/*
 * UI Polish Layer - 2026 大厂质感统一层
 * 目标：统一页面、卡片、表单、按钮、弹窗的视觉语言；不堆特效。
 */
:root {
    --ui-bg-0: #050705;
    --ui-bg-1: #0b100d;
    --ui-surface: rgba(15, 22, 18, 0.82);
    --ui-surface-strong: rgba(18, 26, 21, 0.94);
    --ui-surface-soft: rgba(255, 255, 255, 0.045);
    --ui-border: rgba(255, 255, 255, 0.10);
    --ui-border-strong: rgba(255, 255, 255, 0.16);
    --ui-accent: #4ade80;
    --ui-accent-strong: #22c55e;
    --ui-text: #eefbf2;
    --ui-text-2: rgba(238, 251, 242, 0.74);
    --ui-text-3: rgba(238, 251, 242, 0.50);
    --ui-danger: #f87171;
    --ui-warning: #fbbf24;
    --ui-radius: 12px;
    --ui-radius-sm: 8px;
    --ui-shadow: 0 14px 42px rgba(0, 0, 0, 0.28);
    --ui-shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.20);
}

body {
    color: var(--ui-text);
    background:
        radial-gradient(circle at 12% -10%, rgba(74, 222, 128, 0.10), transparent 34%),
        linear-gradient(180deg, var(--ui-bg-0), #070b08 45%, #050705);
    letter-spacing: 0;
}

.app-container,
.main-content,
.content {
    background: transparent !important;
}

.content {
    padding: 28px;
}

#module-content > * {
    color: var(--ui-text);
}

.module-header,
.favorites-header,
.files-header,
.mindmap-header,
.notes-header,
.tools-header,
.imagegen-header,
.videogen-header,
.tts-header,
.chat-header,
.vision-header {
    margin-bottom: 20px;
}

.module-header h2,
.favorites-header h2,
.files-header h2,
.mindmap-header h2,
.notes-header h2,
.tools-header h2,
.imagegen-header h2,
.videogen-header h2,
.tts-header h2,
.chat-header h2,
.vision-header h2 {
    color: var(--ui-text);
    font-size: clamp(22px, 2vw, 28px);
    font-weight: 700;
    line-height: 1.2;
}

.module-header p,
.imagegen-header p,
.videogen-header p,
.tts-header p,
.vision-header p,
.empty-state p,
.results-empty,
.loading {
    color: var(--ui-text-2);
}

.card,
.welcome-card,
.stat-card,
.quick-action-card,
.favorite-card,
.file-card,
.note-card,
.tool-card,
.today-weather,
.aqi-card,
.forecast-day,
.life-item,
.imagegen-form,
.imagegen-results,
.videogen-controls,
.videogen-result,
.tts-input-section,
.tts-result-section,
.tts-history,
.chat-container,
.vision-chat-container,
.settings-section,
.mindmap-card,
.private-card,
.batch-actions,
.favorites-stats,
.weather-content > section,
.home-section {
    background: var(--ui-surface) !important;
    border: 1px solid var(--ui-border) !important;
    border-radius: var(--ui-radius) !important;
    box-shadow: var(--ui-shadow-soft);
}

.quick-action-card,
.favorite-card,
.file-card,
.note-card,
.tool-card,
.forecast-day {
    transition: border-color 0.16s ease, background 0.16s ease, box-shadow 0.16s ease;
}

.quick-action-card:hover,
.favorite-card:hover,
.file-card:hover,
.note-card:hover,
.tool-card:hover,
.forecast-day:hover {
    border-color: rgba(74, 222, 128, 0.24) !important;
    background: rgba(18, 28, 22, 0.92) !important;
    box-shadow: var(--ui-shadow);
    transform: none !important;
}

button,
.btn,
.btn-primary,
.btn-secondary,
.btn-danger,
.generate-btn,
.mode-tab,
.cat-tab,
.code-btn,
.nav-icon-btn,
.welcome-action-btn,
.view-btn,
.action-btn {
    border-radius: var(--ui-radius-sm) !important;
    min-height: 40px;
    font-weight: 600;
    letter-spacing: 0;
    box-shadow: none;
}

.btn-primary,
.generate-btn,
button.btn-primary,
.btn-accent {
    background: var(--ui-accent) !important;
    color: #041006 !important;
    border: 1px solid rgba(255,255,255,0.10) !important;
}

.btn-primary:hover,
.generate-btn:hover,
button.btn-primary:hover,
.btn-accent:hover {
    background: #5aee91 !important;
    box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.12);
    transform: none !important;
}

.btn-secondary,
button.btn-secondary,
.mode-tab,
.cat-tab,
.code-btn,
.view-btn,
.action-btn {
    background: rgba(255,255,255,0.055) !important;
    color: var(--ui-text) !important;
    border: 1px solid var(--ui-border) !important;
}

.btn-secondary:hover,
button.btn-secondary:hover,
.mode-tab:hover,
.cat-tab:hover,
.code-btn:hover,
.view-btn:hover,
.action-btn:hover {
    background: rgba(255,255,255,0.085) !important;
    border-color: var(--ui-border-strong) !important;
    transform: none !important;
}

.btn-danger,
button.btn-danger {
    background: rgba(248, 113, 113, 0.12) !important;
    color: #fecaca !important;
    border: 1px solid rgba(248, 113, 113, 0.28) !important;
}

input,
textarea,
select,
.form-input,
.input,
.ql-input,
.model-select {
    min-height: 42px;
    background: rgba(4, 9, 6, 0.72) !important;
    color: var(--ui-text) !important;
    border: 1px solid var(--ui-border) !important;
    border-radius: var(--ui-radius-sm) !important;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.035);
}

textarea {
    line-height: 1.55;
}

input:focus,
textarea:focus,
select:focus,
.form-input:focus,
.input:focus,
.ql-input:focus,
.model-select:focus {
    outline: none !important;
    border-color: rgba(74, 222, 128, 0.58) !important;
    box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.13), inset 0 1px 0 rgba(255,255,255,0.04) !important;
}

input::placeholder,
textarea::placeholder {
    color: var(--ui-text-3) !important;
}

.top-nav-fixed,
.sidebar {
    background: rgba(5, 9, 7, 0.86) !important;
    border-color: var(--ui-border) !important;
    box-shadow: var(--ui-shadow-soft);
}

.tree-item,
.nav-link,
.user-info,
.nav-icon-btn {
    border-radius: var(--ui-radius-sm) !important;
}

.tree-item.active,
.nav-link.active,
.mode-tab.active,
.cat-tab.active {
    background: rgba(74, 222, 128, 0.18) !important;
    color: var(--ui-text) !important;
    border-color: rgba(74, 222, 128, 0.32) !important;
    box-shadow: inset 3px 0 0 rgba(74, 222, 128, 0.88);
}

