/* ===== 基础重置 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #ef5350;
    --primary-light: #f06292;
    --primary-dark: #c62828;
    --primary-bg: rgba(239, 83, 80, 0.08);
    --bg: #15151c;
    --bg-deep: #0f0f14;
    --card-bg: #1e1e28;
    --card-bg-hover: #252532;
    --text: #e8e8f0;
    --text-light: #9090a0;
    --text-lighter: #5a5a6a;
    --border: #2a2a38;
    --danger: #f06292;
    --success: #4caf50;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --header-h: 60px;  /* 导航高度（桌面），抽屉从导航下方开始 */

    /* 弹层/表单硬编码色域（抽为变量，供浅色主题覆盖） */
    --mask-bg: rgba(10, 10, 16, 0.92);      /* 登录/个人中心遮罩 */
    --card-solid: #1c1c26;                  /* login-card / 下拉面板 */
    --border-solid: #33334a;                /* 上述面板边框 */
    --input-solid: #14141c;                 /* 表单输入框底色 */
    --text-muted-solid: #8a8aa3;            /* 辅助文字 */
    --text-muted-2-solid: #c9c9d8;          /* 下拉菜单按钮文字 */
    --hover-white: rgba(255, 255, 255, 0.06);  /* 浅色悬停（深色主题用白雾） */
    --grid-line: rgba(255, 255, 255, 0.015);   /* 背景网格线 */
    --header-bg: rgba(15, 15, 20, 0.85);        /* 顶栏半透明背景 */
    --drawer-bg: rgba(18, 18, 26, 0.97);        /* 最近生成/云图册抽屉 */
}

/* ===== 浅色主题（html[data-theme="light"] 覆盖变量）===== */
html[data-theme="light"] {
    --primary: #d93a45;
    --primary-light: #e56a74;
    --primary-dark: #b52b35;
    --primary-bg: rgba(217, 58, 69, 0.08);
    --bg: #f5f6fa;
    --bg-deep: #e9ebf2;
    --card-bg: #ffffff;
    --card-bg-hover: #f0f2f8;
    --text: #26283a;
    --text-light: #5f6478;
    --text-lighter: #9aa0b4;
    --border: #d8dbe6;
    --danger: #d93a45;
    --success: #2e9e4f;
    --shadow: 0 2px 8px rgba(30, 35, 60, 0.08);
    --shadow-hover: 0 4px 20px rgba(30, 35, 60, 0.14);

    --mask-bg: rgba(240, 242, 248, 0.92);
    --card-solid: #ffffff;
    --border-solid: #cfd3e0;
    --input-solid: #ffffff;
    --text-muted-solid: #7a8096;
    --text-muted-2-solid: #4c5165;
    --hover-white: rgba(30, 35, 60, 0.05);
    --grid-line: rgba(30, 35, 60, 0.06);
    --header-bg: rgba(255, 255, 255, 0.82);
    --drawer-bg: rgba(255, 255, 255, 0.97);    /* 抽屉浅色半透明白 */
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before, body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    pointer-events: none;
}
body::before {
    width: 500px; height: 500px;
    background: rgba(239, 83, 80, 0.08);
    top: -200px; right: -100px;
}
body::after {
    width: 400px; height: 400px;
    background: rgba(99, 102, 241, 0.06);
    bottom: -150px; left: -100px;
}

.bg-grid {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1; pointer-events: none;
}

/* ===== Header ===== */
.header {
    position: sticky; top: 0; z-index: 100;
    background: var(--header-bg, rgba(15, 15, 20, 0.85));
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.header-inner {
    width: 100%;
    padding: 12px 20px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 12px;
}

/* ===== 主导航（首页 / 工具箱）：绝对居中，不受两侧内容宽度影响 ===== */
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-self: center;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 3px;
}
.logo { justify-self: start; display: flex; align-items: center; gap: 10px; }
/* ===== 主题下拉（logo V2 右侧）===== */
.theme-dd-wrap { position: relative; }
.theme-trigger {
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text-light);
    padding: 5px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.theme-trigger:hover {
    border-color: var(--primary);
    color: var(--text);
    background: var(--primary-bg);
}
.theme-trigger::after {
    content: '▾';
    font-size: 10px;
    opacity: 0.7;
}
.theme-dd {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    display: none;
    flex-direction: column;
    gap: 2px;
    min-width: 110px;
    background: var(--card-solid);
    border: 1px solid var(--border-solid);
    border-radius: 10px;
    padding: 4px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.45);
    z-index: 30;
}
.theme-dd::before {
    content: '';
    position: absolute;
    top: -8px; left: 0; right: 0;
    height: 8px;
}
.theme-dd.open { display: flex; }
.theme-dd .theme-opt {
    background: none;
    border: none;
    color: var(--text-muted-2-solid);
    text-align: left;
    padding: 7px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    width: 100%;
    white-space: nowrap;
}
.theme-dd .theme-opt:hover { background: var(--hover-white); color: var(--text); }
.theme-dd .theme-opt.active { color: var(--primary); font-weight: 600; }
.header-badge { justify-self: end; }
.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-light);
    padding: 6px 18px;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}
.nav-btn:hover { color: var(--text); background: var(--card-bg-hover); }
.nav-btn.active {
    background: var(--primary);
    color: #fff;
    font-weight: 600;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-img { width: 32px; height: 32px; border-radius: 6px; }
.logo-text {
    font-size: 18px; font-weight: 700; color: var(--text);
    display: flex; align-items: center; gap: 6px;
}
.ver-tag {
    font-size: 10px; font-weight: 700;
    background: var(--primary); color: #fff;
    padding: 2px 6px; border-radius: 4px;
}
.header-badge {
    margin-left: auto;
    font-size: 12px; color: var(--text-light);
    background: var(--card-bg); border: 1px solid var(--border);
    padding: 4px 12px; border-radius: 20px;
}

/* ===== Main ===== */
.main {
    max-width: 1200px; margin: 0 auto;   /* 整体加宽（原 900px）：尺寸卡片/结果网格/工具箱预览都更舒展 */
    padding: 24px 20px 60px;
}

/* ===== Input Card ===== */
.input-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.input-group { margin-bottom: 18px; }
.input-group label {
    display: block; font-size: 14px; font-weight: 600;
    color: var(--text); margin-bottom: 8px;
}
.required { color: var(--primary); }
.hint { color: var(--text-lighter); font-weight: 400; font-size: 12px; }

textarea, input[type="text"] {
    width: 100%;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    padding: 12px 14px;
    font-size: 14px; font-family: inherit;
    resize: vertical;
    transition: border-color 0.2s;
}
textarea:focus, input[type="text"]:focus {
    outline: none; border-color: var(--primary);
}
textarea::placeholder, input::placeholder { color: var(--text-lighter); }

