/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── 暗底主題 ── */
body.theme-dark {
    --bg: #0f1117; --bg2: #1a1d27; --bg3: #22263a;
    --border: #2e3250; --accent: #7c6af7; --accent2: #5b4fd4;
    --text: #e8eaf6; --text2: #9098c0; --danger: #e05c6a; --success: #4caf7d;
    --shadow: 0 4px 24px rgba(0,0,0,0.4);
    --flash-bg: #3a2a1a; --flash-border: #a06030; --flash-text: #f0b060;
    --admin-hint-bg: #1a2a1a; --admin-hint-border: #2a5a2a; --admin-hint-text: #6abf6a;
    --warning: #e0a030;
}
/* ── 亮底主題（預設） ── */
body.theme-light {
    --bg: #f4f6fb; --bg2: #ffffff; --bg3: #eef0f7;
    --border: #d0d4e8; --accent: #5b4fd4; --accent2: #7c6af7;
    --text: #1a1d2e; --text2: #5a6080; --danger: #d63b4a; --success: #2e8f5a;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --flash-bg: #fff8e8; --flash-border: #e0a030; --flash-text: #a06010;
    --admin-hint-bg: #f0f8f0; --admin-hint-border: #90c090; --admin-hint-text: #2a6a2a;
    --warning: #c87800;
}
:root { --radius: 10px; }

body {
    font-family: "Segoe UI", "Microsoft JhengHei", sans-serif;
    background: var(--bg); color: var(--text);
    min-height: 100vh; font-size: 14px;
    transition: background 0.2s, color 0.2s;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Navbar ── */
.navbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 20px; height: 52px;
    background: var(--bg2); border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 200;
}
.nav-brand { font-size: 17px; font-weight: 700; color: var(--accent); letter-spacing: 0.5px; }
.nav-links { display: flex; align-items: center; gap: 10px; }
.nav-user { color: var(--text2); font-size: 13px; }
.theme-toggle {
    background: var(--bg3); border: 1px solid var(--border);
    border-radius: 6px; padding: 4px 9px; cursor: pointer;
    font-size: 15px; transition: all 0.2s; line-height: 1;
}
.theme-toggle:hover { border-color: var(--accent); }
.btn-logout, .btn-admin {
    padding: 5px 12px; background: transparent;
    border: 1px solid var(--border); border-radius: 6px;
    color: var(--text2); cursor: pointer; font-size: 13px;
    transition: all 0.2s; text-decoration: none; display: inline-block;
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); text-decoration: none; }
.btn-admin:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* ── Flash ── */
.flash-messages { padding: 10px 20px; }
.flash {
    background: var(--flash-bg); border: 1px solid var(--flash-border);
    border-radius: var(--radius); padding: 10px 16px;
    color: var(--flash-text); margin-bottom: 8px; font-size: 13px;
}

/* ── Auth ── */
.auth-wrapper { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.auth-box {
    background: var(--bg2); border: 1px solid var(--border);
    border-radius: 16px; padding: 36px 32px; width: 100%; max-width: 420px;
    box-shadow: var(--shadow);
}
.auth-title { font-size: 22px; font-weight: 700; color: var(--accent); text-align: center; margin-bottom: 6px; }
.auth-sub { text-align: center; color: var(--text2); margin-bottom: 24px; font-size: 13px; }
.auth-footer { text-align: center; color: var(--text2); margin-top: 18px; font-size: 13px; }
.admin-hint {
    display: flex; align-items: center; gap: 8px;
    background: var(--admin-hint-bg); border: 1px solid var(--admin-hint-border);
    border-radius: 8px; padding: 10px 14px; margin-bottom: 20px;
    font-size: 13px; color: var(--admin-hint-text);
}

/* ── Forms ── */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 5px; color: var(--text2); font-size: 12px; font-weight: 500; }
.form-group input, .form-group textarea {
    width: 100%; background: var(--bg3); border: 1px solid var(--border);
    border-radius: 8px; padding: 9px 12px; color: var(--text);
    font-size: 14px; font-family: inherit; transition: border-color 0.2s; resize: vertical;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); }

