px;
}

.gallery-placeholder {
    color: var(--text-light);
    font-size: 0.85rem;
    font-style: italic;
}

.gallery-item {
    position: relative;
    width: 130px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
    background: var(--bg-light);
}

.gallery-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
}

.gallery-item img {
    width: 100%;
    height: 90px;
    object-fit: cover;
    display: block;
}

.gallery-item-info {
    padding: 0.35rem 0.5rem;
    font-size: 0.65rem;
    color: var(--text-mid);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gallery-item-actions {
    position: absolute;
    top: 4px;
    right: 4px;
    display: flex;
    gap: 3px;
    opacity: 0;
    transition: opacity 0.2s;
}

.gallery-item:hover .gallery-item-actions {
    opacity: 1;
}

.gallery-action-btn {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: #fff;
    background: rgba(0,0,0,0.6);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.gallery-action-btn:hover {
    background: var(--accent);
}

.gallery-action-btn.delete-btn:hover {
    background: #e74c3c;
}

/* ---- Modal ---- */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.modal-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 560px;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.25s ease;
}

.modal-box-sm {
    max-width: 420px;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-header h3 i {
    color: var(--accent);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

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

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
}

.modal-tabs {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
    background: var(--bg-light);
    border-radius: 8px;
    padding: 0.2rem;
}

.modal-tab {
    flex: 1;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-mid);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.modal-tab.active {
    background: var(--bg-card);
    color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.modal-tab:hover:not(.active) {
    color: var(--text-dark);
}

.modal-field {
    margin-top: 1rem;
}

.modal-field label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-mid);
    margin-bottom: 0.35rem;
}

.modal-input {
    width: 100%;
    padding: 0.6rem 0.85rem;
    font-size: 0.9rem;
    color: var(--text-dark);
    background: var(--bg-light);
    border: 1.5px solid var(--border);
    border-radius: 8px;
    outline: none;
    transition: var(--transition);
}

.modal-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.modal-field-row {
    display: flex;
    gap: 1rem;
}

.modal-field-row .modal-field {
    flex: 1;
}

.upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2.5rem 1rem;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-light);
}

.upload-zone:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
}

.upload-zone i {
    font-size: 2rem;
}

.upload-zone span {
    font-size: 0.85rem;
    font-weight: 500;
}

.modal-gallery {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    max-height: 200px;
    overflow-y: auto;
}

.modal-gallery-item {
    width: 80px;
    height: 60px;
    border-radius: 6px;
    overflow: hidden;
    border: 2px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.modal-gallery-item:hover,
.modal-gallery-item.selected {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-soft);
}

.modal-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.btn-primary-sm {
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    background: var(--accent);
    border: none;
    padding: 0.55rem 1.25rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary-sm:hover {
    background: var(--accent-hover);
}

.dark-mode .btn-primary-sm {
    color: #0d0f1a;
}

.btn-secondary-sm {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-mid);
    background: transparent;
    border: 1.5px solid var(--border);
    padding: 0.55rem 1.25rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary-sm:hover {
    border-color: var(--text-mid);
    color: var(--text-dark);
}

/* ---- Toast notification ---- */

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--accent);
    border-radius: 8px;
    color: var(--text-dark);
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    z-index: 300;
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.5s forwards;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toast i {
    color: var(--accent);
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(10px); }
}

/* ---- Responsive ---- */

@media (max-width: 900px) {
    .editor-container {
        grid-template-columns: 1fr;
    }

    .editor-pane {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .editor-header-bar {
        flex-direction: column;
        align-items: flex-start;
    }

    .editor-actions-top {
        width: 100%;
    }

    .filename-input-group {
        flex: 1;
    }

    .filename-input-group input {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .editor-main {
        padding: 1rem 1rem 2rem;
    }

    .editor-toolbar {
        gap: 0.15rem;
        padding: 0.4rem;
    }

    .toolbar-btn {
        min-width: 30px;
        height: 30px;
        font-size: 0.75rem;
    }

    .toolbar-divider {
        height: 20px;
        margin: 0 0.2rem;
    }

    .editor-actions-top {
        flex-direction: column;
    }

    .btn-export {
        width: 100%;
        justify-content: center;
    }
}