/**
 * components.css - Dashboard 通用UI组件
 * 按钮 / 卡片 / 弹窗 / 输入框 / Toast / 进度条 / 空状态
 */


/* ========== from style.css ========== */
.btn-primary {
    background: var(--accent);
    color: #000 !important;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary {
    background: var(--bg-hover);
    color: var(--text-primary) !important;
    border: 1px solid var(--border);
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    font-size: 16px;
}

.btn-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    font-size: 20px;
}

.module-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

/* 模块头部 */

/* ========== from design-system.css ========== */
/**
 * Dashboard Design System
 * 统一设计系统 - 紫蓝渐变色系 + 浅色主题
 * 参照大厂设计原则（一致性/渐进式披露/层次分明/容错性/效率优先/可访问性）
 */

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    line-height: 1.5;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent-dark));
    color: #fff;
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary-dark));
    transform: translateY(-1px);
    box-shadow: var(--shadow-primary);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}
.btn-secondary:hover {
    background: var(--border);
}

.btn-danger {
    background: var(--error);
    color: #fff;
}
.btn-danger:hover {
    background: #dc2626;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}
.btn-ghost:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ========== 卡片 ========== */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.card-body {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ========== 输入框 ========== */
.input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: all var(--transition);
}

.input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(74,222,128,0.15);
}

.input::placeholder {
    color: var(--text-muted);
}

.input-sm { padding: 6px 10px; font-size: 12px; }

/* ========== 徽标 ========== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
}

.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-error { background: var(--error-light); color: var(--error); }
.badge-info { background: var(--info-light); color: var(--info); }

/* ========== 弹窗 ========== */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: modalIn 0.2s ease;
}

.modal-backdrop {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 24px;
    max-width: 90vw;
    max-height: 90vh;
    overflow: auto;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* ========== Toast 提示 ========== */
.toast {
    position: fixed;
    top: 72px;
    right: 24px;
    padding: 12px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    box-shadow: var(--shadow-md);
    z-index: 3000;
    animation: toastIn 0.3s ease;
    max-width: 360px;
}

.toast-success { background: var(--success-light); color: var(--success); border: 1px solid var(--success); }
.toast-error { background: var(--error-light); color: var(--error); border: 1px solid var(--error); }
.toast-warning { background: var(--warning-light); color: var(--warning); border: 1px solid var(--warning); }
.toast-info { background: var(--info-light); color: var(--info); border: 1px solid var(--info); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

/* ========== 进度条 ========== */
.progress {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--accent-dark));
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.progress-fill.warning { background: linear-gradient(135deg, var(--warning), #d97706); }
.progress-fill.error { background: linear-gradient(135deg, var(--error), #dc2626); }

/* ========== 网格布局 ========== */
.grid { display: grid; gap: var(--space-md); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ========== 空状态 ========== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state-desc {
    font-size: 14px;
    color: var(--text-muted);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .modal-content { max-width: 95vw; padding: 16px; }
}
/* ========== 暗色主题 覆盖（仅组件级别） ========== */
body.dark-theme .card { background: var(--bg-card); border-color: var(--border); }
body.dark-theme .btn-secondary { background: var(--bg-hover); color: var(--text-primary); }
body.dark-theme .btn-secondary:hover { background: var(--border-light); }
body.dark-theme .btn-ghost { color: var(--text-secondary); }
body.dark-theme .btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }
body.dark-theme .input { background: var(--bg-card); border-color: var(--border); color: var(--text-primary); }
body.dark-theme .modal-backdrop { background: rgba(0,0,0,0.7); }
body.dark-theme .empty-state-icon { opacity: 0.3; }


/* ========== 密码弹窗 ========== */
/* 修改密码弹窗样式 */
.password-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.password-modal .modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.password-modal .modal-content {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    width: 100%;
    max-width: 400px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.password-modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.password-modal .modal-header h3 {
    font-size: 18px;
    color: var(--text);
}

.password-modal .modal-body {
    padding: 20px;
}

.password-modal .form-group {
    margin-bottom: 16px;
}

.password-modal .form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.password-modal .form-group input {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
}