/* ===== Model Selectors ===== */
.model-selectors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}
.model-group { display: flex; flex-direction: column; gap: 6px; }
.model-group label {
    font-size: 13px; font-weight: 600; color: var(--text-light);
}
.model-group select {
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    padding: 10px 12px;
    font-size: 13px; font-family: inherit;
    cursor: pointer;
    transition: border-color 0.2s;
}
.model-group select:focus { outline: none; border-color: var(--primary); }
.model-group select option { background: var(--bg-deep); color: var(--text); }
.model-group-full { grid-column: 1 / -1; }
.label-sub { font-weight: 400; font-size: 12px; color: var(--text-lighter); margin-left: 4px; }

/* ===== AI 优化提示词按钮 ===== */
.optimize-btn {
    margin-top: 10px;
    width: 100%;
    padding: 11px 14px;
    border: 1.5px dashed var(--primary);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.18s, border-color 0.18s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.optimize-btn:hover { background: var(--card-bg-hover); border-style: solid; }
.optimize-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.opt-sub { font-weight: 400; font-size: 12px; opacity: 0.75; }
.opt-loading { display: flex; align-items: center; gap: 8px; }
.spinner-sm {
    width: 14px; height: 14px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 优化候选提示词卡片 ===== */
.prompt-candidates { border-top: 1px dashed var(--border); padding-top: 16px; }
.pc-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.pc-head > label { font-size: 13px; font-weight: 600; color: var(--text-light); }
.pc-hint { font-weight: 400; font-size: 12px; color: var(--text-lighter); margin-left: 4px; }
.pc-actions { display: flex; align-items: center; gap: 12px; }
.pc-check-all { display: flex; align-items: center; gap: 5px; font-size: 12.5px; color: var(--text-light); cursor: pointer; }
.pc-list { display: flex; flex-direction: column; gap: 10px; }
.pc-item {
    display: flex; gap: 10px; padding: 12px;
    background: var(--bg-deep);
    border: 1.5px solid var(--border);
    border-radius: 10px;
    transition: border-color 0.18s;
}
.pc-item.checked { border-color: var(--primary); }
.pc-item input[type="checkbox"] { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--primary); cursor: pointer; flex-shrink: 0; }
.pc-item-body { flex: 1; min-width: 0; }
.pc-item-tag { display: inline-block; font-size: 11.5px; font-weight: 700; color: var(--primary); margin-bottom: 6px; letter-spacing: 0.3px; }
.pc-item-text {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 13px;
    line-height: 1.6;
    font-family: inherit;
    resize: vertical;
    min-height: 62px;
    padding: 0;
}
.pc-item-text:focus { outline: none; }
.pc-item:not(.checked) .pc-item-text { color: var(--text-lighter); }
.pc-fallback {
    margin: 10px 0 0;
    font-size: 12px;
    color: #f0a020;
    background: rgba(240, 160, 32, 0.1);
    border: 1px solid rgba(240, 160, 32, 0.3);
    border-radius: 6px;
    padding: 8px 10px;
}

/* ===== 投放尺寸卡片（可多选） ===== */
.size-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.size-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 8px 12px;
    background: var(--bg-deep);
    border: 1.5px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: border-color 0.18s, background 0.18s, box-shadow 0.18s;
    font-family: inherit;
    user-select: none;
}
.size-card:hover { border-color: var(--primary); }
.size-card.selected {
    border-color: var(--primary);
    background: var(--card-bg-hover);
    box-shadow: 0 0 0 1px var(--primary) inset;
}
.size-shape {
    display: block;
    border-radius: 5px;
    background: var(--border-solid, var(--border));
    transition: background 0.18s;
}
.size-card.selected .size-shape {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark, var(--primary)));
}
.ratio-1-1  { width: 30px; height: 30px; }
.ratio-3-4  { width: 25px; height: 33px; }
.ratio-16-9 { width: 38px; height: 22px; }
.ratio-9-16 { width: 21px; height: 36px; }
.size-card-name { font-size: 12.5px; color: var(--text-light); line-height: 1.2; text-align: center; }
.size-card-name b { color: var(--text); }
.size-card.selected .size-card-name b { color: var(--primary); }
.size-card-res { font-size: 10.5px; color: var(--text-faint, #9a9a9a); line-height: 1.2; text-align: center; letter-spacing: 0.2px; }
.size-card.selected .size-card-res { color: var(--primary); }

/* ===== 清晰度分段选择 ===== */
.quality-seg {
    display: flex;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 4px;
    gap: 4px;
}
.quality-seg-opt {
    flex: 1;
    padding: 10px 6px;
    border: none;
    border-radius: 9px;
    background: transparent;
    color: var(--text-light);
    font-size: 13.5px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.18s, color 0.18s, box-shadow 0.18s;
    white-space: nowrap;
}
.quality-seg-opt:hover { color: var(--text); }
.quality-seg-opt.selected {
    background: var(--card-solid, var(--card-bg));
    color: var(--primary);
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.18);
}
.quality-hint {
    text-align: center;
    font-size: 12px;
    color: var(--text-lighter);
    margin: 0;
}

@media (max-width: 768px) {
    .size-cards { grid-template-columns: repeat(2, 1fr); }
}

/* ===== Logo Config ===== */
.logo-details {
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 14px;
    overflow: hidden;
}
.logo-details summary {
    padding: 12px 14px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    user-select: none;
    list-style: none;
    transition: background 0.15s;
}
.logo-details summary::-webkit-details-marker { display: none; }
.logo-details summary::before {
    content: '▶';
    display: inline-block;
    margin-right: 8px;
    transition: transform 0.15s;
    font-size: 10px;
    color: var(--text-light);
}
.logo-details[open] summary::before { transform: rotate(90deg); }
.logo-details summary:hover { background: var(--card-bg-hover); }

.logo-config-content { padding: 4px 14px 14px; }

.logo-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--border);
}
.logo-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
}
.logo-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}
.logo-status {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 500;
}
.logo-status.loading {
    background: rgba(255, 193, 7, 0.15);
    color: #FFC107;
}
.logo-status.warning {
    background: rgba(255, 152, 0, 0.15);
    color: #FF9800;
}
.logo-status.ready {
    background: rgba(76, 175, 80, 0.15);
    color: #4CAF50;
}

.logo-section {
    margin-bottom: 14px;
}
.logo-section-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 8px;
}

.logo-variant-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}
.logo-variant-btn {
    background: var(--bg-deep);
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 8px 6px 6px;
    cursor: pointer;
    transition: all 0.15s;
    text-align: center;
}
.logo-variant-btn:hover:not(:disabled) {
    border-color: var(--primary);
    transform: translateY(-1px);
}
.logo-variant-btn.active {
    border-color: var(--primary);
    background: rgba(74, 144, 217, 0.08);
    box-shadow: 0 0 0 2px rgba(74, 144, 217, 0.25);
}
.logo-variant-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.logo-variant-thumb {
    width: 100%;
    aspect-ratio: 2 / 1;
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 6px;
}
.logo-variant-thumb img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.logo-loading {
    font-size: 11px;
    color: #999;
}
.logo-error {
    color: #ef4444;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 4px;
}
.logo-status.error {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid rgba(239, 68, 68, 0.25);
    cursor: help;
}
.logo-variant-name {
    font-size: 11px;
    color: var(--text-light);
    font-weight: 500;
}