/* ── Buttons ── */
.btn-primary {
    background: var(--accent); color: #fff; border: none; border-radius: 8px;
    padding: 9px 18px; font-size: 14px; font-family: inherit;
    cursor: pointer; transition: background 0.2s; font-weight: 600;
}
.btn-primary:hover { background: var(--accent2); }
.btn-primary.full-width { width: 100%; padding: 11px; }
.btn-secondary {
    background: transparent; color: var(--text2); border: 1px solid var(--border);
    border-radius: 8px; padding: 9px 18px; font-size: 14px;
    font-family: inherit; cursor: pointer; transition: all 0.2s;
}
.btn-secondary:hover { border-color: var(--text2); color: var(--text); }
.btn-icon {
    background: transparent; color: var(--accent); border: 1px solid var(--accent);
    border-radius: 6px; padding: 4px 10px; font-size: 12px;
    cursor: pointer; transition: all 0.2s; font-family: inherit; white-space: nowrap;
}
.btn-icon:hover { background: var(--accent); color: #fff; }
.btn-sm {
    background: transparent; color: var(--text2); border: 1px solid var(--border);
    border-radius: 5px; padding: 3px 9px; font-size: 12px;
    cursor: pointer; font-family: inherit; transition: all 0.2s; white-space: nowrap;
}
.btn-sm:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm.danger:hover { border-color: var(--danger); color: var(--danger); }
.btn-star {
    background: none; border: none; cursor: pointer;
    font-size: 14px; padding: 0 2px; transition: transform 0.15s; line-height: 1;
}
.btn-star:hover { transform: scale(1.3); }

/* ── App shell ── */
.app {
    max-width: 1500px; margin: 0 auto;
    padding: 0 20px 120px;
}

/* 頂部工具列 sticky */
.app-toolbar {
    position: sticky; top: 52px; z-index: 60;
    display: flex; align-items: center; justify-content: space-between;
    gap: 14px; padding: 10px 0; background: var(--bg);
    border-bottom: 1px solid var(--border);
    margin-bottom: 14px; flex-wrap: wrap;
}
.toolbar-left { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.toolbar-right { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; flex: 1; justify-content: flex-end; }
.toolbar-search {
    background: var(--bg2); border: 1px solid var(--border);
    border-radius: 8px; padding: 7px 12px; color: var(--text);
    font-size: 13px; font-family: inherit; min-width: 280px; flex: 0 1 320px;
}
.toolbar-search:focus { outline: none; border-color: var(--accent); }

.view-btn {
    background: transparent; border: 1px solid var(--border);
    border-radius: 8px; padding: 7px 14px; font-size: 13px;
    color: var(--text2); cursor: pointer; font-family: inherit;
    transition: all 0.15s; font-weight: 600;
    display: inline-flex; align-items: center; gap: 6px;
}
.view-btn:hover { border-color: var(--accent); color: var(--accent); }
.view-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.count-badge {
    background: rgba(255,255,255,0.25); color: inherit;
    padding: 1px 7px; border-radius: 10px; font-size: 11px; font-weight: 700;
}
.view-btn:not(.active) .count-badge {
    background: var(--bg3); color: var(--text2);
}

/* 類別篩選 chip */
.cat-filter-bar {
    display: flex; flex-wrap: wrap; gap: 6px;
    margin-bottom: 18px; padding: 4px 0;
}
.cat-chip {
    background: var(--bg2); border: 1px solid var(--border);
    border-radius: 18px; padding: 6px 14px; font-size: 13px;
    color: var(--text); cursor: pointer; font-family: inherit;
    transition: all 0.15s;
    display: inline-flex; align-items: center; gap: 5px;
}
.cat-chip:hover { border-color: var(--accent); color: var(--accent); }
.cat-chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.cat-chip-count {
    font-size: 11px; color: var(--text2);
    background: var(--bg3); border-radius: 10px; padding: 1px 7px;
}
.cat-chip.active .cat-chip-count { background: rgba(255,255,255,0.25); color: #fff; }
.cat-chip.add-chip {
    border-style: dashed; color: var(--text2);
}
.cat-chip.add-chip:hover { color: var(--accent); }