.password-modal .form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.password-modal .error-text {
    color: var(--error);
    font-size: 13px;
    margin-top: 8px;
}

.password-modal .modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid var(--border);
}

.password-modal .btn-close {
    width: 28px;
    height: 28px;
    border: none;
    background: var(--bg-hover);
    color: var(--text-muted);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.password-modal .btn-close:hover {
    background: var(--error);
    color: white;
}

/* ========== 统一加载与错误态 ========== */
.loading-state, .error-state {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-height: 240px; padding: 32px 16px; text-align: center; gap: 12px;
}
.loading-state .loading-icon, .error-state .error-icon { font-size: 40px; }
.loading-state .loading-title, .error-state .error-title { font-size: 16px; font-weight: 600; color: var(--text-primary); }
.loading-state .loading-message, .error-state .error-message { font-size: 13px; color: var(--text-muted); }
.loading-state .loading-spinner {
    width: 24px; height: 24px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }


/* ============================================
   2026 Polish Layer - 通用组件优化
   ============================================ */
.btn,
.btn-primary,
.btn-secondary,
.btn-danger,
.btn-ghost,
button,
select,
input,
textarea {
    font-family: inherit;
}

.btn-primary,
button.btn-primary,
.ql-add-btn,
.generate-btn,
.send-btn {
    background: linear-gradient(135deg, #6EE7A1 0%, #4ADE80 45%, #22C55E 100%) !important;
    color: #031108 !important;
    border: 1px solid rgba(187,247,208,0.42) !important;
    box-shadow: 0 12px 30px rgba(74,222,128,0.18);
}

.btn-primary:hover,
button.btn-primary:hover,
.ql-add-btn:hover,
.generate-btn:hover,
.send-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 44px rgba(74,222,128,0.25);
}

.btn-secondary,
button.btn-secondary,
.welcome-action-btn,
.topbar-btn {
    background: rgba(255,255,255,0.055) !important;
    color: var(--text-primary) !important;
    border: 1px solid rgba(255,255,255,0.10) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover,
button.btn-secondary:hover,
.welcome-action-btn:hover,
.topbar-btn:hover {
    background: rgba(74,222,128,0.12) !important;
    border-color: rgba(74,222,128,0.25) !important;
    color: var(--accent-light) !important;
}

.card,
.modal-content,
.settings-section,
.form-panel,
.preview-panel,
.ai-form-card,
.favorite-card,
.file-toolbar,
.upload-zone,
.files-list,
.chat-header,
.chat-input-area,
.multimodal-header,
.image-form,
.video-form,
.tts-form,
.weather-card,
.tool-card {
    background: var(--surface-glass) !important;
    border: 1px solid rgba(255,255,255,0.09) !important;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(18px) saturate(145%);
    -webkit-backdrop-filter: blur(18px) saturate(145%);
}

.card:hover,
.settings-section:hover,
.favorite-card:hover,
.tool-card:hover,
.quick-action-card:hover,
.data-card:hover {
    border-color: rgba(74,222,128,0.26) !important;
    box-shadow: var(--shadow), 0 0 0 1px rgba(74,222,128,0.05);
}

input,
textarea,
select,
.input,
.ql-input,
.model-select {
    background: rgba(3, 7, 5, 0.55) !important;
    color: var(--text-primary) !important;
    border: 1px solid rgba(255,255,255,0.11) !important;
    border-radius: 12px !important;
}

input:focus,
textarea:focus,
select:focus,
.input:focus,
.ql-input:focus,
.model-select:focus {
    outline: none !important;
    border-color: rgba(74,222,128,0.62) !important;
    box-shadow: 0 0 0 4px rgba(74,222,128,0.12) !important;
}

.empty-state,
.activity-empty,
.ql-empty,
.files-empty,
.preview-placeholder,
.chat-welcome {
    background: linear-gradient(135deg, rgba(255,255,255,0.045), rgba(255,255,255,0.018));
    border: 1px dashed rgba(255,255,255,0.12);
    border-radius: 18px;
}