/* Modal / Toast 统一 */
.modal,
.favorites-modal,
.ui-modal-overlay,
.password-modal,
.loading-overlay,
#reset-password-overlay {
    background: rgba(0, 0, 0, 0.62) !important;
    backdrop-filter: blur(10px) saturate(120%);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
}

.modal-content,
.favorites-modal .modal-content,
.ui-modal,
.password-modal-content,
.reset-password-dialog,
.ui-loading-spinner {
    background: var(--ui-surface-strong) !important;
    color: var(--ui-text) !important;
    border: 1px solid var(--ui-border-strong) !important;
    border-radius: var(--ui-radius) !important;
    box-shadow: 0 24px 80px rgba(0,0,0,0.48) !important;
}

.modal-content,
.favorites-modal .modal-content,
.ui-modal,
.password-modal-content,
.reset-password-dialog {
    width: min(820px, calc(100vw - 64px)) !important;
    max-width: calc(100vw - 64px) !important;
    max-height: calc(100vh - 72px) !important;
    overflow: auto;
}

.ui-modal-confirm,
.ui-modal {
    width: min(440px, calc(100vw - 48px)) !important;
}

.modal-header,
.modal-footer,
.ui-modal-footer {
    border-color: var(--ui-border) !important;
}

.ui-toast-container {
    z-index: 4000;
}

.ui-toast,
.toast,
.alert {
    background: var(--ui-surface-strong) !important;
    color: var(--ui-text) !important;
    border: 1px solid var(--ui-border-strong) !important;
    border-radius: var(--ui-radius-sm) !important;
    box-shadow: var(--ui-shadow) !important;
}

.ui-toast-success,
.toast-success,
.alert.success {
    border-color: rgba(74, 222, 128, 0.36) !important;
}

.ui-toast-error,
.toast-error,
.alert.error {
    border-color: rgba(248, 113, 113, 0.40) !important;
}

/* 登录/注册 */
body.auth-page,
.login-page,
.register-page {
    background:
        radial-gradient(circle at 50% -20%, rgba(74, 222, 128, 0.12), transparent 34%),
        linear-gradient(180deg, #050705, #080c09) !important;
}

body .container > .card {
    background: rgba(15, 22, 18, 0.88) !important;
    border: 1px solid var(--ui-border) !important;
    border-radius: var(--ui-radius) !important;
    box-shadow: var(--ui-shadow) !important;
}

.logo,
.logo-icon {
    border-radius: var(--ui-radius-sm) !important;
}

/* 结果/空状态 */
.empty-state,
.results-empty,
.error {
    border-radius: var(--ui-radius-sm) !important;
}

.error {
    color: #fecaca !important;
    background: rgba(248, 113, 113, 0.10) !important;
    border: 1px solid rgba(248, 113, 113, 0.24) !important;
    padding: 14px;
}

.weather-source {
    margin-top: 12px;
    color: var(--ui-text-3);
    font-size: 12px;
}

@media (max-width: 768px) {
    .content {
        padding: 18px;
    }

    .module-header h2,
    .favorites-header h2,
    .files-header h2,
    .mindmap-header h2,
    .notes-header h2,
    .tools-header h2,
    .imagegen-header h2,
    .videogen-header h2,
    .tts-header h2,
    .chat-header h2,
    .vision-header h2 {
        font-size: 22px;
    }

    .modal-content,
    .favorites-modal .modal-content,
    .ui-modal,
    .password-modal-content {
        width: min(760px, calc(100vw - 48px)) !important;
        max-width: calc(100vw - 48px) !important;
        max-height: calc(100vh - 64px) !important;
        overflow: auto;
    }

    .favorites-modal .modal-content {
        width: min(820px, calc(100vw - 48px)) !important;
    }
}

/* ============================================
 * 2026-06-02 Focus Polish
 * 范围：AI创作全页 / 便签 / 设置
 * 目标：更清晰的页面层级、更合理的左右排板、更稳定的卡片细节
 * ============================================ */

/* ---------- 通用模块页头：降低视觉噪声，统一信息层级 ---------- */
.chat-header,
.vision-header,
.imagegen-header,
.videogen-header,
.tts-header,
.module-header:has(+ .notes-filter-tabs),
.module-header:has(+ .settings-content) {
    background: linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.028));
    border: 1px solid var(--ui-border);
    border-radius: 16px;
    padding: 18px 20px;
    box-shadow: var(--ui-shadow-soft);
}

.chat-header h2,
.vision-header h2,
.imagegen-header h2,
.videogen-header h2,
.tts-header h2,
.module-header:has(+ .notes-filter-tabs) h2,
.module-header:has(+ .settings-content) h2 {
    margin: 0 0 6px 0;
    font-size: clamp(22px, 2vw, 27px);
    letter-spacing: -0.02em;
}

.chat-header p,
.vision-header p,
.imagegen-header p,
.videogen-header p,
.tts-header p {
    margin: 0;
    color: var(--ui-text-2);
}
.videogen-container .mode-tabs {
    display: inline-flex;
    width: fit-content;
    padding: 4px;
    gap: 4px;
    background: rgba(255,255,255,0.045);
    border: 1px solid var(--ui-border);
    border-radius: 12px;
    margin-bottom: 0;
}

.videogen-container .mode-tab {
    min-height: 38px;
    padding: 8px 16px;
    border-radius: 9px !important;
    border: 0 !important;
    background: transparent !important;
    color: var(--ui-text-2) !important;
}

.videogen-container .mode-tab.active {
    background: var(--ui-accent) !important;
    color: #061006 !important;
}

.sub-module-container {
    min-height: 560px;
}

/* ---------- AI聊天：头部两端对齐，消息区更像工作台 ---------- */
.ai-chat-container {
    max-width: 1120px !important;
    height: calc(100vh - 210px) !important;
    padding: 0 !important;
    gap: 16px;
}

.ai-chat-container .chat-header {
    margin-bottom: 0 !important;
    padding-bottom: 18px !important;
    border-bottom: 1px solid var(--ui-border) !important;
}

.ai-chat-container .header-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
}

.chat-messages {
    background: rgba(8, 12, 10, 0.58) !important;
    border-color: var(--ui-border) !important;
    border-radius: 16px !important;
}

.chat-input-area {
    background: var(--ui-surface-strong) !important;
    border-color: var(--ui-border-strong) !important;
    border-radius: 16px !important;
}

.chat-input-area .input-hints {
    color: var(--ui-text-3);
    opacity: 1 !important;
}

/* 兼容 message / chat-message 两套类名 */
.message,
.chat-message {
    animation: none !important;
}

.message .message-content,
.chat-message .message-body {
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: none !important;
}