.logo-position-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    max-width: 280px;
}
.logo-pos-btn {
    padding: 8px 4px;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-light);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
    font-weight: 500;
}
.logo-pos-btn:hover { border-color: var(--primary); color: var(--text); }
.logo-pos-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.logo-hint {
    margin-top: 8px;
    font-size: 11px;
    color: var(--text-light);
    opacity: 0.75;
    line-height: 1.5;
}

.logo-preview {
    background: #fff;
    border: 1px dashed var(--border);
    border-radius: 6px;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}
.logo-preview img {
    max-width: 100%;
    max-height: 100px;
    object-fit: contain;
}
.logo-preview .hint {
    color: #999;
    font-size: 12px;
}

/* ===== Logo 融合风格选择器 ===== */
.logo-style-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 8px;
}
.logo-style-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 6px 8px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    background: #fafafa;
    cursor: pointer;
    transition: all 0.18s ease;
    font-family: inherit;
    color: #374151;
}
.logo-style-btn:hover {
    border-color: #6366f1;
    background: #eef2ff;
    transform: translateY(-1px);
}
.logo-style-btn.active {
    border-color: #6366f1;
    background: linear-gradient(135deg, #eef2ff, #e0e7ff);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2);
}
.logo-style-icon {
    font-size: 22px;
    line-height: 1;
}
.logo-style-label {
    font-size: 12px;
    font-weight: 600;
}
.logo-style-desc {
    font-size: 10px;
    color: #6b7280;
    text-align: center;
    line-height: 1.2;
}
.logo-style-btn.active .logo-style-desc {
    color: #4f46e5;
}
@media (max-width: 480px) {
    .logo-style-buttons { grid-template-columns: 1fr; }
}

/* ===== Generate Button ===== */
.generate-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 16px;
    font-size: 16px; font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    display: flex; align-items: center; justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 16px rgba(239, 83, 80, 0.3);
}
.generate-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(239, 83, 80, 0.4);
}
.generate-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.cancel-btn {
    width: 100%;
    margin-top: 8px;
    padding: 10px;
    background: transparent;
    color: var(--text-secondary, #888);
    border: 1px solid var(--border, rgba(255,255,255,0.15));
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.cancel-btn:hover {
    color: #ef5350;
    border-color: rgba(239, 83, 80, 0.5);
    background: rgba(239, 83, 80, 0.08);
}
.generate-btn .spinner {
    display: inline-block;
    width: 16px; height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Pipeline Progress ===== */
.pipeline-progress {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 6px;
}
.pipeline-step {
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 4px;
    text-align: center;
    transition: all 0.3s;
}
.pipeline-step .step-icon { font-size: 18px; display: block; margin-bottom: 2px; }
.pipeline-step .step-text { font-size: 11px; color: var(--text-light); }

.pipeline-step.active {
    border-color: var(--primary);
    background: rgba(239, 83, 80, 0.05);
}
.pipeline-step.active .step-text { color: var(--text); }
.pipeline-step.done {
    border-color: var(--success);
    background: rgba(76, 175, 80, 0.05);
}
.pipeline-step.done .step-icon { content: '✅'; }
.pipeline-step.done .step-text { color: var(--success); }

/* ===== Error Toast ===== */
.error-toast {
    margin-top: 16px;
    background: rgba(240, 98, 146, 0.1);
    border: 1px solid var(--danger);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 14px;
    color: var(--danger);
}

/* ===== Result Section ===== */
.result-section { margin-top: 32px; }
.section-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 20px;
}
.section-title {
    font-size: 20px; font-weight: 700; color: var(--text);
}
.secondary-btn {
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    font-size: 13px; font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.secondary-btn:hover { background: var(--card-bg-hover); border-color: var(--primary); }

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, 320px);
    justify-content: center;
    gap: 20px;
}

.result-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: box-shadow 0.2s;
}
.result-card:hover { box-shadow: var(--shadow-hover); }

.result-card img {
    width: 320px;
    height: 320px;
    object-fit: cover;
    display: block;
    cursor: pointer;
    transition: opacity 0.15s;
}
.result-card img:hover { opacity: 0.92; }

.result-card-info {
    padding: 14px;
}
.result-card-info .info-title {
    font-size: 14px; font-weight: 600; color: var(--text);
    margin-bottom: 4px;
}
.result-card-info .info-meta {
    font-size: 12px; color: var(--text-lighter);
}

.download-btn {
    width: 100%;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 0 0 var(--radius) var(--radius);
    padding: 12px;
    font-size: 14px; font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.download-btn:hover { background: var(--primary-dark); }

/* ===== 工具箱视图 ===== */
.tools-section { margin-top: 8px; }
.tools-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}
.tools-title { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.tools-desc { font-size: 13px; color: var(--text-light); margin-bottom: 20px; }
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 14px;
}
.tool-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 22px 16px;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}
.tool-item:hover { border-color: var(--border); }
.tool-item.disabled { opacity: 0.55; cursor: not-allowed; }
.tool-item.disabled:hover { border-color: var(--border); }
.tool-icon { font-size: 30px; }
.tool-name { font-size: 13px; font-weight: 600; color: var(--text); }
.tool-tag {
    font-size: 11px;
    color: var(--text-lighter);
    background: var(--card-bg);
    padding: 2px 10px;
    border-radius: 10px;
}
.tool-tag-ok {
    color: var(--success);
    background: rgba(76, 175, 80, 0.12);
}
.tool-item[role="button"] { cursor: pointer; }
.tool-item[role="button"]:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-2px); }

/* ===== 工具面板 ===== */
.tool-panel {
    margin-top: 20px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}
.tool-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}
.tool-panel-header h3 { font-size: 18px; font-weight: 700; color: var(--text); }
.tool-panel-actions { display: flex; gap: 8px; }
.tool-panel-close {
    background: var(--bg-deep);
    border: 1px solid var(--border);
    color: var(--text-light);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
}
.tool-panel-close:hover { border-color: var(--primary); color: var(--text); }

/* 九宫格切图 */
.grid-split-dropzone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    padding: 36px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 12px;
}
.grid-split-dropzone:hover { border-color: var(--primary); background: var(--primary-bg); }
.grid-split-dropzone.drag-over { border-color: var(--primary); background: var(--primary-bg); }
.grid-split-dropzone .dropzone-icon { font-size: 36px; }
.grid-split-dropzone .dropzone-text { color: var(--text); font-weight: 500; font-size: 14px; margin: 6px 0 4px; }

.grid-split-body { margin-top: 16px; }
.grid-split-options {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}
.grid-split-options label { font-size: 13px; font-weight: 600; color: var(--text-light); }
.grid-split-options select {
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    padding: 8px 12px;
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
}
.grid-split-size { font-size: 12px; color: var(--text-lighter); }

