:root {
    --bg: #f5f5f5;
    --bg-alt: #e8e8e8;
    --text: #333333;
    --text-muted: #666666;
    --accent: #4a90d9;
    --border: #ccc;
    --border-light: #ddd;
    --error: #d94a4a;
    --success: #4ad94a;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Courier New', Courier, monospace;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--accent);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

header {
    border-bottom: 1px solid var(--border);
    background: var(--bg-alt);
}

header nav {
    max-width: 900px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.2em;
    font-weight: bold;
    color: var(--text);
}

#auth-status a {
    margin-left: 12px;
    font-size: 0.85em;
}

main {
    max-width: 900px;
    margin: 0 auto;
    padding: 24px 20px;
    width: 100%;
    flex: 1;
}

footer {
    border-top: 1px solid var(--border);
    text-align: center;
    padding: 16px 20px;
    font-size: 0.85em;
    color: var(--text-muted);
}

.loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    font-family: 'Courier New', Courier, monospace;
    padding: 8px 16px;
    border: 1px solid var(--border);
    background: var(--bg-alt);
    color: var(--text);
    cursor: pointer;
    font-size: 0.9em;
}
.btn:hover {
    background: #ddd;
}
.btn.primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.btn.primary:hover {
    background: #3a7fc8;
}
.btn.danger {
    color: var(--error);
    border-color: var(--error);
}
.btn.danger:hover {
    background: var(--error);
    color: #fff;
}
.btn.small {
    padding: 4px 10px;
    font-size: 0.8em;
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Empty / auth gate */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

/* Schedule header */
.schedule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
    margin-bottom: 20px;
}

.schedule-header h2 {
    font-size: 1.1em;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Post cards */
.post-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.post-card {
    border: 1px solid var(--border);
    background: var(--bg);
    padding: 16px;
}

.post-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 0.8em;
    color: var(--text-muted);
}

.post-type {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: bold;
}

.post-time {
    font-weight: bold;
}

/* Thumbnails */
.post-thumbnails {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    overflow-x: auto;
}

.post-thumbnails img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border: 1px solid var(--border-light);
    flex-shrink: 0;
}

/* Caption */
.post-caption {
    white-space: pre-wrap;
    font-size: 0.9em;
    line-height: 1.5;
    margin-bottom: 8px;
    padding: 8px;
    background: var(--bg-alt);
    border: 1px solid var(--border-light);
}

.post-exif {
    font-size: 0.75em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.post-hashtags {
    font-size: 0.75em;
    color: var(--accent);
    margin-bottom: 12px;
    word-break: break-word;
}

/* Caption editor */
.caption-editor {
    margin-bottom: 12px;
}

.caption-editor textarea {
    width: 100%;
    min-height: 120px;
    padding: 8px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
    border: 1px solid var(--accent);
    background: #fff;
    color: var(--text);
    resize: vertical;
    line-height: 1.5;
}

.caption-editor .editor-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

/* Action bar */
.action-bar {
    display: flex;
    gap: 8px;
    border-top: 1px solid var(--border-light);
    padding-top: 12px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal {
    background: var(--bg);
    border: 1px solid var(--border);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    padding: 24px;
}

.modal h3 {
    margin-bottom: 16px;
    font-size: 1em;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal .close-btn {
    float: right;
    background: none;
    border: none;
    font-size: 1.2em;
    cursor: pointer;
    font-family: 'Courier New', Courier, monospace;
    color: var(--text-muted);
}

.swap-target {
    padding: 10px 12px;
    border: 1px solid var(--border-light);
    margin-bottom: 6px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    font-size: 0.85em;
}

.swap-target:hover {
    background: var(--bg-alt);
    border-color: var(--accent);
}

.swap-target .swap-time {
    font-weight: bold;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    border: 1px solid var(--border);
    background: var(--bg);
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85em;
    z-index: 200;
    animation: fadeIn 0.2s;
}

.toast.error {
    border-color: var(--error);
    color: var(--error);
}

.toast.success {
    border-color: var(--success);
}

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

/* Spinner for AI rewrite */
.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.hidden {
    display: none !important;
}

/* Tab bar */
.tab-bar {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}

.tab-bar .tab {
    padding: 8px 20px;
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    text-decoration: none;
}

.tab-bar .tab:hover {
    color: var(--text);
    text-decoration: none;
}

.tab-bar .tab.active {
    color: var(--text);
    font-weight: bold;
    border-bottom-color: var(--accent);
}

/* View toggle */
.view-toggle {
    display: inline-flex;
    gap: 6px;
    align-items: center;
    font-size: 0.85em;
}