.message.user .message-content,
.chat-message.user .message-body {
    background: rgba(74, 222, 128, 0.13) !important;
    border-color: rgba(74, 222, 128, 0.18);
}

.message.assistant .message-content,
.chat-message.assistant .message-body {
    background: rgba(255,255,255,0.055) !important;
}

/* ---------- 多模态：上传/输入固定为底部卡片，提示信息更规整 ---------- */
.vision-container {
    max-width: 1120px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: calc(100vh - 170px);
}

.vision-model-select {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--ui-surface);
    border: 1px solid var(--ui-border);
    border-radius: 14px;
}

.vision-model-select label {
    color: var(--ui-text-2);
    white-space: nowrap;
}

.vision-chat {
    flex: 1;
    min-height: 420px;
    padding: 20px;
    background: rgba(8, 12, 10, 0.58) !important;
    border: 1px solid var(--ui-border);
    border-radius: 16px;
    overflow-y: auto;
}

.vision-welcome {
    height: 100%;
    min-height: 360px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.vision-tips {
    display: grid;
    grid-template-columns: repeat(2, minmax(160px, 1fr));
    gap: 10px;
    margin-top: 18px;
}

.vision-tips .tip {
    padding: 10px 12px;
    background: rgba(255,255,255,0.055);
    border: 1px solid var(--ui-border);
    border-radius: 10px;
    color: var(--ui-text-2);
}

.vision-input-area {
    padding: 14px;
    background: var(--ui-surface-strong);
    border: 1px solid var(--ui-border-strong);
    border-radius: 16px;
}

.vision-input-area .input-row {
    display: grid;
    grid-template-columns: 44px 1fr auto;
    gap: 10px;
    align-items: end;
}

.file-upload-btn {
    height: 44px;
    width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--ui-border);
    border-radius: 10px;
    cursor: pointer;
}

.vision-input-area textarea {
    min-height: 44px;
    resize: vertical;
}

.input-tips {
    margin-top: 8px;
    color: var(--ui-text-3);
    font-size: 12px;
}

.file-preview {
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.preview-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: rgba(255,255,255,0.055);
    border: 1px solid var(--ui-border);
    border-radius: 10px;
}

.preview-item img {
    width: 42px;
    height: 42px;
    object-fit: cover;
    border-radius: 8px;
}

/* ---------- 文生图：左参数右结果，两栏工作流 ---------- */
.imagegen-container {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(340px, 420px) minmax(0, 1fr);
    grid-template-areas:
        "header header"
        "model model"
        "form results";
    gap: 16px;
}

.imagegen-header { grid-area: header; }
.imagegen-model-select { grid-area: model; }
.imagegen-form { grid-area: form; }
.imagegen-results { grid-area: results; }

.imagegen-model-select {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--ui-surface);
    border: 1px solid var(--ui-border);
    border-radius: 14px;
}

.imagegen-form,
.imagegen-results {
    min-height: 420px;
}

.imagegen-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.imagegen-form textarea {
    min-height: 180px;
    resize: vertical;
}

.imagegen-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.generate-btn {
    width: 100%;
    margin-top: auto;
}

.imagegen-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    align-content: start;
}

.imagegen-results .results-empty,
.imagegen-results .loading,
.imagegen-results .error {
    grid-column: 1 / -1;
    min-height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.imagegen-results .result-item {
    overflow: hidden;
    background: rgba(255,255,255,0.045);
    border: 1px solid var(--ui-border);
    border-radius: 14px;
}

.imagegen-results .result-item img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
}

.imagegen-results .result-actions {
    padding: 10px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.imagegen-results .result-actions button {
    min-height: 34px;
    font-size: 12px;
}

/* ---------- AI视频：同样采用参数/结果分区 ---------- */
.videogen-container {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(340px, 430px) minmax(0, 1fr);
    grid-template-areas:
        "header header"
        "tabs tabs"
        "controls result";
    gap: 16px;
    padding: 0 !important;
}

.videogen-header { grid-area: header; }
.videogen-container .mode-tabs { grid-area: tabs; }
.videogen-container .mode-content { grid-area: controls; margin-bottom: 0 !important; }
.videogen-result { grid-area: result; margin-top: 0 !important; }

.videogen-controls,
.videogen-result {
    min-height: 420px;
}

.videogen-controls {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.videogen-controls textarea {
    min-height: 170px;
}

.videogen-controls .btn-primary {
    margin-top: auto;
}

.videogen-result video {
    max-width: none !important;
    width: 100%;
}

/* ---------- TTS：左输入右结果/历史 ---------- */
.ai-tts-container {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(340px, 430px) minmax(0, 1fr);
    grid-template-areas:
        "header header"
        "settings history"
        "input history"
        "actions history"
        "result history";
    gap: 16px;
}

.tts-header { grid-area: header; }
.tts-settings { grid-area: settings; }
.tts-input-area { grid-area: input; }
.tts-actions { grid-area: actions; }
.tts-result { grid-area: result; }
.tts-history { grid-area: history; }

.tts-settings,
.tts-input-area,
.tts-result,
.tts-history {
    background: var(--ui-surface) !important;
    border: 1px solid var(--ui-border) !important;
    border-radius: 16px !important;
    padding: 18px !important;
}

.tts-settings .setting-row {
    display: grid;
    grid-template-columns: 64px 1fr auto;
    gap: 12px;
    align-items: center;
    margin-bottom: 14px;
}

.tts-input-area textarea {
    min-height: 220px;
    resize: vertical;
}

.tts-actions {
    display: flex;
    gap: 10px;
}

.tts-actions button {
    flex: 1;
}

.tts-history {
    min-height: 560px;
    overflow-y: auto;
}

.tts-history h3 {
    margin-bottom: 14px;
    font-size: 16px;
}

.history-list,
#ttsHistoryList {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.history-item {
    padding: 12px;
    background: rgba(255,255,255,0.045);
    border: 1px solid var(--ui-border);
    border-radius: 12px;
}

/* ---------- 便签：工具栏更紧凑，卡片网格更稳定 ---------- */
.module-header:has(+ .notes-filter-tabs) {
    display: grid;
    grid-template-columns: minmax(180px, auto) 1fr;
    gap: 16px;
    align-items: center;
}

.module-header:has(+ .notes-filter-tabs) .header-actions {
    justify-content: flex-end;
    flex-wrap: wrap;
}

.search-box input,
#notes-search {
    min-width: 240px;
}

.notes-filter-tabs {
    display: inline-flex !important;
    width: fit-content;
    gap: 4px !important;
    padding: 4px !important;
    margin: 0 0 18px 0 !important;
    background: rgba(255,255,255,0.045) !important;
    border: 1px solid var(--ui-border);
    border-radius: 12px !important;
}