/* 间距 / 圆角滑块 */
.grid-split-sliders {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.grid-split-slider-row {
    display: flex;
    align-items: center;
    gap: 8px;
}
.grid-split-slider-row label { font-size: 13px; font-weight: 600; color: var(--text-light); }
.grid-split-slider-row input[type="range"] {
    width: 130px;
    accent-color: var(--primary);
    cursor: pointer;
}
.grid-split-slider-val {
    font-size: 12px;
    color: var(--text);
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 2px 8px;
    min-width: 42px;
    text-align: center;
}

.grid-split-preview-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}
.grid-split-preview {
    position: relative;
    display: inline-block;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-deep);
}
.grid-split-preview img { display: block; max-width: 100%; max-height: 420px; }
.grid-split-preview canvas { display: block; max-width: 100%; max-height: 420px; cursor: grab; }
.grid-split-preview canvas:active { cursor: grabbing; }

.grid-split-results {
    display: grid;
    gap: 10px;
    margin-bottom: 16px;
}
.grid-split-results-grid {
    justify-content: center;
    max-width: 400px;
    margin: 0 auto 16px;
}
.grid-split-piece {
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 0;
}
.grid-split-piece img { width: 100%; height: 100%; object-fit: cover; display: block; flex: 1; }
.grid-split-piece-name { font-size: 11px; color: var(--text-lighter); padding: 5px 0 3px; }
.grid-split-piece button {
    width: 100%;
    background: var(--bg);
    border: none;
    border-top: 1px solid var(--border);
    color: var(--text-light);
    padding: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
}
.grid-split-piece button:hover { color: var(--text); background: var(--primary-bg); }

.grid-split-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.grid-split-actions .btn-primary { flex: 0 0 auto; }
.grid-split-actions .btn-full {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    border: none;
}

/* 贴二维码 / 贴图：主图预览可缩放（放大后在容器内滚动） */
#qr-sticker-preview {
    display: block;      /* 覆盖 .grid-split-preview 的 inline-block：撑满宽度才是可用的滚动视口 */
    width: 100%;
    overflow: auto;
    /* max-height 由 JS 按视口高度设置——必须与 JS 的等比缩放同源，
       若只在这里用 CSS 压高度，就会「只压高度不压宽度」→ 画面被拉伸变形 */
}
#qr-sticker-preview canvas {
    display: block;
    margin: 0 auto;      /* 未放大时水平居中；放大后 margin 归零，可左右滚动 */
    /* 覆盖 .grid-split-preview canvas 的 max-width / max-height：
       CSS 只压单边会造成画面拉伸变形，尺寸统一由 JS 控制 */
    max-width: none;
    max-height: none;
    touch-action: none;  /* 触屏拖动贴图时阻止页面滚动 */
}

/* 贴图：下载 / 重新选择按钮放在预览上方，与「大小·不透明度·主图缩放」同一行靠右
   （行内空间不够时随 flex-wrap 自动换到下一行，仍靠右） */
.grid-split-sliders .qr-actions-inline { margin-left: auto; }

/* 主图缩放按钮（− / ＋ / 适应） */
.qr-zoom-btn {
    min-width: 30px;
    height: 26px;
    padding: 0 8px;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    color: var(--text);
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
}
.qr-zoom-btn:hover { color: var(--primary); border-color: var(--primary); }
.qr-zoom-btn:active { transform: scale(0.96); }
.qr-zoom-reset { font-weight: 600; }

/* 海报编辑：背景图预览（与贴图同策略——尺寸由 JS 控制，容器内可滚动查看） */
#pe-preview {
    display: block;
    width: 100%;
    overflow: auto;
}
#pe-preview canvas {
    display: block;
    margin: 0 auto;
    max-width: none;
    max-height: none;
    cursor: grab;
    touch-action: none;   /* 触屏拖动海报/文字时阻止页面滚动 */
}
#pe-preview canvas:active { cursor: grabbing; }

/* 海报编辑：文字属性栏 */
.pe-text-controls {
    padding: 10px 12px;
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-deep);
}
.pe-text-controls .pe-row-content { flex: 0 0 auto; flex-wrap: nowrap; align-items: flex-start; }
.pe-text-controls .pe-row-content label { padding-top: 8px; }
/* 注意：全局 `textarea, input[type="text"]` 规则（width:100% / padding:12px）权重是 (0,1,1)，
   会盖掉单类选择器 `.pe-text-input` (0,1,0) —— 结果是输入框 width:100% 独占一行、标签被挤到上一行。
   这里用两级选择器 (0,2,0) 压过去。 */
.pe-text-controls .pe-text-input {
    flex: 1 1 0;
    width: auto;
    min-width: 0;
    min-height: 48px;
    line-height: 1.5;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    padding: 7px 10px;
    font-size: 13px;
    font-family: inherit;
    resize: vertical;
}
.pe-text-controls .pe-text-input:focus { outline: none; border-color: var(--primary); }

/* 字号：数值框可直接手动输入 */
#pe-text-size { width: 110px; }
.pe-text-controls .pe-size-num {
    width: 50px;
    min-width: 0;
    text-align: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    padding: 4px;
    font-size: 12px;
    font-family: inherit;
    -moz-appearance: textfield;
    appearance: textfield;
}
.pe-text-controls .pe-size-num:focus { outline: none; border-color: var(--primary); }
/* 隐藏数字框自带的上下小箭头，保持行内紧凑（调档用 − ＋ 按钮） */
.pe-size-num::-webkit-outer-spin-button,
.pe-size-num::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* 折行规则说明 */
.pe-wrap-tip { font-size: 11px; line-height: 1.55; margin: 0; }
.pe-wrap-tip b { color: var(--text-light); }
.pe-select {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    padding: 7px 10px;
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
}
.pe-text-controls input[type="color"] {
    width: 36px;
    height: 28px;
    padding: 2px;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
}
.pe-bold-btn { font-weight: 800; font-family: Georgia, "Times New Roman", serif; }
.pe-bold-btn.active {
    color: #fff;
    background: var(--primary);
    border-color: var(--primary);
}

/* 海报编辑：两栏布局（左=上传/文字/参数，右=画布） */
.pe-layout {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}
.pe-left {
    flex: 0 0 330px;
    width: 330px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.pe-right {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.pe-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.pe-block-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
}
.pe-block-title .pe-mini { margin-left: auto; }
.pe-block-hint { font-size: 11px; font-weight: 400; color: var(--text-lighter); }
.pe-tip { font-size: 12px; color: var(--text-lighter); line-height: 1.5; }
.pe-mini { padding: 4px 10px; font-size: 12px; }

/* 常驻上传框（加载后显示缩略图） */
.pe-dropzone {
    margin-top: 0;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.pe-dropzone.has-image { padding: 10px; }
.pe-thumb {
    display: block;
    max-width: 100%;
    max-height: 96px;
    border-radius: 6px;
    object-fit: contain;
    background: var(--bg);
}