/* 排序列 */
.sort-bar {
    display: flex; align-items: center; gap: 8px;
    margin-bottom: 14px;
}
.sort-label { font-size: 12px; color: var(--text2); }
.sort-select {
    background: var(--bg2); border: 1px solid var(--border);
    border-radius: 8px; padding: 6px 12px; font-size: 12px;
    color: var(--text); font-family: inherit; cursor: pointer;
}
.sort-select:focus { outline: none; border-color: var(--accent); }

/* 複製次數按鈕 */
.btn-copy {
    background: transparent; color: var(--accent);
    border: 1px solid var(--accent); border-radius: 5px;
    padding: 3px 9px; font-size: 12px; cursor: pointer;
    font-family: inherit; transition: all 0.15s;
    display: inline-flex; align-items: center; gap: 4px;
    white-space: nowrap;
}
.btn-copy:hover { background: var(--accent); color: #fff; }
.btn-copy .copy-num {
    font-weight: 700; font-size: 11px;
    background: color-mix(in srgb, var(--accent) 15%, transparent);
    border-radius: 8px; padding: 1px 6px; min-width: 18px; text-align: center;
}
.btn-copy:hover .copy-num {
    background: rgba(255,255,255,0.25); color: #fff;
}
.btn-copy.just-copied {
    background: var(--success); color: #fff; border-color: var(--success);
    animation: pulse 0.35s ease;
}
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.08); }
    100% { transform: scale(1); }
}

/* 組合卡片內文預覽 */
.collection-body {
    font-size: 12px; color: var(--text2); line-height: 1.55;
    overflow: hidden; display: -webkit-box;
    -webkit-line-clamp: 4; -webkit-box-orient: vertical;
    word-break: break-word; white-space: pre-wrap;
    background: var(--bg3); border-radius: 8px; padding: 8px 10px;
    cursor: pointer; border: 1px solid transparent;
    transition: border-color 0.15s;
    flex: 1;
}
.collection-body:hover { border-color: var(--border); }

/* 類別分區 */
.cat-section {
    margin-bottom: 30px;
}
.cat-section.filtered-out { display: none; }
.cat-section-header {
    display: flex; align-items: center; justify-content: space-between;
    gap: 10px; margin-bottom: 12px; padding-bottom: 8px;
    border-bottom: 2px solid var(--border); flex-wrap: wrap;
}
.cat-section-title {
    font-size: 18px; font-weight: 700;
    display: flex; align-items: center; gap: 8px;
    word-break: break-word;
}
.cat-section-count {
    font-size: 12px; color: var(--text2);
    background: var(--bg3); padding: 2px 10px; border-radius: 10px; font-weight: 500;
}
.cat-section-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* 卡片格狀 */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 14px;
}

/* 提示詞卡片 */
.card-prompt {
    background: var(--bg2); border: 1px solid var(--border);
    border-radius: 12px; padding: 14px 16px;
    display: flex; flex-direction: column; gap: 8px;
    min-height: 220px;
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.12s;
    position: relative;
}
.card-prompt:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-1px); }
.card-prompt.selected {
    border-color: var(--accent); border-width: 2px; padding: 13px 15px;
    background: color-mix(in srgb, var(--accent) 6%, var(--bg2));
    box-shadow: 0 4px 16px color-mix(in srgb, var(--accent) 25%, transparent);
}
.card-prompt.hidden-by-filter { display: none; }

.card-head {
    display: flex; align-items: center; gap: 6px;
    word-break: break-word;
}
.card-title {
    font-size: 15px; font-weight: 700; flex: 1;
    line-height: 1.35; min-width: 0; word-break: break-word;
}
.card-version {
    color: var(--accent); font-size: 11px; font-weight: 700;
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    border-radius: 4px; padding: 2px 7px; flex-shrink: 0;
}
.card-tags { display: flex; flex-wrap: wrap; gap: 4px; min-height: 0; }
.prompt-tag {
    font-size: 11px; background: var(--bg3); border: 1px solid var(--border);
    border-radius: 4px; padding: 2px 7px; color: var(--text2);
}
.card-body {
    font-size: 13px; color: var(--text2); line-height: 1.55;
    overflow: hidden; display: -webkit-box;
    -webkit-line-clamp: 5; -webkit-box-orient: vertical;
    word-break: break-word; white-space: pre-wrap;
    cursor: pointer; flex: 1;
    background: var(--bg3); border-radius: 8px; padding: 10px 12px;
    border: 1px solid transparent;
    transition: border-color 0.15s;
}
.card-body:hover { border-color: var(--border); }
.card-actions {
    display: flex; gap: 6px; align-items: center;
    flex-wrap: wrap; padding-top: 8px;
    border-top: 1px solid var(--border);
}
.card-check {
    display: flex; align-items: center; gap: 5px;
    font-size: 12px; color: var(--text2);
    cursor: pointer; margin-right: auto;
    padding: 2px 4px;
}
.card-check input[type="checkbox"] {
    accent-color: var(--accent);
    width: 16px; height: 16px; cursor: pointer;
}
.card-prompt.selected .card-check { color: var(--accent); font-weight: 600; }