.notes-filter-tabs .filter-tab {
    border-radius: 9px !important;
    min-height: 36px;
    padding: 8px 14px;
}

.notes-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)) !important;
    gap: 16px !important;
    align-items: start;
}

.note-card {
    min-height: 210px;
    border-radius: 16px !important;
    box-shadow: 0 10px 28px rgba(0,0,0,0.16) !important;
    transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease !important;
}

.note-card:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 16px 36px rgba(0,0,0,0.22) !important;
}

.note-content textarea,
.note-card textarea {
    line-height: 1.62;
}

.note-actions {
    gap: 6px;
}

.note-btn {
    width: 30px;
    height: 30px;
    min-height: 30px !important;
    border-radius: 8px !important;
}

/* ---------- 设置：从单列堆叠改成分组卡片网格 ---------- */
.settings-content {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
}

.settings-section {
    min-height: 150px;
    padding: 20px !important;
}

.settings-section h3 {
    margin: 0 0 16px 0;
    font-size: 16px;
    letter-spacing: -0.01em;
}

.settings-item {
    display: grid !important;
    grid-template-columns: minmax(90px, 150px) minmax(0, 1fr);
    gap: 12px;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.settings-item:last-child {
    border-bottom: 0;
}

.settings-item label {
    color: var(--ui-text-2);
}

.settings-item span,
.about-info p {
    color: var(--ui-text);
}

.settings-item.toggle {
    grid-template-columns: 1fr auto;
}

.settings-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.settings-actions button {
    flex: 0 1 auto;
}

.danger-zone,
.settings-section.danger-zone {
    border-color: rgba(248, 113, 113, 0.24) !important;
}

/* ---------- 响应式：窄屏全部回落单列 ---------- */
@media (max-width: 1100px) {
    .imagegen-container,
    .videogen-container,
    .ai-tts-container,
    .settings-content {
        grid-template-columns: 1fr;
    }

    .imagegen-container {
        grid-template-areas:
            "header"
            "model"
            "form"
            "results";
    }

    .videogen-container {
        grid-template-areas:
            "header"
            "tabs"
            "controls"
            "result";
    }

    .ai-tts-container {
        grid-template-areas:
            "header"
            "settings"
            "input"
            "actions"
            "result"
            "history";
    }

    .tts-history {
        min-height: 260px;
    }
}

@media (max-width: 720px) {
    .content {
        padding: 16px !important;
    }

    .module-header:has(+ .notes-filter-tabs) {
        grid-template-columns: 1fr;
    }

    .module-header:has(+ .notes-filter-tabs) .header-actions {
        justify-content: stretch;
    }

    .module-header:has(+ .notes-filter-tabs) .header-actions > *,
    .search-box,
    .search-box input,
    #notes-search {
        width: 100%;
        min-width: 0;
    }

    .ai-chat-container {
        height: calc(100vh - 150px) !important;
    }

    .ai-chat-container .chat-header,
    .chat-header,
    .vision-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .ai-chat-container .header-actions,
    .ai-chat-container .model-select {
        width: 100%;
    }

    .vision-input-area .input-row {
        grid-template-columns: 40px 1fr;
    }

    .vision-input-area .send-btn {
        grid-column: 1 / -1;
    }

    .vision-tips,
    .imagegen-form .form-row {
        grid-template-columns: 1fr;
    }

    .settings-item {
        grid-template-columns: 1fr !important;
        gap: 6px;
    }

    .settings-item.toggle {
        grid-template-columns: 1fr auto !important;
    }
}

/* 显式类兜底：避免旧浏览器不支持 :has() 时便签/设置页头失效 */
.notes-page-header,
.settings-page-header {
    background: linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.028));
    border: 1px solid var(--ui-border);
    border-radius: 16px;
    padding: 18px 20px;
    box-shadow: var(--ui-shadow-soft);
}
.notes-page-header h2,
.settings-page-header h2 {
    margin: 0;
    font-size: clamp(22px, 2vw, 27px);
    letter-spacing: -0.02em;
}
.notes-page-header {
    display: grid;
    grid-template-columns: minmax(180px, auto) 1fr;
    gap: 16px;
    align-items: center;
}
.notes-page-header .header-actions {
    justify-content: flex-end;
    flex-wrap: wrap;
}
@media (max-width: 720px) {
    .notes-page-header { grid-template-columns: 1fr; }
    .notes-page-header .header-actions { justify-content: stretch; }
}

/* 顶部横幅频道入口已移除：仅保留侧边栏导航 */
.top-nav-fixed .nav-links:empty {
    display: none !important;
}

/* ============================================
 * 2026-06-02 Focus Polish Pass 2
 * 删除顶部频道入口后的整体界面细节修正
 * ============================================ */

/* ---------- 顶部横幅：删除频道后重新平衡左右布局 ---------- */
.top-nav-fixed {
    gap: 14px;
}

.top-nav-fixed .nav-brand {
    flex: 1 1 auto;
}

.top-nav-fixed .brand-text {
    letter-spacing: -0.01em;
}

.top-nav-fixed .nav-right {
    margin-left: auto;
}

.top-nav-fixed .user-info {
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.045);
}

.top-nav-fixed .nav-icon-btn {
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.035);
}

/* ---------- 侧边栏：让它承担完整导航角色 ---------- */
.sidebar {
    background: linear-gradient(180deg, rgba(12,18,15,0.94), rgba(7,10,8,0.96));
}

.sidebar-header {
    border-bottom: 1px solid rgba(255,255,255,0.07);
}

.sidebar-title {
    color: var(--ui-text-3);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tree-nav {
    padding-top: 14px;
}

.tree-group {
    margin: 10px 10px 14px;
    padding: 8px;
    background: rgba(255,255,255,0.022);
    border: 1px solid rgba(255,255,255,0.055);
    border-radius: 14px;
}

.tree-item:not(.tree-item-parent) {
    margin: 2px 10px;
}

.tree-group .tree-item:not(.tree-item-parent) {
    margin-left: 0;
    margin-right: 0;
}

.tree-item-header {
    border-radius: 10px;
}

.tree-item-parent .tree-item-header {
    color: var(--ui-text);
    font-weight: 700;
}

.tree-children {
    margin-top: 4px;
    padding-left: 0;
}

.tree-children .tree-item-header {
    padding-left: 28px;
    min-height: 36px;
}

.tree-children .tree-label {
    color: var(--ui-text-2);
}

.tree-item.active > .tree-item-header {
    background: rgba(74,222,128,0.13) !important;
    border: 1px solid rgba(74,222,128,0.22);
    color: var(--ui-accent) !important;
}

.tree-item.active .tree-label {
    color: var(--ui-accent) !important;
}

.sidebar-footer {
    background: rgba(255,255,255,0.026);
    border-top: 1px solid rgba(255,255,255,0.07);
}

