/* ============================================================
   Vertex AI 图片编辑 - 样式表
   ============================================================ */

/* CSS 变量 */
:root {
    /* 颜色 */
    --color-bg: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a25;
    --color-surface: rgba(255, 255, 255, 0.05);
    --color-surface-hover: rgba(255, 255, 255, 0.08);
    --color-border: rgba(255, 255, 255, 0.12);
    --color-border-hover: rgba(255, 255, 255, 0.2);

    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.75);
    --color-text-muted: rgba(255, 255, 255, 0.5);

    --color-primary: #fbbf24;
    --color-primary-hover: #f59e0b;
    --color-primary-glow: rgba(251, 191, 36, 0.3);

    --color-success: #22c55e;
    --color-error: #ef4444;
    --color-warning: #f59e0b;

    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

    /* 动画 */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;

    /* 尺寸 */
    --sidebar-width: 280px;
}

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

/* 基础样式 */
html,
body {
    height: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* 滚动条 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-border-hover);
}

/* ============================================================
   布局
   ============================================================ */

.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.gallery-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.gallery-link:hover {
    background: rgba(251, 191, 36, 0.1);
    transform: scale(1.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.logo-icon {
    font-size: 1.5rem;
}

.sidebar-section {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.section-icon {
    font-size: 0.9rem;
}

/* 凭证列表 */
.credential-upload {
    margin-bottom: var(--spacing-md);
}

.credential-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 150px;
    overflow-y: auto;
}

.credential-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--color-text-primary);
}

.credential-item .name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--color-text-primary);
}

.credential-item .stats {
    color: var(--color-text-muted);
    font-size: 0.7rem;
    margin-left: var(--spacing-sm);
}

.credential-item .delete-btn {
    padding: 2px 6px;
    background: transparent;
    border: none;
    color: var(--color-error);
    cursor: pointer;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
    margin-left: var(--spacing-sm);
}

.credential-item .delete-btn:hover {
    opacity: 1;
}

/* 会话列表 */
.session-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 200px;
    overflow-y: auto;
    margin-top: var(--spacing-md);
}

.session-item {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.session-item:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-hover);
}

.session-item.active {
    border-color: var(--color-primary);
    background: rgba(251, 191, 36, 0.1);
}

.session-item .session-title {
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 2px;
    color: var(--color-text-primary);
}

.session-item .session-meta {
    font-size: 0.7rem;
    color: var(--color-text-muted);
}

/* 设置项 */
.setting-item {
    margin-bottom: var(--spacing-md);
}

.setting-item:last-child {
    margin-bottom: 0;
}

.setting-item label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.setting-item select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.setting-item select:hover {
    border-color: var(--color-border-hover);
}

.setting-item select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.setting-item select option {
    background: #1a1a25;
    color: #ffffff;
    padding: 8px;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* ============================================================
   主内容区
   ============================================================ */

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--color-bg);
}

/* 上传区域 */
.upload-area {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

.upload-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.upload-zone:hover {
    border-color: var(--color-primary);
    background: rgba(251, 191, 36, 0.05);
}

.upload-zone.dragover {
    border-color: var(--color-primary);
    background: rgba(251, 191, 36, 0.1);
}

.upload-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.upload-title {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.upload-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* 上传预览 */
.upload-preview {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.preview-item {
    position: relative;
    width: 80px;
    height: 80px;
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 2px solid var(--color-border);
}

.preview-item .remove-btn {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 20px;
    height: 20px;
    background: var(--color-error);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================================
   对话区
   ============================================================ */

.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

/* 欢迎消息 */
.welcome-message {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-secondary);
}

.welcome-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.welcome-message h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.welcome-message p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.example-prompts {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.example-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.example-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ============================================================
   输入区
   ============================================================ */

.input-area {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.input-container {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
}

.input-container:focus-within {
    border-color: var(--color-primary);
}

#promptInput {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: 0.95rem;
    padding: var(--spacing-sm);
    resize: none;
    min-height: 24px;
    max-height: 150px;
    line-height: 1.5;
}

