/* ===== 主题过渡动画 ===== */
* {
  transition: background-color 0.3s ease,
              color 0.3s ease,
              border-color 0.3s ease,
              box-shadow 0.3s ease;
}/* HoloLake StyleKit v1.0 · 系统风格组件库 */
/* CSS变量系统 + 深色/浅色主题 */

/* ====== 深色主题变量（默认） ====== */
[data-theme="dark"] {
    --bg-primary: #0a1628;
    --bg-secondary: #0f1f3a;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --bg-input: rgba(255, 255, 255, 0.06);
    --bg-modal-overlay: rgba(0, 0, 0, 0.6);
    --text-primary: #e0e6ed;
    --text-secondary: #8899aa;
    --text-muted: #556677;
    --text-inverse: #0a1628;
    --border-default: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(79, 195, 247, 0.5);
    --accent-blue: #4fc3f7;
    --accent-green: #81c784;
    --accent-orange: #ffb74d;
    --accent-red: #ef5350;
    --accent-purple: #ce93d8;
    --accent-gray: #78909c;
    --btn-primary-bg: rgba(79, 195, 247, 0.15);
    --btn-primary-border: rgba(79, 195, 247, 0.3);
    --btn-primary-text: #4fc3f7;
    --btn-primary-hover: rgba(79, 195, 247, 0.25);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-modal: 0 8px 32px rgba(0, 0, 0, 0.5);
    --toggle-bg: rgba(255, 255, 255, 0.1);
    --toggle-active: rgba(79, 195, 247, 0.4);
    --toggle-thumb: #e0e6ed;
    --toggle-thumb-active: #4fc3f7;
}

/* ====== 浅色主题变量 ====== */
[data-theme="light"] {
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-card: rgba(0, 0, 0, 0.03);
    --bg-card-hover: rgba(0, 0, 0, 0.06);
    --bg-input: rgba(0, 0, 0, 0.04);
    --bg-modal-overlay: rgba(0, 0, 0, 0.3);
    --text-primary: #1a2332;
    --text-secondary: #5a6a7a;
    --text-muted: #8899aa;
    --text-inverse: #ffffff;
    --border-default: rgba(0, 0, 0, 0.1);
    --border-focus: rgba(25, 118, 210, 0.5);
    --accent-blue: #1976d2;
    --accent-green: #388e3c;
    --accent-orange: #f57c00;
    --accent-red: #d32f2f;
    --accent-purple: #7b1fa2;
    --accent-gray: #546e7a;
    --btn-primary-bg: rgba(25, 118, 210, 0.1);
    --btn-primary-border: rgba(25, 118, 210, 0.3);
    --btn-primary-text: #1976d2;
    --btn-primary-hover: rgba(25, 118, 210, 0.18);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-modal: 0 8px 32px rgba(0, 0, 0, 0.15);
    --toggle-bg: rgba(0, 0, 0, 0.1);
    --toggle-active: rgba(25, 118, 210, 0.4);
    --toggle-thumb: #5a6a7a;
    --toggle-thumb-active: #1976d2;
}

/* ========== 全局基础 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    transition: background 0.4s ease, color 0.4s ease;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== 顶部导航 ========== */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-default);
}

.logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-blue);
}

.theme-switch-area {
    display: flex;
    align-items: center;
    gap: 10px;
}

.theme-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.theme-toggle {
    position: relative;
    width: 48px;
    height: 26px;
    background: var(--toggle-bg);
    border-radius: 13px;
    border: none;
    cursor: pointer;
    transition: background 0.3s ease;
    padding: 0;
}

.theme-toggle.active {
    background: var(--toggle-active);
}

.toggle-thumb {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--toggle-thumb);
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: transform 0.3s ease, background 0.3s ease;
}

.theme-toggle.active .toggle-thumb {
    transform: translateX(22px);
    background: var(--toggle-thumb-active);
}

/* ========== 页面标题 ========== */
.page-header {
    padding: 28px 0 8px;
}

.page-header h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 6px;
}

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

/* ========== 组件区域 ========== */
.component-section {
    padding: 24px 0;
    border-bottom: 1px solid var(--border-default);
}