.user-avatar {
    box-shadow: 0 0 0 1px rgba(74,222,128,0.24), 0 8px 20px rgba(74,222,128,0.08);
}

/* ---------- 主内容：统一最大宽与页面节奏 ---------- */
.main-content {
    scroll-behavior: smooth;
}

.content {
    max-width: 1280px;
    margin: 0 auto;
}

#module-content {
    min-height: calc(100vh - 120px);
}

/* ---------- 指定模块表单：输入区域统一为专业工具感 ---------- */
.ai-chat-container input,
.ai-chat-container textarea,
.ai-chat-container select,
.vision-container input,
.vision-container textarea,
.vision-container select,
.imagegen-container input,
.imagegen-container textarea,
.imagegen-container select,
.videogen-container input,
.videogen-container textarea,
.videogen-container select,
.ai-tts-container input,
.ai-tts-container textarea,
.ai-tts-container select,
.settings-content input,
.settings-content textarea,
.settings-content select,
.notes-page-header input,
.notes-page-header textarea,
.notes-page-header select {
    border-radius: 10px !important;
    border: 1px solid rgba(255,255,255,0.11) !important;
    background: rgba(5, 8, 7, 0.54) !important;
    color: var(--ui-text) !important;
}

.ai-chat-container input:focus,
.ai-chat-container textarea:focus,
.ai-chat-container select:focus,
.vision-container input:focus,
.vision-container textarea:focus,
.vision-container select:focus,
.imagegen-container input:focus,
.imagegen-container textarea:focus,
.imagegen-container select:focus,
.videogen-container input:focus,
.videogen-container textarea:focus,
.videogen-container select:focus,
.ai-tts-container input:focus,
.ai-tts-container textarea:focus,
.ai-tts-container select:focus,
.settings-content input:focus,
.settings-content textarea:focus,
.settings-content select:focus,
.notes-page-header input:focus {
    border-color: rgba(74,222,128,0.62) !important;
    box-shadow: 0 0 0 3px rgba(74,222,128,0.11) !important;
}

.form-group label,
.videogen-controls label,
.setting-row label,
.settings-item label,
.imagegen-model-select label,
.vision-model-select label {
    font-size: 13px;
    font-weight: 650;
    color: var(--ui-text-2) !important;
}

/* ---------- AI聊天：空状态做成建议卡片 ---------- */
.chat-welcome {
    max-width: 560px;
    margin: 0 auto;
}

.chat-welcome ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(160px, 1fr));
    gap: 10px;
    width: 100%;
    margin: 18px 0;
    padding: 0;
    list-style: none;
}

.chat-welcome li {
    padding: 12px 14px;
    background: rgba(255,255,255,0.045);
    border: 1px solid var(--ui-border);
    border-radius: 12px;
    color: var(--ui-text-2);
    text-align: left;
}

.chat-welcome .welcome-hint {
    margin-top: 8px;
    color: var(--ui-accent);
}

/* ---------- 生图/视频/TTS：结果区空态更清晰 ---------- */
.results-empty,
.videogen-result:empty,
.tts-history .text-muted,
.empty-state {
    color: var(--ui-text-3) !important;
}

.imagegen-results .results-empty::before {
    content: '🖼️';
    display: block;
    font-size: 42px;
    margin-bottom: 10px;
    opacity: 0.7;
}

.videogen-result {
    position: relative;
}

/* 结果区隐藏状态保持业务逻辑，不强制展示 */
.videogen-result[style*="display:none"] {
    display: none !important;
}

/* 加载遮罩更克制 */
.loading-overlay {
    backdrop-filter: blur(10px);
    background: rgba(0,0,0,0.62) !important;
}

.loading-overlay p {
    color: var(--ui-text-2) !important;
}

/* ---------- TTS历史：文本截断与按钮排版 ---------- */
.history-item .history-text,
.tts-history .history-text {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.55;
}

.tts-result-actions {
    display: flex;
    gap: 10px;
    margin-top: 12px;
}

.tts-result-actions button {
    flex: 1;
}

/* ---------- 便签：更像笔记墙，但控制按钮不杂乱 ---------- */
.note-card {
    overflow: hidden;
}

.note-header {
    gap: 8px;
}

.note-color-picker {
    gap: 5px;
    flex-wrap: wrap;
}

.color-dot {
    width: 18px !important;
    height: 18px !important;
    border-radius: 999px !important;
    box-shadow: 0 0 0 1px rgba(0,0,0,0.12);
}

.color-dot.active {
    outline: 2px solid rgba(255,255,255,0.75);
    outline-offset: 2px;
}

.note-content {
    font-size: 14px;
}

.note-footer,
.note-meta {
    opacity: 0.72;
}

/* ---------- 设置：高风险动作视觉降级聚合 ---------- */
.settings-section.danger-zone {
    grid-column: 1 / -1;
    min-height: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.settings-section.danger-zone h3 {
    margin: 0;
}

.about-info {
    display: grid;
    gap: 6px;
}

/* ---------- 移动端：顶部更轻，侧边栏不挤压 ---------- */
@media (max-width: 768px) {
    .top-nav-fixed {
        padding: 0 12px;
    }

    .top-nav-fixed .brand-text {
        display: inline-flex;
        max-width: 140px;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .top-nav-fixed .user-info .user-name {
        display: none;
    }

    .tree-group {
        margin-left: 8px;
        margin-right: 8px;
    }

    .chat-welcome ul {
        grid-template-columns: 1fr;
    }

    .settings-section.danger-zone {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ============================================
 * 2026-06-02 Focus Polish Pass 3
 * AI创作子页产品化细节：状态胶囊、提示卡、结果区标题
 * ============================================ */

.imagegen-header,
.videogen-header,
.tts-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.module-status-pill {
    flex: 0 0 auto;
    padding: 7px 11px;
    border-radius: 999px;
    background: rgba(74,222,128,0.12);
    border: 1px solid rgba(74,222,128,0.24);
    color: var(--ui-accent);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.design-tip-card {
    display: grid;
    grid-template-columns: 38px 1fr;
    gap: 12px;
    align-items: center;
    padding: 14px 16px;
    background: rgba(255,255,255,0.042);
    border: 1px solid rgba(255,255,255,0.075);
    border-radius: 14px;
    color: var(--ui-text-2);
}

.design-tip-card .tip-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 11px;
    background: rgba(74,222,128,0.11);
    border: 1px solid rgba(74,222,128,0.16);
}

.design-tip-card strong {
    display: block;
    margin-bottom: 3px;
    color: var(--ui-text);
    font-size: 14px;
}

.design-tip-card span {
    display: block;
    font-size: 13px;
    line-height: 1.45;
}