/* 組合庫卡片 */
.card-collection {
    background: var(--bg2); border: 1px solid var(--border);
    border-radius: 12px; padding: 14px 16px;
    display: flex; flex-direction: column; gap: 8px;
    min-height: 140px;
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.12s;
}
.card-collection:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-1px); }

/* 組合庫 view header */
.view-header {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; margin-bottom: 16px; flex-wrap: wrap;
}
.view-header h2 { font-size: 20px; font-weight: 700; }
.view-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* 底部浮動勾選 bar */
.composer-bar {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 150;
    background: var(--bg2); border-top: 2px solid var(--accent);
    box-shadow: 0 -4px 24px rgba(0,0,0,0.15);
    animation: slide-up 0.2s ease;
}
@keyframes slide-up { from { transform: translateY(100%); } to { transform: translateY(0); } }
.composer-bar-inner {
    max-width: 1500px; margin: 0 auto;
    display: grid; grid-template-columns: auto 1fr auto;
    gap: 14px; padding: 10px 20px; align-items: center;
}
.composer-bar-head {
    display: flex; align-items: center; gap: 10px;
}
.composer-bar-count {
    font-size: 13px; color: var(--text2); white-space: nowrap;
}
.composer-bar-count strong { color: var(--accent); font-size: 15px; }
.composer-bar-chips {
    display: flex; gap: 6px; overflow-x: auto;
    padding: 4px 2px; align-items: center;
}
.composer-bar-chips::-webkit-scrollbar { height: 6px; }
.composer-bar-chips::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.composer-bar-chip {
    background: var(--bg3); border: 1px solid var(--border);
    border-radius: 14px; padding: 4px 10px; font-size: 12px;
    display: inline-flex; align-items: center; gap: 4px;
    cursor: pointer; transition: all 0.15s;
    white-space: nowrap; flex-shrink: 0; max-width: 180px;
}
.composer-bar-chip:hover { border-color: var(--accent); color: var(--accent); }
.composer-bar-chip-title {
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    max-width: 120px;
}
.composer-bar-chip-ver {
    font-size: 10px; color: var(--accent); font-weight: 700;
}
.composer-bar-chip-remove {
    background: none; border: none; color: var(--text2);
    cursor: pointer; font-size: 14px; line-height: 1;
    padding: 0 0 0 3px;
}
.composer-bar-chip-remove:hover { color: var(--danger); }
.composer-bar-actions { display: flex; gap: 6px; flex-shrink: 0; flex-wrap: wrap; }
.composer-bar-actions .btn-primary { padding: 7px 14px; font-size: 13px; }
.composer-bar-actions .btn-secondary { padding: 7px 14px; font-size: 13px; }

.empty-hint {
    color: var(--text2); font-size: 14px; text-align: center;
    padding: 40px 20px;
    grid-column: 1 / -1;
}

.empty-state {
    text-align: center; padding: 60px 20px;
    color: var(--text2);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state h3 { font-size: 17px; margin-bottom: 6px; color: var(--text); }
.empty-state p { font-size: 14px; margin-bottom: 18px; }

/* ── Preview ── */
.preview-content { background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 14px; font-size: 14px; line-height: 1.7; white-space: pre-wrap; max-height: 400px; overflow-y: auto; word-break: break-word; }