.view-toggle span {
    cursor: pointer;
    color: var(--text-muted);
}

.view-toggle span.active {
    font-weight: bold;
    color: var(--text);
}

.view-toggle .sep {
    cursor: default;
    color: var(--border);
}

/* Photo grid */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
}

.photo-grid-flat {
    margin-top: 16px;
}

.photo-grid-item {
    position: relative;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.15s;
}

.photo-grid-item.selected {
    border-color: var(--accent);
}

.photo-grid-item img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    display: block;
    border: 1px solid var(--border-light);
}

.photo-grid-item .no-thumb {
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-alt);
    color: var(--text-muted);
    font-size: 0.75em;
    border: 1px solid var(--border-light);
}

.photo-checkbox {
    position: absolute;
    top: 4px;
    left: 4px;
    z-index: 2;
}

.photo-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent);
}

.photo-label {
    font-size: 0.7em;
    color: var(--text-muted);
    padding: 2px 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.photo-folder-label {
    font-size: 0.65em;
    color: var(--text-muted);
    padding: 0 4px 2px;
    opacity: 0.7;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Rejection card (grouped view) */
.rejected-groups {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.rejection-card {
    border: 1px solid var(--border);
    background: var(--bg);
    padding: 16px;
}

.rejection-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 0.85em;
}

.rejection-folder {
    font-weight: bold;
    margin-right: 8px;
}

.rejection-status {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.8em;
    color: var(--text-muted);
}

.select-all-toggle {
    font-size: 0.8em;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

.select-all-toggle input {
    cursor: pointer;
    accent-color: var(--accent);
}

.rejection-reason {
    font-size: 0.8em;
    color: var(--text-muted);
    margin-bottom: 12px;
    font-style: italic;
}

/* Selection bar (sticky bottom) */
.selection-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 50;
}

.selection-info {
    display: flex;
    gap: 12px;
    align-items: center;
    font-size: 0.9em;
}

/* Create modal */
.create-modal {
    max-width: 600px;
}

.preview-thumbs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    overflow-x: auto;
}

.preview-thumbs img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border: 1px solid var(--border-light);
    flex-shrink: 0;
}

.field-group {
    margin-bottom: 12px;
}

.field-group label {
    display: block;
    font-size: 0.8em;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.field-group textarea {
    width: 100%;
    padding: 8px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85em;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    resize: vertical;
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.reschedule-input {
    font-family: 'Courier New', monospace;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px;
    font-size: 0.9em;
    width: 100%;
    margin: 12px 0;
}

/* Settings page */
.settings-section {
    margin-bottom: 24px;
}

.settings-section-title {
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: bold;
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border);
}

.prompt-block {
    border: 1px solid var(--border);
    margin-bottom: 12px;
}

.prompt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--bg-alt);
    cursor: pointer;
    user-select: none;
}

.prompt-header:hover {
    background: #ddd;
}

.prompt-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85em;
    font-weight: bold;
}

.prompt-header-left .collapse-icon {
    font-size: 0.75em;
    color: var(--text-muted);
    transition: transform 0.15s;
}

.prompt-header-left .collapse-icon.open {
    transform: rotate(90deg);
}

.prompt-header-right {
    display: flex;
    gap: 6px;
    align-items: center;
}

.prompt-body {
    padding: 14px;
    display: none;
}

.prompt-body.open {
    display: block;
}

.prompt-body textarea {
    width: 100%;
    padding: 8px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.8em;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    resize: vertical;
    line-height: 1.5;
}

.prompt-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    align-items: center;
}

.prompt-actions .saved-indicator {
    font-size: 0.8em;
    color: var(--success);
    opacity: 0;
    transition: opacity 0.3s;
}

.prompt-actions .saved-indicator.show {
    opacity: 1;
}

.model-select {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.8em;
    padding: 4px 8px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
}

.modified-badge {
    font-size: 0.7em;
    color: var(--accent);
    font-weight: normal;
    font-style: italic;
}

/* PM2 status */
.pm2-section {
    border: 1px solid var(--border);
    padding: 16px;
}

.pm2-status-row {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 12px;
    font-size: 0.85em;
    flex-wrap: wrap;
}

.pm2-badge {
    padding: 2px 8px;
    font-size: 0.8em;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid var(--border);
}

.pm2-badge.online {
    color: var(--success);
    border-color: var(--success);
}