.imagegen-container {
    grid-template-areas:
        "header header"
        "tip tip"
        "model model"
        "form results";
}

.imagegen-tip { grid-area: tip; }

.videogen-container {
    grid-template-areas:
        "header header"
        "tip tip"
        "tabs tabs"
        "controls result";
}

.videogen-tip { grid-area: tip; }

.ai-tts-container {
    grid-template-areas:
        "header header"
        "tip history"
        "settings history"
        "input history"
        "actions history"
        "result history";
}

.tts-tip { grid-area: tip; }

.input-section-label {
    margin-bottom: 10px;
    color: var(--ui-text-2);
    font-size: 13px;
    font-weight: 700;
}

.result-panel-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.result-panel-title h3 {
    margin: 0;
}

.result-panel-title span {
    color: var(--ui-text-3);
    font-size: 12px;
}

.imagegen-results .results-empty > div {
    display: grid;
    gap: 6px;
}

.imagegen-results .results-empty strong {
    color: var(--ui-text);
    font-size: 16px;
}

.imagegen-results .results-empty span {
    color: var(--ui-text-3);
    font-size: 13px;
}

/* 便签搜索栏和设置按钮再收敛一点 */
.notes-page-header .header-actions {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) auto auto;
    align-items: center;
}

.notes-page-header .search-box input {
    width: 100%;
}

.settings-section .btn-primary,
.settings-section .btn-secondary,
.settings-section .btn-danger {
    min-height: 38px;
}

@media (max-width: 1100px) {
    .imagegen-container {
        grid-template-areas:
            "header"
            "tip"
            "model"
            "form"
            "results";
    }

    .videogen-container {
        grid-template-areas:
            "header"
            "tip"
            "tabs"
            "controls"
            "result";
    }

    .ai-tts-container {
        grid-template-areas:
            "header"
            "tip"
            "settings"
            "input"
            "actions"
            "result"
            "history";
    }
}

@media (max-width: 720px) {
    .imagegen-header,
    .videogen-header,
    .tts-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .module-status-pill {
        align-self: flex-start;
    }

    .notes-page-header .header-actions {
        grid-template-columns: 1fr;
    }
}
/**
 * frontend-redesign.css
 * Skill: frontend-design
 * Direction: Refined Command Console / 精炼指挥台
 * Scope: AI创作全页、便签、设置
 */

:root {
    --fd-bg: #050806;
    --fd-panel: rgba(13, 19, 15, 0.86);
    --fd-panel-strong: rgba(17, 25, 20, 0.94);
    --fd-panel-soft: rgba(255, 255, 255, 0.038);
    --fd-line: rgba(220, 255, 232, 0.095);
    --fd-line-strong: rgba(74, 222, 128, 0.24);
    --fd-text: #effbf2;
    --fd-text-soft: rgba(239, 251, 242, 0.68);
    --fd-text-faint: rgba(239, 251, 242, 0.42);
    --fd-green: #4ade80;
    --fd-green-2: #22c55e;
    --fd-green-soft: rgba(74, 222, 128, 0.12);
    --fd-radius: 18px;
    --fd-radius-sm: 12px;
    --fd-shadow: 0 24px 70px rgba(0,0,0,0.34);
    --fd-shadow-soft: 0 12px 34px rgba(0,0,0,0.22);
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    background:
        linear-gradient(115deg, transparent 0 58%, rgba(74,222,128,0.035) 58% 59%, transparent 59%),
        radial-gradient(circle at 88% 16%, rgba(74,222,128,0.09), transparent 30%),
        radial-gradient(circle at 16% 84%, rgba(34,197,94,0.055), transparent 34%);
}

/* 顶部和侧边栏：更像指挥台外壳 */
.top-nav-fixed {
    background: rgba(7, 11, 8, 0.92) !important;
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--fd-line) !important;
}

.top-nav-fixed .nav-brand::after {
    content: 'Command Console';
    margin-left: 10px;
    padding-left: 10px;
    border-left: 1px solid var(--fd-line);
    color: var(--fd-text-faint);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
/* 页面头部：形成强识别的“标题舱” */
.chat-header,
.vision-header,
.imagegen-header,
.videogen-header,
.tts-header,
.notes-page-header,
.settings-page-header {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(255,255,255,0.07), rgba(255,255,255,0.028)),
        radial-gradient(circle at 90% 20%, rgba(74,222,128,0.16), transparent 32%) !important;
    border: 1px solid var(--fd-line) !important;
    border-radius: var(--fd-radius) !important;
    box-shadow: var(--fd-shadow-soft) !important;
}

.chat-header::before,
.vision-header::before,
.imagegen-header::before,
.videogen-header::before,
.tts-header::before,
.notes-page-header::before,
.settings-page-header::before {
    content: '';
    position: absolute;
    left: 0;
    top: 18px;
    bottom: 18px;
    width: 3px;
    border-radius: 0 99px 99px 0;
    background: var(--fd-green);
    box-shadow: 0 0 24px rgba(74,222,128,0.55);
}

.chat-header h2,
.vision-header h2,
.imagegen-header h2,
.videogen-header h2,
.tts-header h2,
.notes-page-header h2,
.settings-page-header h2 {
    font-size: clamp(24px, 2.2vw, 31px) !important;
    font-weight: 780 !important;
    letter-spacing: -0.035em !important;
}

/* 状态胶囊：更精致 */
.module-status-pill {
    background: linear-gradient(180deg, rgba(74,222,128,0.18), rgba(74,222,128,0.08)) !important;
    border: 1px solid var(--fd-line-strong) !important;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.12), 0 0 0 4px rgba(74,222,128,0.045);
}

/* 提示卡：从信息提示变成设计元素 */
.design-tip-card {
    background:
        linear-gradient(135deg, rgba(74,222,128,0.07), rgba(255,255,255,0.03)) !important;
    border: 1px solid var(--fd-line) !important;
    border-radius: var(--fd-radius-sm) !important;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}

.design-tip-card .tip-icon {
    background: rgba(74,222,128,0.13) !important;
    border-color: rgba(74,222,128,0.24) !important;
}

/* 工作流两栏：左控制台 / 右输出台 */
.imagegen-form,
.videogen-controls,
.tts-settings,
.tts-input-area,
.tts-result,
.imagegen-results,
.videogen-result,
.tts-history,
.vision-chat,
.vision-input-area,
.chat-messages,
.chat-input-area,
.settings-section {
    background: var(--fd-panel) !important;
    border: 1px solid var(--fd-line) !important;
    border-radius: var(--fd-radius) !important;
    box-shadow: var(--fd-shadow-soft) !important;
}