.component-section h2 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.component-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
}

/* ========== 按钮组件 ========== */
.btn {
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.btn:active {
    transform: scale(0.97);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--btn-primary-hover);
}

.btn-secondary {
    background: rgba(129, 199, 132, 0.1);
    border-color: rgba(129, 199, 132, 0.25);
    color: var(--accent-green);
}

.btn-secondary:hover {
    background: rgba(129, 199, 132, 0.18);
}

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

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

.btn-danger {
    background: rgba(239, 83, 80, 0.1);
    border-color: rgba(239, 83, 80, 0.25);
    color: var(--accent-red);
}

.btn-danger:hover {
    background: rgba(239, 83, 80, 0.18);
}

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

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

.btn-sm {
    padding: 5px 14px;
    font-size: 12px;
    border-radius: 6px;
}

.btn-lg {
    padding: 12px 28px;
    font-size: 16px;
    border-radius: 10px;
}

/* ========== 卡片组件 ========== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: 14px;
    padding: 20px 16px;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
    position: relative;
}

.card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.card-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
}

.card-desc {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.card-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 6px;
    font-weight: 600;
}

.badge-online {
    background: rgba(129, 199, 132, 0.15);
    color: var(--accent-green);
}

.badge-core {
    background: rgba(79, 195, 247, 0.15);
    color: var(--accent-blue);
}

.badge-active {
    background: rgba(255, 183, 77, 0.15);
    color: var(--accent-orange);
}

/* ========== 标签组件 ========== */
.tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
}

.tag-blue {
    background: rgba(79, 195, 247, 0.12);
    color: var(--accent-blue);
}

.tag-green {
    background: rgba(129, 199, 132, 0.12);
    color: var(--accent-green);
}

.tag-orange {
    background: rgba(255, 183, 77, 0.12);
    color: var(--accent-orange);
}

.tag-red {
    background: rgba(239, 83, 80, 0.12);
    color: var(--accent-red);
}

.tag-purple {
    background: rgba(206, 147, 216, 0.12);
    color: var(--accent-purple);
}

.tag-gray {
    background: rgba(120, 144, 156, 0.12);
    color: var(--accent-gray);
}

/* ========== 输入框组件 ========== */
.input-group {
    margin-bottom: 16px;
}

.input-label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
    font-family: inherit;
}

.input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(79, 195, 247, 0.1);
}

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

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

/* ========== 弹窗组件 ========== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-modal-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: 16px;
    width: 90%;
    max-width: 420px;
    box-shadow: var(--shadow-modal);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.open .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-default);
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 22px;
    cursor: pointer;
    padding: 0 4px;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 20px;
    border-top: 1px solid var(--border-default);
}

/* ========== Toast提示 ========== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    animation: toastIn 0.4s ease, toastOut 0.4s ease 2.5s forwards;
    box-shadow: var(--shadow-card);
}

.toast-success {
    background: rgba(129, 199, 132, 0.15);
    border: 1px solid rgba(129, 199, 132, 0.25);
    color: var(--accent-green);
}

.toast-error {
    background: rgba(239, 83, 80, 0.15);
    border: 1px solid rgba(239, 83, 80, 0.25);
    color: var(--accent-red);
}

.toast-info {
    background: rgba(79, 195, 247, 0.15);
    border: 1px solid rgba(79, 195, 247, 0.25);
    color: var(--accent-blue);
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(40px); }
}

/* ========== 底部 ========== */
.footer {
    padding: 28px 0;
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-default);
    margin-top: 20px;
}

.footer p:last-child {
    margin-top: 4px;
    color: var(--accent-blue);
    opacity: 0.5;
}

/* ========== 主题切换过渡动画 ========== */
body,
.card, .btn, .input, .tag, .modal, .top-bar, .footer,
.component-section, .page-header {
    transition: background 0.4s ease, color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

/* ========== 响应式 ========== */
@media (max-width: 600px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
    .page-header h1 {
        font-size: 20px;
    }
    .component-row {
        flex-direction: column;
    }
    .btn {
        width: 100%;
        text-align: center;
    }
    .modal {
        width: 95%;
    }
}