/* ── Modal ── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 1000; padding: 16px; }
.modal { background: var(--bg2); border: 1px solid var(--border); border-radius: 14px; padding: 24px; width: 100%; max-width: 460px; box-shadow: var(--shadow); max-height: 90vh; overflow-y: auto; }
.modal-wide { max-width: 600px; }
.modal h3 { font-size: 16px; margin-bottom: 18px; font-weight: 600; }
.modal-actions { display: flex; gap: 10px; margin-top: 18px; justify-content: flex-end; }

/* ── Version ── */
.version-entry { background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; margin-bottom: 8px; }
.version-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; flex-wrap: wrap; gap: 6px; }
.version-num { font-size: 12px; color: var(--accent); font-weight: 700; }
.version-note { font-size: 11px; color: var(--text2); }
.version-content { font-size: 13px; color: var(--text); line-height: 1.5; white-space: pre-wrap; word-break: break-word; }
.version-latest { border-color: var(--accent); }

/* ── Tab ── */
.tab-btn { background: transparent; border: 1px solid var(--border); border-radius: 6px; padding: 6px 14px; font-size: 13px; font-family: inherit; cursor: pointer; color: var(--text2); transition: all 0.2s; }
.tab-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.tab-btn:hover:not(.active) { border-color: var(--accent); color: var(--accent); }

/* ── Tag Input ── */
.tag-input-area { border: 1px solid var(--border); border-radius: 8px; background: var(--bg3); padding: 8px; position: relative; }
.tag-input-area:focus-within { border-color: var(--accent); }
.tag-chips { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 6px; }
.tag-chip { display: flex; align-items: center; gap: 4px; background: var(--accent); color: #fff; border-radius: 4px; padding: 2px 8px; font-size: 12px; }
.tag-chip-remove { cursor: pointer; font-size: 14px; line-height: 1; background: none; border: none; color: #fff; padding: 0; }
.tag-bare-input { border: none; background: transparent; width: 100%; color: var(--text); font-size: 13px; font-family: inherit; padding: 2px 4px; }
.tag-bare-input:focus { outline: none; }
.tag-suggestions { position: absolute; left: 0; right: 0; top: 100%; z-index: 200; background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; margin-top: 4px; box-shadow: var(--shadow); max-height: 160px; overflow-y: auto; }
.tag-suggestion-item { padding: 8px 14px; font-size: 13px; cursor: pointer; transition: background 0.15s; }
.tag-suggestion-item:hover { background: var(--bg3); }

/* ── Upload ── */
.upload-area { border: 2px dashed var(--border); border-radius: 10px; padding: 24px; text-align: center; cursor: pointer; transition: all 0.2s; }
.upload-area:hover { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 5%, var(--bg3)); }
.import-file-item { display: flex; align-items: center; justify-content: space-between; padding: 7px 12px; background: var(--bg3); border: 1px solid var(--border); border-radius: 7px; margin-bottom: 5px; font-size: 13px; }
.import-file-name { font-weight: 600; }
.import-file-status { font-size: 11px; color: var(--text2); }
.import-file-status.ok { color: var(--success); }
.import-file-status.err { color: var(--danger); }

/* ── Checkbox Label ── */
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; color: var(--text); }
.checkbox-label input { width: auto; accent-color: var(--accent); }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text2); }

/* ── Admin 後台 ── */
.admin-wrapper { max-width: 960px; margin: 0 auto; padding: 28px 20px; }
.admin-hero { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 14px; }
.admin-title { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.admin-sub { font-size: 13px; color: var(--text2); }
.admin-back { font-size: 13px; color: var(--text2); text-decoration: none; display: inline-flex; align-items: center; gap: 4px; margin-bottom: 12px; }
.admin-back:hover { color: var(--accent); text-decoration: none; }

.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 28px; }
.stat-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; display: flex; align-items: center; gap: 14px; transition: border-color 0.2s; }
.stat-card:hover { border-color: var(--accent); }
.stat-icon { font-size: 22px; line-height: 1; }
.stat-num { font-size: 22px; font-weight: 700; line-height: 1; margin-bottom: 2px; }
.stat-label { font-size: 12px; color: var(--text2); }