.imagegen-form,
.videogen-controls,
.tts-input-area {
    position: relative;
}

.imagegen-form::before,
.videogen-controls::before,
.tts-input-area::before {
    content: 'INPUT';
    position: absolute;
    top: 14px;
    right: 16px;
    color: var(--fd-text-faint);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.imagegen-results::before,
.videogen-result::before,
.tts-history::before {
    content: 'OUTPUT';
    display: block;
    margin-bottom: 12px;
    color: var(--fd-text-faint);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.tts-history::before {
    content: 'HISTORY';
}

/* 表单控件：高对比但不刺眼 */
.imagegen-container textarea,
.imagegen-container select,
.videogen-container textarea,
.videogen-container select,
.ai-tts-container textarea,
.ai-tts-container select,
.vision-container textarea,
.vision-container select,
.ai-chat-container textarea,
.ai-chat-container select,
.settings-content select,
.notes-page-header input {
    background: rgba(3, 6, 5, 0.66) !important;
    border: 1px solid rgba(220,255,232,0.12) !important;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

/* 按钮：主操作更像终端确认键 */
.btn-primary,
.generate-btn,
.send-btn {
    background: linear-gradient(180deg, #63f093, #32d66d) !important;
    color: #041006 !important;
    border: 1px solid rgba(255,255,255,0.18) !important;
    box-shadow: 0 12px 28px rgba(74,222,128,0.16), inset 0 1px 0 rgba(255,255,255,0.35) !important;
}

.btn-primary:hover,
.generate-btn:hover,
.send-btn:hover {
    transform: translateY(-1px) !important;
    box-shadow: 0 16px 34px rgba(74,222,128,0.22), inset 0 1px 0 rgba(255,255,255,0.35) !important;
}

/* AI聊天：消息区重新塑形 */
.chat-welcome .welcome-icon,
.vision-welcome .welcome-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 22px;
    background: rgba(74,222,128,0.10);
    border: 1px solid var(--fd-line-strong);
    box-shadow: 0 18px 44px rgba(74,222,128,0.10);
}

.chat-welcome li,
.vision-tips .tip {
    background: rgba(255,255,255,0.035) !important;
    border-color: var(--fd-line) !important;
}

.message-avatar,
.chat-message .message-avatar {
    box-shadow: 0 0 0 1px rgba(255,255,255,0.08);
}

/* 生图结果卡片 */
.imagegen-results .result-item {
    border-radius: 16px !important;
    border: 1px solid var(--fd-line) !important;
    background: var(--fd-panel-strong) !important;
    box-shadow: var(--fd-shadow-soft);
}

.imagegen-results .result-item img {
    transition: transform .22s ease;
}

.imagegen-results .result-item:hover img {
    transform: scale(1.025);
}

/* 便签：用轻微不规则层次，保留真实便签感 */
.notes-grid {
    perspective: 1000px;
}

.note-card:nth-child(2n) { transform: rotate(0.25deg); }
.note-card:nth-child(3n) { transform: rotate(-0.25deg); }
.note-card:hover { transform: translateY(-3px) rotate(0deg) !important; }

.note-card::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(135deg, rgba(255,255,255,0.18), transparent 30%);
    opacity: .28;
}

/* 设置：用“设置矩阵”呈现 */
.settings-content {
    grid-template-columns: repeat(12, 1fr) !important;
}

.settings-section {
    grid-column: span 6;
}

.settings-section:nth-child(1),
.settings-section:nth-child(4) {
    grid-column: span 7;
}

.settings-section:nth-child(2),
.settings-section:nth-child(3) {
    grid-column: span 5;
}

.settings-section.danger-zone {
    grid-column: 1 / -1 !important;
}

.settings-section h3 {
    display: flex;
    align-items: center;
    gap: 8px;
}

.settings-item {
    border-bottom-color: rgba(220,255,232,0.075) !important;
}

/* 响应式 */
@media (max-width: 1100px) {
    .settings-content {
        grid-template-columns: 1fr !important;
    }
    .settings-section,
    .settings-section:nth-child(1),
    .settings-section:nth-child(2),
    .settings-section:nth-child(3),
    .settings-section:nth-child(4) {
        grid-column: 1 / -1;
    }
}

@media (max-width: 720px) {
    .top-nav-fixed .nav-brand::after {
        display: none;
    }

    .imagegen-form::before,
    .videogen-controls::before,
    .tts-input-area::before,
    .imagegen-results::before,
    .videogen-result::before,
    .tts-history::before {
        display: none;
    }
}

/* 便签光泽层需要定位上下文 */
.note-card {
    position: relative;
}

/* ============================================
 * 全屏铺满修正
 * 问题：侧边栏占位后主内容区未撑满剩余宽度
 * ============================================ */

/* 主容器：确保全宽 */
.app-container {
    width: 100%;
    max-width: none;
}

/* 侧边栏：固定宽度，不挤压主内容 */

/* 主内容区：占满剩余宽度 */
.main-content {
    flex: 1 1 auto;
    width: 0; /* flex 弹性基准，强制撑满 */
    min-width: 0;
    margin-left: 0;
    padding: var(--space-lg) var(--space-xl);
}

/* 内容容器：取消最大宽限制，用 padding 控制内边距 */
.content {
    max-width: none;
    width: 100%;
}

/* 模块容器：撑满 */
.module {
    width: 100%;
}

/* 各子页面容器也撑满 */
.ai-chat-container,
.vision-container,
.imagegen-container,
.videogen-container,
.ai-tts-container {
    max-width: none;
    width: 100%;
}

/* 两栏布局调整：左右比例更合理 */
.imagegen-container {
    grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
}

.videogen-container {
    grid-template-columns: minmax(320px, 400px) minmax(0, 1fr);
}

.ai-tts-container {
    grid-template-columns: minmax(320px, 400px) minmax(0, 1fr);
}

/* 设置页也撑满 */
.settings-content {
    width: 100%;
}

/* 便签网格：自适应列数更多 */
.notes-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* 左侧栏展开状态下的间距微调 */
@media (min-width: 1024px) {
    .main-content {
        padding: var(--space-lg) var(--space-xl);
    }
}

/* 宽屏：两栏比例再调整 */
@media (min-width: 1440px) {
    .imagegen-container {
        grid-template-columns: minmax(360px, 420px) minmax(0, 1fr);
    }
    
    .videogen-container {
        grid-template-columns: minmax(360px, 440px) minmax(0, 1fr);
    }
    
    .ai-tts-container {
        grid-template-columns: minmax(360px, 440px) minmax(0, 1fr);
    }
    
    .notes-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

/* 移动端侧边栏隐藏后主内容撑满 */
@media (max-width: 1023px) {
    .main-content {
        margin-left: 0;
        width: 100%;
        padding: var(--space-md);
    }
}

/* 顶部横幅也撑满 */
.top-nav-fixed {
    width: 100%;
}

/* ============================================
 * 视口适配：一屏显示完整功能
 * 问题：module 超出容器高度，需要滚动
 * ============================================ */