/* 文字属性栏：左栏内改为纵向表单 */
.pe-text-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
}
.pe-text-controls .grid-split-slider-row { flex-wrap: wrap; row-gap: 6px; }

/* 参数区 / 操作区 */
.pe-params { gap: 10px; }
.pe-actions { flex-direction: row; flex-wrap: wrap; gap: 10px; }
.pe-actions .btn-primary { flex: 1 1 auto; }

/* 右栏：信息条 + 占位 */
.pe-preview-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-height: 18px;
    font-size: 12px;
    color: var(--text-lighter);
}
.pe-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 360px;
    padding: 24px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-lighter);
    font-size: 13px;
    text-align: center;
}
.pe-placeholder-icon { font-size: 34px; }

/* 窄屏：改为上下堆叠 */
@media (max-width: 860px) {
    .pe-layout { flex-direction: column; }
    .pe-left { flex: 1 1 auto; width: 100%; }
    .pe-right { width: 100%; }
    .pe-placeholder { min-height: 220px; }
}

/* 图片拼接 */
.grid-merge-dropzone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    padding: 24px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 12px;
}
.grid-merge-dropzone:hover { border-color: var(--primary); background: var(--primary-bg); }
.grid-merge-dropzone.drag-over { border-color: var(--primary); background: var(--primary-bg); }
.grid-merge-dropzone .dropzone-icon { font-size: 30px; }
.grid-merge-dropzone .dropzone-text { color: var(--text); font-weight: 500; font-size: 14px; margin: 6px 0 4px; }

.grid-merge-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}
.grid-merge-list:empty { display: none; }
.grid-merge-item {
    position: relative;
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xs);
    overflow: hidden;
    border: 2px solid var(--border);
    background: var(--bg-deep);
}
.grid-merge-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.grid-merge-item .grid-merge-idx {
    position: absolute;
    top: 2px; left: 2px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 4px;
}
.grid-merge-item .grid-merge-remove {
    position: absolute;
    top: 2px; right: 2px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 18px; height: 18px;
    font-size: 10px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
.grid-merge-item .grid-merge-remove:hover { background: rgba(239,68,68,0.9); }

/* 拼接格子网格（DOM 预览） */
.grid-merge-grid-wrap { margin-bottom: 14px; }
.grid-merge-grid {
    display: grid;
    gap: 6px;
    max-width: 460px;
    margin: 0 auto;
}
.grid-merge-cell {
    position: relative;
    aspect-ratio: 1;
    border-radius: 6px;
    overflow: hidden;
    background: transparent;
    background-size: cover;
    background-position: center;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed rgba(128,128,128,0.5);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.grid-merge-cell:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); }
.grid-merge-cell.has-img { border: none; }
.grid-merge-cell.drag-over-cell { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(239,83,80,0.35); }
.grid-merge-cell .cell-plus {
    font-size: 26px;
    color: var(--text-lighter);
    user-select: none;
    pointer-events: none;
}
.grid-merge-cell img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    cursor: grab;
    -webkit-user-drag: element;
    user-select: none;
}
.grid-merge-cell .cell-remove {
    position: absolute;
    top: 4px; right: 4px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 20px; height: 20px;
    font-size: 11px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 3;
}
.grid-merge-cell:hover .cell-remove { opacity: 1; }
.grid-merge-cell .cell-remove:hover { background: rgba(239,68,68,0.9); }
.grid-merge-cell .cell-idx {
    position: absolute;
    bottom: 4px; left: 4px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 4px;
    z-index: 3;
    pointer-events: none;
}
.grid-merge-tip {
    text-align: center;
    font-size: 12px;
    color: var(--text-lighter);
    margin-top: 8px;
}

/* ===== Footer ===== */
.footer {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-lighter);
    font-size: 12px;
    border-top: 1px solid var(--border);
    margin-top: 40px;
}

/* ===== Responsive（多断点·移动优先） ===== */

/* --- 平板（≤1024px） --- */
@media (max-width: 1024px) {
    .main { max-width: 100%; padding: 20px 16px 50px; }
    .header-inner { max-width: 100%; padding: 10px 16px; }
    .header-badge { font-size: 11px; padding: 3px 10px; }
    .input-card { padding: 20px; }
    .logo-variant-buttons { grid-template-columns: repeat(3, 1fr); }
}

/* --- 手机横屏 / 大手机（≤768px） --- */
@media (max-width: 768px) {
    :root { --header-h: 54px; }
    .header-inner { display: flex; flex-wrap: wrap; gap: 6px; }
    .main-nav { margin: 0 auto; }
    .logo-text { font-size: 16px; }
    .header-badge { display: none; }
    .input-card { padding: 16px; border-radius: 10px; }
    .input-group { margin-bottom: 14px; }
    .input-group label { font-size: 13px; }
    .model-selectors { grid-template-columns: 1fr 1fr; gap: 10px; }
    .model-group label { font-size: 12px; }
    .model-group select { padding: 9px 10px; font-size: 12px; }
    textarea { padding: 10px 12px; font-size: 13px; }
    .generate-btn { padding: 14px; font-size: 15px; }

    /* 流水线进度：移动端横向滚动 */
    .pipeline-progress {
        grid-template-columns: repeat(6, minmax(80px, 1fr));
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: 4px;
        padding-bottom: 6px;
        scrollbar-width: thin;
    }
    .pipeline-step { min-width: 80px; padding: 8px 4px; }
    .pipeline-step .step-icon { font-size: 16px; }
    .pipeline-step .step-text { font-size: 10px; }

    .logo-variant-buttons { grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
    .logo-variant-btn { padding: 6px 4px 4px; }
    .logo-variant-name { font-size: 10px; }
    .logo-position-buttons { grid-template-columns: 1fr 1fr 1fr 1fr; }
    .logo-pos-btn { font-size: 11px; padding: 7px 2px; }

    .result-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; justify-content: stretch; }
    .result-card img { width: 100%; height: 240px; }
    .section-title { font-size: 18px; }
}

/* --- 手机竖屏（≤480px） --- */
@media (max-width: 480px) {
    :root { --header-h: 52px; }
    .recent-sidebar { width: min(420px, 94vw); }  /* 小屏防溢出 */
    .main { padding: 16px 12px 40px; }
    .header-inner { padding: 8px 12px; }
    .logo-img { width: 28px; height: 28px; }
    .logo-text { font-size: 14px; gap: 4px; }
    .ver-tag { font-size: 9px; padding: 1px 5px; }
    .input-card { padding: 14px; border-radius: 8px; }
    .input-group { margin-bottom: 12px; }
    .input-group label { font-size: 12px; }
    textarea { rows: 3; font-size: 12px; padding: 10px; }
    .model-selectors { grid-template-columns: 1fr; gap: 8px; }
    .model-group select { padding: 10px; font-size: 12px; }