.admin-section { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 16px; overflow: hidden; }
.admin-section.has-pending { border-color: var(--warning); }
.section-header { display: flex; align-items: center; gap: 10px; padding: 12px 18px; border-bottom: 1px solid var(--border); background: var(--bg3); }
.section-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.dot-pending { background: var(--warning); }
.dot-active { background: var(--success); }
.dot-disabled { background: var(--text2); }
.section-title { font-size: 14px; font-weight: 600; flex: 1; }
.section-count { font-size: 12px; color: var(--text2); background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 1px 8px; }

.user-row { display: flex; align-items: center; gap: 14px; padding: 12px 18px; border-bottom: 1px solid var(--border); transition: background 0.15s; flex-wrap: wrap; }
.user-row:last-child { border-bottom: none; }
.user-row:hover { background: var(--bg3); }
.user-avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; flex-shrink: 0; }
.user-info { flex: 1; min-width: 160px; }
.user-name-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 2px; }
.user-name { font-weight: 600; font-size: 14px; }
.user-email { font-size: 12px; color: var(--text2); }
.user-date { font-size: 12px; color: var(--text2); flex-shrink: 0; }
.user-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.empty-row { padding: 18px; text-align: center; font-size: 13px; color: var(--text2); }

.badge { font-size: 11px; padding: 2px 7px; border-radius: 4px; font-weight: 600; }
.badge-admin { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent); border: 1px solid var(--accent); }

.btn-action { padding: 4px 11px; border-radius: 6px; font-size: 12px; font-family: inherit; cursor: pointer; font-weight: 500; border: 1px solid transparent; transition: all 0.2s; white-space: nowrap; }
.btn-approve { background: color-mix(in srgb, var(--success) 12%, transparent); color: var(--success); border-color: var(--success); }
.btn-approve:hover { background: var(--success); color: #fff; }
.btn-warning { background: color-mix(in srgb, var(--warning) 12%, transparent); color: var(--warning); border-color: var(--warning); }
.btn-warning:hover { background: var(--warning); color: #fff; }
.btn-danger { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-outline { background: transparent; color: var(--text2); border-color: var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* ── RWD ── */
@media (max-width: 900px) {
    .app { padding: 0 14px 140px; }
    .app-toolbar { top: 52px; padding: 10px 0; gap: 8px; }
    .toolbar-search { min-width: 0; flex: 1 1 100%; order: 1; }
    .toolbar-left { order: 2; }
    .toolbar-right { order: 3; }
    .view-btn { padding: 6px 12px; font-size: 12px; }
    .cat-section-title { font-size: 16px; }
    .card-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
    .card-prompt { min-height: 190px; padding: 12px 14px; }
    .composer-bar-inner { grid-template-columns: 1fr; gap: 8px; padding: 10px 14px; }
    .composer-bar-actions { justify-content: flex-end; }
    .stat-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .auth-box { padding: 24px 16px; }
    .modal { padding: 18px 14px; }
    .admin-wrapper { padding: 16px 12px; }
    .stat-cards { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .stat-num { font-size: 18px; }
    .user-row { gap: 10px; }
    .user-date { display: none; }
    .navbar { padding: 0 12px; }
    .nav-user { display: none; }
    .card-grid { grid-template-columns: 1fr; }
    .card-prompt { min-height: auto; }
}

