/* Prompt Generator — 全局样式 */

/* 暗色主题变量 */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --success-color: #22c55e;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --radius: 8px;
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #334155;
    --accent-color: #60a5fa;
    --accent-hover: #3b82f6;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 导航栏 */
.navbar {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

/* 主内容区 */
.main-content {
    flex: 1;
    overflow: hidden;
}

.nav-brand {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-tabs {
    display: flex;
    gap: 4px;
}

.nav-tab {
    padding: 8px 16px;
    border-radius: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s;
    cursor: pointer;
}

.nav-tab:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-tab.active {
    background: var(--accent-color);
    color: white;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.15s;
    white-space: nowrap;
}

.btn:hover {
    background: var(--bg-tertiary);
}

.btn-primary {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

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

.btn-danger {
    background: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

.btn-danger:hover {
    opacity: 0.9;
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 输入框 */
.input, .textarea, .select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
    width: 100%;
    transition: border-color 0.15s;
}

.input:focus, .textarea:focus, .select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

/* 卡片 */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body {
    padding: 16px;
}

/* 复选框和单选框 */
.checkbox-group, .radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checkbox-label, .radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
}

.checkbox-label input, .radio-label input {
    accent-color: var(--accent-color);
    width: 16px;
    height: 16px;
}

/* 可折叠区域 */
.collapse-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    cursor: pointer;
    user-select: none;
    border-radius: 6px;
    transition: background 0.15s;
}

.collapse-header:hover {
    background: var(--bg-tertiary);
}

.collapse-arrow {
    transition: transform 0.2s;
    font-size: 12px;
    color: var(--text-muted);
}

.collapse-header.open .collapse-arrow {
    transform: rotate(90deg);
}

.collapse-content {
    display: none;
    padding: 8px 12px 8px 32px;
}

.collapse-content.open {
    display: block;
}

/* 标签 */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.tag-system {
    background: #dbeafe;
    color: #1d4ed8;
}

.tag-personal {
    background: #dcfce7;
    color: #15803d;
}

[data-theme="dark"] .tag-system {
    background: #1e3a5f;
    color: #93c5fd;
}

[data-theme="dark"] .tag-personal {
    background: #14532d;
    color: #86efac;
}

/* 加载状态 */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* 消息提示 */
.toast {
    position: fixed;
    top: 72px;
    right: 24px;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 1000;
    animation: slideIn 0.3s ease;
    box-shadow: var(--shadow-md);
}

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

.toast-error {
    background: var(--danger-color);
    color: white;
}

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

/* 模态框 */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.modal {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 480px;
    padding: 24px;
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

/* 分页 */
.pagination {
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    padding: 16px 0;
}

/* 搜索框 */
.search-box {
    position: relative;
}

.search-box .input {
    padding-left: 36px;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
}

/* 工具类 */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.p-4 { padding: 16px; }
.p-6 { padding: 24px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 12px; }
.text-muted { color: var(--text-muted); }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }
.w-full { width: 100%; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hidden { display: none !important; }

.selected-session {
    background: var(--bg-tertiary) !important;
    border-left: 3px solid var(--accent-color);
}