    /* 移动端触控目标放大 */
    .logo-pos-btn { min-height: 40px; font-size: 11px; }
    .generate-btn { padding: 14px; font-size: 14px; }
    .download-btn { padding: 14px; font-size: 13px; }
    .secondary-btn { padding: 10px 14px; font-size: 12px; }

    .pipeline-step .step-text { font-size: 9px; }
    .pipeline-step { min-width: 70px; }

    /* 素材缩略图移动端 */
    .asset-thumb { width: 70px; height: 70px; }
    .asset-dropzone { padding: 16px 10px; min-height: 100px; }
    .dropzone-icon { font-size: 28px; }
    .dropzone-text { font-size: 13px; }

    /* logo 配置移动端简化 */
    .logo-config-content { padding: 4px 10px 10px; }
    .logo-toggle-row { flex-direction: column; align-items: flex-start; gap: 6px; }
    .logo-section { margin-bottom: 10px; }
    .logo-hint { font-size: 10px; }

    /* 结果区 */
    .result-card-info { padding: 10px; }
    .result-card-info .info-title { font-size: 13px; }
    .result-card-info .info-meta { font-size: 11px; }
    .section-header { flex-direction: column; gap: 8px; align-items: flex-start; }

    /* footer */
    .footer { padding: 20px 12px; font-size: 11px; }
}

/* --- 超小屏（≤360px） --- */
@media (max-width: 360px) {
    .logo-text { font-size: 12px; }
    .logo-text .ver-tag { display: none; }
    .input-card { padding: 12px; }
    .generate-btn { font-size: 13px; padding: 12px; }
    .pipeline-step { min-width: 60px; }
}

/* --- 大屏优化（≥1400px） --- */
@media (min-width: 1400px) {
    .main { max-width: 1360px; }   /* 原 960px */
    .input-card { padding: 28px; }
}

/* ===== Asset Dropzone (商户素材拖拽上传) ===== */
.asset-dropzone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    padding: 24px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.asset-dropzone:hover { border-color: var(--primary); background: var(--primary-bg); }
.asset-dropzone.drag-over {
    border-color: var(--primary);
    background: var(--primary-bg);
    transform: scale(1.01);
}
.dropzone-placeholder {
    color: var(--text-light);
}
.dropzone-icon { font-size: 32px; display: block; margin-bottom: 8px; }
.dropzone-text { font-size: 14px; color: var(--text); margin-bottom: 4px; font-weight: 500; }
.dropzone-hint { font-size: 12px; color: var(--text-lighter); }

.asset-thumbnails {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    width: 100%;
}
.asset-thumbnails:empty { display: none; }

.asset-thumb {
    position: relative;
    width: 80px; height: 80px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid var(--border);
    transition: border-color 0.2s;
}
.asset-thumb:hover { border-color: var(--primary); }
.asset-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
}
.asset-thumb .thumb-remove {
    position: absolute;
    top: 2px; right: 2px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    border: none; border-radius: 50%;
    width: 20px; height: 20px;
    font-size: 11px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
}
.asset-thumb:hover .thumb-remove { opacity: 1; }
.asset-thumb .thumb-name {
    position: absolute;
    top: 2px; left: 2px;
    background: rgba(74, 144, 217, 0.9);
    color: #fff;
    font-size: 9px;
    font-weight: 600;
    padding: 1px 5px;
    border-radius: 4px;
}
.asset-thumb .thumb-type {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    font-size: 9px;
    text-align: center;
    padding: 1px 0;
}
.asset-thumb .thumb-selected {
    position: absolute;
    top: 2px; right: 2px;
    font-size: 14px;
    width: 20px; height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    z-index: 5;
}
.asset-thumb .thumb-unselected-badge {
    position: absolute;
    top: 2px; right: 2px;
    font-size: 14px;
    width: 20px; height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    z-index: 5;
    opacity: 0.6;
}
/* Logo 素材隔离标记（由 Canvas 后期合成，不参与 AI 生图） */
.asset-thumb .thumb-logo-isolated {
    position: absolute;
    top: 2px; right: 2px;
    font-size: 15px;
    width: 22px; height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    z-index: 5;
    background: linear-gradient(135deg, #d4a017, #b8860b);
    color: #fff;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(212,160,23,0.5);
}
.asset-thumb.thumb-unselected {
    opacity: 0.4;
    border-color: var(--border) !important;
}
.asset-thumb.thumb-unselected img {
    filter: grayscale(1);
}

/* 模式提示 */
.asset-mode-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding: 8px 12px;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
}
.mode-badge {
    background: var(--primary);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}
.mode-text {
    color: var(--text-light);
}

/* 缩略图分析详情（hover 显示）*/
.thumb-analysis {
    position: absolute;
    bottom: 100%; left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: #fff;
    font-size: 11px;
    padding: 6px 8px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: 10;
    margin-bottom: 6px;
    line-height: 1.4;
}
.thumb-analysis::after {
    content: '';
    position: absolute;
    top: 100%; left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.9);
}
.asset-thumb:hover .thumb-analysis { opacity: 1; }
.thumb-analysis .ta-row { display: flex; align-items: center; gap: 4px; }
.thumb-analysis .ta-true { color: #4ade80; }
.thumb-analysis .ta-false { color: #f87171; }

/* 素材说明输入框（图N说明，随提示词交给优化模型） */
.thumb-note {
    width: calc(100% - 12px);
    margin: 4px auto 2px;
    padding: 5px 7px !important;
    font-size: 11px !important;
    border-radius: 6px;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    color: var(--text);
    text-align: center;
    box-sizing: border-box;
}
.thumb-note:focus { outline: none; border-color: var(--primary); }
.thumb-note::placeholder { color: var(--text-lighter); }

.optional {
    color: var(--text-lighter);
    font-weight: 400;
    font-size: 12px;
}

/* ===== Toast 通知系统 ===== */
.toast-container {
    position: fixed;
    top: 70px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 380px;
    pointer-events: none;
}
.toast {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 16px;
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.5;
    pointer-events: auto;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(8px);
}
.toast.toast-out { animation: toastSlideOut 0.25s ease-in forwards; }
.toast-icon { font-size: 18px; flex-shrink: 0; line-height: 1.2; }
.toast-body { flex: 1; min-width: 0; }
.toast-title { font-weight: 700; margin-bottom: 2px; }
.toast-msg { color: inherit; opacity: 0.9; word-break: break-word; }
.toast-close {
    background: none; border: none; color: inherit;
    opacity: 0.5; cursor: pointer; font-size: 16px;
    padding: 0; line-height: 1; flex-shrink: 0;
    transition: opacity 0.15s;
}
.toast-close:hover { opacity: 1; }
.toast-success { background: rgba(46, 125, 50, 0.92); color: #fff; border: 1px solid rgba(76, 175, 80, 0.4); }
.toast-error   { background: rgba(183, 28, 28, 0.92); color: #fff; border: 1px solid rgba(239, 83, 80, 0.4); }
.toast-info    { background: rgba(21, 101, 192, 0.92); color: #fff; border: 1px solid rgba(66, 165, 245, 0.4); }
.toast-warning { background: rgba(245, 124, 0, 0.92); color: #fff; border: 1px solid rgba(255, 167, 38, 0.4); }
.toast-action {
    margin-top: 8px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.15s;
}
.toast-action:hover { background: rgba(255,255,255,0.25); }