.pm2-badge.stopped {
    color: var(--error);
    border-color: var(--error);
}

.pm2-badge.errored {
    color: var(--error);
    border-color: var(--error);
}

.pm2-stat {
    color: var(--text-muted);
}

.pm2-actions {
    display: flex;
    gap: 8px;
}

/* Responsive */
@media (max-width: 600px) {
    .post-thumbnails img {
        width: 80px;
        height: 80px;
    }
    .action-bar {
        flex-wrap: wrap;
    }
    .modal {
        width: 95%;
        padding: 16px;
    }
    .post-card {
        padding: 12px;
    }
    .photo-grid {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
        gap: 6px;
    }
    .rejection-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    .selection-bar {
        padding: 8px 12px;
    }
    .preview-thumbs img {
        width: 60px;
        height: 60px;
    }
    .tab-bar .tab {
        padding: 8px 14px;
        font-size: 0.8em;
    }
}

/* Scan button */
.scan-btn {
    margin-left: auto;
    padding: 4px 14px;
    font-size: 0.8em;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Plan tab */
.plan-folder {
    border: 1px solid var(--border);
    margin-bottom: 20px;
    padding: 16px;
}

.plan-folder-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-light);
}

.plan-folder-name {
    font-weight: bold;
    font-size: 0.95em;
}

.plan-folder-counts {
    font-size: 0.8em;
    color: var(--text-muted);
}

.plan-post-card {
    margin-bottom: 12px;
}

.plan-post-card:last-child {
    margin-bottom: 0;
}

.plan-actions {
    display: flex;
    gap: 8px;
    border-top: 1px solid var(--border-light);
    padding-top: 12px;
}

.plan-category {
    font-size: 0.75em;
    padding: 2px 8px;
    background: var(--bg-alt);
    border: 1px solid var(--border-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.plan-rejected {
    opacity: 0.5;
}

.plan-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

/* ==================== UPLOAD TAB ==================== */

.upload-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 20px;
}

.upload-section {
    margin-bottom: 20px;
}

.upload-folder-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.upload-folder-row label {
    font-weight: bold;
    white-space: nowrap;
}

.upload-folder-row select,
.upload-folder-row input[type="text"] {
    font-family: inherit;
    font-size: inherit;
    padding: 4px 8px;
    border: 1px solid var(--border);
    background: #fff;
    min-width: 200px;
}

.upload-folder-row select {
    flex: 1;
    max-width: 300px;
}

.upload-or {
    color: var(--text-muted);
    white-space: nowrap;
}

.upload-path {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.upload-zone {
    border: 2px dashed var(--border);
    padding: 40px 20px;
    text-align: center;
    margin-bottom: 20px;
    background: #fafafa;
    transition: border-color 0.15s, background 0.15s;
}

.upload-zone.dragover {
    border-color: var(--accent);
    background: #f0f4fa;
}

.upload-zone-text {
    color: var(--text-muted);
    margin-bottom: 8px;
}

.upload-zone-or {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.upload-choose-btn {
    display: inline-block;
    cursor: pointer;
    background: var(--accent);
    color: #fff;
    border: 1px solid var(--accent);
    padding: 6px 20px;
}

.upload-queue-section {
    border: 1px solid var(--border-light);
}

.upload-queue-header {
    padding: 8px 12px;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
}

.upload-queue {
    max-height: 400px;
    overflow-y: auto;
}

.upload-file {
    padding: 6px 12px;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
}

.upload-file:last-child {
    border-bottom: none;
}

.upload-num {
    color: var(--text-muted);
    font-size: 12px;
    min-width: 20px;
}

.upload-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.upload-size {
    color: var(--text-muted);
    font-size: 12px;
    white-space: nowrap;
}

.upload-status.done {
    color: var(--success);
    font-size: 12px;
}

.upload-status.error {
    color: var(--error);
    font-size: 12px;
}

.upload-status.waiting {
    color: var(--text-muted);
    font-size: 12px;
}

.progress-bar-wrap {
    width: 100px;
    height: 6px;
    background: var(--border-light);
    flex-shrink: 0;
}

.progress-bar {
    height: 100%;
    background: var(--accent);
    transition: width 0.15s;
}

.upload-pct {
    font-size: 12px;
    color: var(--accent);
    min-width: 32px;
    text-align: right;
}

.upload-actions {
    padding: 10px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-light);
}

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

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Upload responsive */
@media (max-width: 600px) {
    .upload-folder-row {
        flex-direction: column;
        align-items: stretch;
    }
    .upload-folder-row select,
    .upload-folder-row input[type="text"] {
        min-width: 0;
        max-width: none;
        width: 100%;
    }
    .upload-zone {
        padding: 30px 16px;
    }
    .upload-file {
        font-size: 12px;
        gap: 6px;
    }
    .progress-bar-wrap {
        width: 60px;
    }
}