/* 主内容区：固定视口高度，不超出 */
.main-content {
    height: calc(100vh - 56px);
    max-height: calc(100vh - 56px);
    overflow-y: auto;
    padding: 16px 24px;
}

/* 内容容器：减少 padding */
.content {
    padding: 0;
    min-height: 0;
}

/* 模块容器：不设置固定最小高度 */
.module {
    min-height: 0;
}

/* 页面头部：紧凑化 */
.chat-header,
.vision-header,
.imagegen-header,
.videogen-header,
.tts-header,
.notes-page-header,
.settings-page-header {
    padding: 14px 18px;
    margin-bottom: 12px;
}

/* 两栏布局：高度适配视口 */
.imagegen-container,
.videogen-container,
.ai-tts-container {
    min-height: 0;
    height: auto;
}

.imagegen-form,
.videogen-controls,
.tts-input-area,
.tts-settings {
    max-height: calc(100vh - 280px);
    overflow-y: auto;
}

.imagegen-results,
.videogen-result,
.tts-history {
    max-height: calc(100vh - 280px);
    overflow-y: auto;
}

/* AI聊天：固定视口高度 */
.ai-chat-container {
    height: calc(100vh - 120px) !important;
    max-height: calc(100vh - 120px) !important;
}

.chat-messages {
    flex: 1;
    min-height: 0;
    max-height: calc(100vh - 240px);
    overflow-y: auto;
}

/* 便签：网格高度适配 */
.notes-grid {
    max-height: calc(100vh - 220px);
    overflow-y: auto;
}

/* 设置：网格适配 */
.settings-content {
    max-height: calc(100vh - 220px);
    overflow-y: auto;
}

/* 卡片/面板：减少 padding */
.imagegen-form,
.videogen-controls,
.tts-input-area,
.tts-settings,
.tts-history,
.chat-messages,
.chat-input-area,
.vision-chat,
.vision-input-area,
.settings-section {
    padding: 14px;
}

/* 提示卡：紧凑 */
.design-tip-card {
    padding: 12px 14px;
    margin-bottom: 12px;
}

/* 模态框：视口适配 */
.modal {
    max-height: 90vh;
    overflow-y: auto;
}

/* 移动端适配 */
@media (max-width: 720px) {
    .main-content {
        padding: 12px 16px;
        height: calc(100vh - 48px);
    }
    
    .imagegen-form,
    .videogen-controls,
    .tts-input-area,
    .tts-settings,
    .imagegen-results,
    .videogen-result,
    .tts-history,
    .chat-messages,
    .notes-grid,
    .settings-content {
        max-height: calc(100vh - 200px);
    }
}

.sub-module-container {
    min-height: 0;
    max-height: calc(100vh - 280px);
    overflow-y: auto;
}

/* 便签颜色选择按钮：圆形更小 */
.color-dot {
    width: 16px !important;
    height: 16px !important;
    border-radius: 50% !important;
    border: 2px solid rgba(255,255,255,0.12) !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.18) !important;
}

.color-dot:hover {
    transform: scale(1.15);
    box-shadow: 0 2px 6px rgba(0,0,0,0.24) !important;
}

.color-dot.active {
    outline: 2px solid var(--fd-green);
    outline-offset: 2px;
}

/* 强制覆盖便签颜色按钮尺寸 */
.color-dot {
    width: 16px !important;
    height: 16px !important;
    min-height: 16px !important;
    max-height: 16px !important;
    padding: 0 !important;
    line-height: 0 !important;
    border-radius: 50% !important;
    display: inline-block !important;
}

/* 收藏页：减少顶部元素间距 */
.favorites-header {
    margin-bottom: 12px !important;
    padding-bottom: 12px !important;
}

.favorites-stats {
    margin-bottom: 12px !important;
    padding: 12px 16px !important;
}

.favorites-search-bar {
    margin-bottom: 12px !important;
}

.batch-actions {
    margin-bottom: 10px !important;
}

/* 聊天页隐藏顶部标题，保留操作按钮 */
.chat-header .header-left {
    display: none !important;
}

.chat-header .header-actions {
    flex: 1 !important;
    justify-content: flex-end !important;
}

/* 收藏页：批量操作栏隐藏时不占用空间 */
.batch-actions:not(.show) {
    display: none !important;
    margin-bottom: 0 !important;
    padding: 0 !important;
    height: 0 !important;
}

/* 分类标签：减少上边距 */
.category-tabs {
    margin-top: 0 !important;
    margin-bottom: 12px !important;
}

/* 收藏页：搜索栏和分类标签之间几乎无间隙 */
.favorites-search-bar {
    margin-bottom: 4px !important;
}

.category-tabs {
    margin-top: 0 !important;
    margin-bottom: 8px !important;
}

/* AI创作各子模块顶部标题：紧凑显示 */
.chat-header,
.imagegen-header,
.videogen-header,
.tts-header {
    padding: 10px 18px 8px !important;
    margin-bottom: 8px !important;
}

.chat-header h2,
.imagegen-header h2,
.videogen-header h2,
.tts-header h2 {
    font-size: 1.1rem;
    margin-bottom: 2px;
}

/* 容器顶部紧凑 */
.imagegen-container,
.videogen-container,
.ai-tts-container {
    padding-top: 0 !important;
}

/* 聊天页面标题样式 */
.chat-header .header-left {
    display: flex !important;
    align-items: center;
    gap: 12px;
}

.chat-header h2 {
    font-size: 1.1rem !important;
    margin-bottom: 0 !important;
}

.chat-header p {
    display: none;
}

.sub-module-container {
    height: 100% !important;
    max-height: none !important;
    overflow: hidden !important;
}

.sub-module-container .ai-chat-container,
.sub-module-container .vision-container {
    height: 100% !important;
    max-height: none !important;
    min-height: 0 !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
    padding: 0 !important;
}

.sub-module-container .chat-header,
.sub-module-container .vision-header,
.sub-module-container .vision-model-select {
    flex: 0 0 auto !important;
}

.sub-module-container .chat-main {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
}

.sub-module-container .chat-messages,
.sub-module-container .vision-chat {
    flex: 1 1 auto !important;
    min-height: 160px !important;
    max-height: none !important;
    overflow-y: auto !important;
}

.sub-module-container .chat-input-area,
.sub-module-container .vision-input-area {
    flex: 0 0 auto !important;
    position: relative !important;
    z-index: 5 !important;
    margin-top: 10px !important;
}

.sub-module-container #chat-input,
.sub-module-container #vision-input,
.sub-module-container #vision-file-input,
.sub-module-container .send-btn,
.sub-module-container .file-upload-btn {
    pointer-events: auto !important;
}