@keyframes toastSlideIn {
    from { transform: translateX(120%); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}
@keyframes toastSlideOut {
    from { transform: translateX(0); opacity: 1; }
    to   { transform: translateX(120%); opacity: 0; }
}

/* ===== Lightbox 大图预览 ===== */
.lightbox-overlay {
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.88);
    z-index: 10001;
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s ease-out;
}
.lightbox-overlay.lightbox-closing { animation: fadeOut 0.2s ease-in forwards; }
.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    animation: lightboxZoom 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.lightbox-content img {
    max-width: 90vw;
    max-height: 80vh;
    border-radius: 8px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
    object-fit: contain;
}
.lightbox-info {
    color: rgba(255,255,255,0.8);
    font-size: 13px;
    text-align: center;
}
.lightbox-close {
    position: absolute;
    top: -40px; right: -8px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    width: 36px; height: 36px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.15s;
}
.lightbox-close:hover { background: rgba(255,255,255,0.25); }
.lightbox-download {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
.lightbox-download:hover { background: var(--primary-dark); }

/* 大图预览操作按钮排布 */
.lightbox-actions {
    display: flex;
    gap: 10px;
}
.lightbox-add-asset {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: #fff;
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
.lightbox-add-asset:hover { background: rgba(255, 255, 255, 0.22); }

/* 存云图册按钮 */
.lightbox-add-cloud {
    background: rgba(124, 77, 255, 0.25);
    border: 1px solid rgba(124, 77, 255, 0.55);
    color: #fff;
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
.lightbox-add-cloud:hover { background: rgba(124, 77, 255, 0.45); }

@keyframes lightboxZoom {
    from { transform: scale(0.9); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; } }

/* ===== 结果卡片入场动画 ===== */
.result-card {
    opacity: 0;
    transform: translateY(20px);
    animation: cardSlideUp 0.4s ease-out forwards;
}
@keyframes cardSlideUp {
    to { opacity: 1; transform: translateY(0); }
}

/* ===== 骨架屏加载 ===== */
.skeleton {
    background: linear-gradient(90deg, var(--card-bg) 25%, var(--card-bg-hover) 50%, var(--card-bg) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}
@keyframes shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
.skeleton-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.skeleton-img {
    width: 100%;
    aspect-ratio: 1;
}

/* ===== 快捷键提示徽章 ===== */
.kbd-hint {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 11px;
    color: var(--text-lighter);
    margin-left: 8px;
    font-weight: 400;
}
.kbd {
    display: inline-block;
    padding: 1px 5px;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 10px;
    font-family: 'Consolas', 'Monaco', monospace;
    color: var(--text-light);
}

/* ===== 清空按钮 ===== */
.input-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}
.clear-btn {
    background: none;
    border: none;
    color: var(--text-lighter);
    font-size: 12px;
    cursor: pointer;
    padding: 4px 8px;
    transition: color 0.15s;
}
.clear-btn:hover { color: var(--danger); }

/* ===== 进度百分比 ===== */
.progress-percent {
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
    margin-left: 8px;
}

/* ===== 错误重试 ===== */
.error-retry-btn {
    margin-top: 8px;
    background: var(--card-bg);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
}
.error-retry-btn:hover {
    background: var(--primary);
    color: #fff;
}

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-lighter);
}
.empty-state-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state-text { font-size: 14px; }

/* ===== 移动端 toast 适配 ===== */
@media (max-width: 480px) {
    .toast-container {
        top: 60px; right: 10px; left: 10px;
        max-width: none;
    }
    .toast { font-size: 12px; padding: 12px 14px; }
    .lightbox-close { top: -36px; right: 0; }
}

/* ===== 减少动画（无障碍） ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== 焦点环（无障碍） ===== */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}


/* ===== 前台登录 ===== */
.login-mask { position: fixed; inset: 0; z-index: 9999; display: flex; align-items: center; justify-content: center; background: var(--mask-bg); backdrop-filter: blur(6px); }
.login-card { width: min(360px, 92vw); background: var(--card-solid); border: 1px solid var(--border-solid); border-radius: 16px; padding: 32px 28px; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.login-logo { text-align: center; margin-bottom: 22px; }
.login-logo img { width: 64px; height: 64px; border-radius: 50%; }
.login-logo h1 { font-size: 19px; margin: 10px 0 4px; }
.login-logo p { color: var(--text-muted-solid); font-size: 13px; margin: 0; }
.login-form { display: flex; flex-direction: column; gap: 12px; }
.login-form input { padding: 11px 14px; border-radius: 10px; border: 1px solid var(--border-solid); background: var(--input-solid); color: var(--text); font-size: 14px; outline: none; }
.login-form input:focus { border-color: #4a90d9; }
.login-form button { padding: 12px; border-radius: 10px; border: none; background: linear-gradient(135deg, #4a90d9, #2b6cb0); color: #fff; font-size: 15px; font-weight: 600; cursor: pointer; }
.login-form button:hover { filter: brightness(1.1); }
.login-error { color: #ff6b6b; font-size: 13px; text-align: center; min-height: 18px; margin: 0; }
.login-foot { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 14px; color: var(--text-muted-solid); font-size: 13px; }
.login-foot button { background: none; border: none; color: #ff6b6b; cursor: pointer; font-size: 13px; text-decoration: underline; }
.header-user { margin-left: 10px; color: var(--text-muted-solid); font-size: 12px; }