#promptInput:focus {
    outline: none;
}

#promptInput::placeholder {
    color: var(--color-text-muted);
}

.input-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.input-hint {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.input-hint .separator {
    margin: 0 var(--spacing-xs);
}

.btn-clear-failed {
    padding: 2px 8px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-size: 0.7rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-clear-failed:hover {
    border-color: var(--color-error);
    color: var(--color-error);
    background: rgba(239, 68, 68, 0.1);
}

/* ============================================================
   按钮
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--color-primary);
    color: #000;
}

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

.btn-outline {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text-secondary);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--color-surface-hover);
    color: var(--color-text-primary);
}

.btn-full {
    width: 100%;
}

.btn-send {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.send-icon {
    font-size: 1.2rem;
}

/* ============================================================
   加载和 Toast
   ============================================================ */

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--spacing-md);
    z-index: 1000;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.toast-container {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 1000;
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease;
    max-width: 350px;
    color: var(--color-text-primary);
}

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

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

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

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================================
   任务卡片（多任务模式）
   ============================================================ */

.multi-task-hint {
    color: var(--color-primary);
    font-size: 0.85rem;
    margin-top: var(--spacing-sm);
}

.task-card {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    animation: taskIn 0.3s ease;
}

@keyframes taskIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.task-card.pending {
    border-left: 3px solid var(--color-text-muted);
}

.task-card.running {
    border-left: 3px solid var(--color-primary);
    animation: taskIn 0.3s ease, taskPulse 2s ease-in-out infinite;
}

@keyframes taskPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(251, 191, 36, 0);
    }

    50% {
        box-shadow: 0 0 20px 0 rgba(251, 191, 36, 0.2);
    }
}

.task-card.success {
    border-left: 3px solid var(--color-success);
}

.task-card.error {
    border-left: 3px solid var(--color-error);
}

.task-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.task-status {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

.task-model {
    font-size: 0.75rem;
    color: var(--color-primary);
    padding: 2px 8px;
    background: rgba(251, 191, 36, 0.1);
    border-radius: var(--radius-sm);
    margin-right: auto;
}

.task-meta {
    flex: 1;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-align: right;
}

.task-reroll {
    width: 24px;
    height: 24px;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--color-primary);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    opacity: 0.7;
}

.task-reroll:hover {
    opacity: 1;
    background: rgba(251, 191, 36, 0.1);
}

.task-delete {
    width: 24px;
    height: 24px;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 1rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    opacity: 0.5;
}

.task-delete:hover {
    opacity: 1;
    background: var(--color-surface-hover);
    color: var(--color-error);
}

.task-input-images {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.task-input-images img {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.task-prompt {
    font-size: 0.95rem;
    line-height: 1.5;
    padding: var(--spacing-sm);
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.task-result {
    min-height: 20px;
}

.task-loading {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-primary);
    font-size: 0.85rem;
}

.loading-spinner-small {
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.task-text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    white-space: pre-wrap;
}

.task-images {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.task-image {
    max-width: 100%;
    max-height: 400px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.task-image:hover {
    transform: scale(1.02);
}

.task-error {
    color: var(--color-error);
    font-size: 0.85rem;
    padding: var(--spacing-sm);
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-sm);
}

.task-thoughts {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(251, 191, 36, 0.1);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-primary);
}

.task-thoughts summary {
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--color-primary);
    font-weight: 500;
}

.task-thoughts .thoughts-content {
    margin-top: var(--spacing-sm);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    white-space: pre-wrap;
}

/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        bottom: 0;
        z-index: 100;
        transition: left var(--transition-normal);
    }

    .sidebar.open {
        left: 0;
    }

    .upload-zone {
        padding: var(--spacing-lg);
    }

    .upload-icon {
        font-size: 2rem;
    }

    .welcome-icon {
        font-size: 3rem;
    }

    .example-prompts {
        flex-direction: column;
    }
}