/* ── 草稿暫存區 ── */
.scratch-app {
    display: flex;
    height: calc(100vh - 52px);
    background: var(--bg);
}
.scratch-sidebar {
    width: 280px;
    flex-shrink: 0;
    background: var(--bg2);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transition: margin-left 0.2s;
}
.scratch-sidebar.hidden { margin-left: -280px; }
.scratch-sidebar-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}
.scratch-sidebar-title { font-weight: 600; font-size: 14px; }
.scratch-new-btn {
    width: 32px; height: 32px; padding: 0; font-size: 18px; line-height: 1;
    display: inline-flex; align-items: center; justify-content: center;
}
.scratch-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}
.scratch-list-empty {
    color: var(--text2); font-size: 13px; text-align: center; padding: 20px 10px;
}
.scratch-item {
    display: flex; align-items: flex-start; gap: 6px;
    padding: 10px 8px 10px 4px;
    margin-bottom: 6px;
    border-radius: 8px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.15s, border-color 0.15s, opacity 0.15s;
    position: relative;
}
.scratch-item:hover { background: var(--bg3); }
.scratch-item:hover .scratch-item-rename { opacity: 1; }
.scratch-item.active {
    background: var(--bg3);
    border-color: var(--accent);
}
.scratch-item.dragging { opacity: 0.4; }
.scratch-item.drop-before { box-shadow: inset 0 2px 0 0 var(--accent); }
.scratch-item.drop-after  { box-shadow: inset 0 -2px 0 0 var(--accent); }
.scratch-item-handle {
    color: var(--text2); font-size: 14px; line-height: 1;
    padding: 4px 2px; cursor: grab;
    user-select: none; flex-shrink: 0;
    opacity: 0.5;
}
.scratch-item:hover .scratch-item-handle { opacity: 1; }
.scratch-item-handle:active { cursor: grabbing; }
.scratch-item-body { flex: 1; min-width: 0; }
.scratch-item-rename {
    background: transparent; border: none; cursor: pointer;
    padding: 4px 6px; font-size: 13px; line-height: 1;
    border-radius: 4px; color: var(--text2);
    opacity: 0; transition: opacity 0.15s, background 0.15s;
    flex-shrink: 0;
}
.scratch-item-rename:hover { background: var(--bg); color: var(--accent); }
.scratch-item.active .scratch-item-rename { opacity: 1; }
.scratch-item-title {
    font-size: 13px; font-weight: 600; color: var(--text);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.scratch-item-meta {
    font-size: 11px; color: var(--text2); margin-top: 3px;
}
.scratch-item-preview {
    font-size: 12px; color: var(--text2); margin-top: 4px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.scratch-rename-input {
    width: 100%;
    background: var(--bg); color: var(--text);
    border: 1px solid var(--accent); border-radius: 4px;
    padding: 3px 6px; font-size: 13px; font-weight: 600;
    outline: none;
}
.scratch-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.scratch-toolbar {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg2);
}
.scratch-toggle-side {
    background: transparent; border: 1px solid var(--border); border-radius: 6px;
    color: var(--text2); cursor: pointer; padding: 4px 10px; font-size: 16px;
    display: none;
}
.scratch-toggle-side:hover { border-color: var(--accent); color: var(--accent); }
.scratch-title-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 16px; font-weight: 600;
    padding: 6px 8px;
    border-radius: 6px;
}
.scratch-title-input:focus { outline: none; background: var(--bg3); }
.scratch-title-input:disabled { opacity: 0.5; }
.scratch-status {
    font-size: 12px; color: var(--text2);
    min-width: 64px; text-align: right;
}
.scratch-status.error { color: var(--danger); }
.scratch-del-btn { white-space: nowrap; }
.scratch-editor-wrap {
    flex: 1;
    position: relative;
    overflow: hidden;
}
.scratch-editor {
    width: 100%; height: 100%;
    padding: 24px 32px;
    background: var(--bg);
    color: var(--text);
    border: none;
    resize: none;
    font-family: "Segoe UI", "Microsoft JhengHei", "Consolas", monospace;
    font-size: 15px;
    line-height: 1.7;
    outline: none;
}
.scratch-editor:disabled { opacity: 0.4; }
.scratch-empty {
    position: absolute; inset: 0;
    display: none;
    flex-direction: column; align-items: center; justify-content: center;
    color: var(--text2);
}
.scratch-empty-icon { font-size: 48px; margin-bottom: 16px; }
.scratch-empty-title { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.scratch-empty-sub { font-size: 13px; }
.scratch-save-fab {
    position: fixed;
    right: 28px; bottom: 28px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 999px;
    padding: 14px 22px;
    font-size: 14px; font-weight: 600;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
    z-index: 150;
    transition: transform 0.15s, background 0.15s;
}
.scratch-save-fab:hover { background: var(--accent2); transform: translateY(-2px); }

@media (max-width: 768px) {
    .scratch-sidebar {
        position: absolute;
        top: 52px; bottom: 0; left: 0;
        z-index: 50;
        box-shadow: var(--shadow);
    }
    .scratch-toggle-side { display: inline-block; }
    .scratch-editor { padding: 16px; font-size: 14px; }
    .scratch-save-fab { right: 16px; bottom: 16px; padding: 12px 18px; font-size: 13px; }
}