.pc-label { color: var(--text-muted-solid); font-size: 13px; display: flex; flex-direction: column; gap: 6px; }
.pc-label input { padding: 11px 14px; border-radius: 10px; border: 1px solid var(--border-solid); background: var(--input-solid); color: var(--text); font-size: 14px; outline: none; }
.pc-label input:focus { border-color: #4a90d9; }
.pc-divider { text-align: center; color: var(--text-lighter); font-size: 12px; margin: 6px 0 2px; position: relative; }
.pc-divider::before, .pc-divider::after { content: ""; position: absolute; top: 50%; width: 28%; height: 1px; background: var(--border-solid); }
.pc-divider::before { left: 0; } .pc-divider::after { right: 0; }
.btn-primary { padding: 11px; border-radius: 10px; border: none; background: linear-gradient(135deg, #4a90d9, #2b6cb0); color: #fff; font-size: 14px; font-weight: 600; cursor: pointer; }
.btn-primary:hover { filter: brightness(1.1); }
.pc-close { background: none; border: 1px solid var(--border-solid); color: var(--text-muted-2-solid); padding: 6px 14px; border-radius: 8px; cursor: pointer; font-size: 13px; }
.pc-logout { background: none; border: none; color: #ff6b6b; cursor: pointer; font-size: 13px; text-decoration: underline; }
.header-user { cursor: pointer; position: relative; display: inline-block; }
.hu-trigger { display: inline-block; padding: 6px 10px; border-radius: 8px; color: var(--text-muted-2-solid); font-size: 12px; }
.hu-trigger:hover { background: var(--hover-white); }
.hu-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    display: none;
    flex-direction: column;
    gap: 2px;
    min-width: 140px;
    background: var(--card-solid);
    border: 1px solid var(--border-solid);
    border-radius: 8px;
    padding: 4px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.45);
    z-index: 20;
}
.hu-dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 8px;
}
.header-user:hover .hu-dropdown,
.hu-dropdown:hover { display: flex; }
.hu-dropdown button {
    background: none;
    border: none;
    color: var(--text-muted-2-solid);
    text-align: left;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    width: 100%;
}
.hu-dropdown button:hover { background: var(--hover-white); }
.hu-dropdown #hu-logout-btn { color: #ff6b6b; }

/* ============================================================
   最近生成侧边栏（本地缓存 · 最多 100 张 · 超出自动删除最旧）
   全尺寸抽屉式：点击「🕘 最近」从左侧滑出 + 半透明遮罩
   ============================================================ */
.recent-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-light);
    border-radius: 18px;
    padding: 5px 14px;
    font-size: 12px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s;
    flex-shrink: 0;
}
.recent-toggle:hover {
    border-color: var(--primary);
    color: var(--text);
    background: var(--primary-bg);
}
.cloud-toggle { margin-left: 8px; }

/* 最近按钮：悬浮在 logo 下方（首页） */
.recent-fab {
    position: fixed;
    top: 70px;
    left: 16px;
    z-index: 150;
    background: var(--card-bg);
    box-shadow: var(--shadow-hover);
}
.recent-fab:hover { background: var(--card-bg-hover); }

.recent-sidebar {
    position: fixed;
    top: var(--header-h); left: 0; bottom: 0;
    width: 420px;  /* 加宽：保证一行两张时图片尺寸不变小 */
    background: var(--drawer-bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 300;
    transform: translateX(-100%);   /* 默认收起 */
    box-shadow: none;
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.recent-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 12px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.recent-title { font-size: 14px; font-weight: 700; color: var(--text); flex-shrink: 0; }
.recent-count {
    flex: 1;
    font-size: 11px;
    color: var(--text-lighter);
    white-space: nowrap;
    text-align: right;
}
.recent-actions { display: flex; gap: 4px; }
.recent-clear, .recent-close {
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text-light);
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 11px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s;
}
.recent-clear:hover, .recent-close:hover { color: var(--primary); border-color: var(--primary); }

/* 搜索框 */
.recent-search {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.recent-search input {
    width: 100%;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    padding: 7px 10px;
    font-size: 12px;
    font-family: inherit;
    transition: border-color 0.15s;
}
.recent-search input:focus { outline: none; border-color: var(--primary); }
.recent-search input::placeholder { color: var(--text-lighter); }

.recent-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}
.recent-scroll::-webkit-scrollbar { width: 5px; }
.recent-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.recent-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);  /* 一行两张 */
    gap: 8px;
}

.recent-item {
    position: relative;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    background: var(--bg-deep);
    transition: border-color 0.15s, transform 0.15s;
}
.recent-item:hover { border-color: var(--primary); transform: translateY(-1px); }
.recent-item img { width: 100%; display: block; aspect-ratio: 1; object-fit: cover; }
.recent-item-meta { padding: 7px 9px; }
.recent-item-title {
    font-size: 11px;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}
.recent-item-time { font-size: 10px; color: var(--text-lighter); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 卡片顶部操作条：📎 素材 · ⬇ 下载 · ✕ 删除 */
.recent-item-actions {
    position: absolute;
    top: 7px; left: 7px; right: 7px;
    display: flex;
    align-items: center;
    gap: 5px;
    z-index: 2;
    pointer-events: none;  /* 容器不拦截，按钮各自可点 */
}
.recent-item-actions button { pointer-events: auto; }

.recent-item-del {
    margin-left: auto;
    width: 22px; height: 22px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.65);
    border: none;
    color: #fff;
    font-size: 11px;
    cursor: pointer;
    line-height: 1;
    display: flex; align-items: center; justify-content: center;
    opacity: 0;
    transition: opacity 0.15s, background 0.15s;
}
.recent-item:hover .recent-item-del { opacity: 1; }
.recent-item-del:hover { background: var(--danger); }

/* 毛玻璃胶囊按钮（加入素材 · 下载） */
.recent-item-add, .recent-item-dl {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 9px;
    border-radius: 14px;
    background: rgba(18, 18, 26, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    font-size: 11px;
    font-weight: 500;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
    transition: all 0.18s;
    white-space: nowrap;
}
.recent-item-add:hover {
    background: linear-gradient(135deg, #43a047, #2e7d32);
    border-color: rgba(255, 255, 255, 0.65);
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(46, 125, 50, 0.45);
}
.recent-item-dl:hover {
    background: linear-gradient(135deg, #42a5f5, #1976d2);
    border-color: rgba(255, 255, 255, 0.65);
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(25, 118, 210, 0.45);
}

.recent-empty {
    text-align: center;
    color: var(--text-lighter);
    font-size: 12px;
    padding: 34px 12px;
    line-height: 1.9;
}

.recent-overlay { display: none; }  /* 不需要遮罩层 */

/* ============================================================
   我的云图册（右侧抽屉 · OSS 存储 · 复用最近生成卡片样式）
   ============================================================ */
.cloud-sidebar {
    position: fixed;
    top: var(--header-h); right: 0; bottom: 0;
    width: 420px;
    background: var(--drawer-bg);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 300;
    transform: translateX(100%);   /* 默认收起（右滑出） */
    box-shadow: none;
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}
body.cloud-open .cloud-sidebar {
    transform: translateX(0);
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.55);
}
@media (max-width: 480px) {
    .cloud-sidebar { width: min(420px, 94vw); }
}

/* 云图册"收藏"胶囊按钮（最近生成卡片上的 ☁️，hover 蓝紫） */
.recent-item-cloud {
    background: var(--card-bg);
}
.recent-item-cloud:hover {
    background: linear-gradient(135deg, #7c4dff, #5e35b1);
    border-color: rgba(255, 255, 255, 0.65);
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(94, 53, 177, 0.45);
}

/* 云图册"加载更多"按钮 */
.load-more {
    display: block;
    width: 100%;
    margin-top: 10px;
    padding: 9px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 12px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s;
}
.load-more:hover { border-color: var(--primary); color: var(--text); }

/* 抽屉打开态（全尺寸生效） */
body.recent-open .recent-sidebar {
    transform: translateX(0);
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.55);
}