/**
 * Clash Hub — 按钮、表单、弹窗、YAML 预览、开关等可复用组件
 * 依赖 theme.css 变量；与 Tailwind 混用。
 */

/* --- 按钮 --- */
.btn {
    padding: .5rem 1rem;
    border-radius: .6rem;
    font-weight: 500;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, background .15s, opacity .15s;
    border: none;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

.btn:active {
    transform: translateY(0) scale(.98);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 1px 3px rgba(79, 70, 229, 0.1);
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.25);
}

.btn-danger {
    background: #ef4444;
    color: #fff;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-secondary {
    background: var(--muted);
    color: #fff;
}

.btn-secondary:hover {
    opacity: .9;
}

.btn-outline-danger {
    background: transparent;
    color: var(--danger);
    border: 2px solid var(--danger);
}

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

/**
 * 幽灵 / 线框按钮：同步、刷新等低频工具操作（不与「启用」抢绿色语义）
 */
.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    background: var(--nav-hover);
    border-color: var(--muted);
}

/**
 * 成功 / 启用：与主题主色蓝区分，用青绿系
 */
.btn-success {
    background: #0d9488;
    color: #fff;
}

.btn-success:hover {
    background: #0f766e;
}

:root[data-theme="dark"] .btn-success {
    background: #0f766e;
    color: #ecfdf5;
}

:root[data-theme="dark"] .btn-success:hover {
    background: #14b8a6;
    color: #042f2e;
}

/**
 * 主色线框：检测、测速、诊断类（与 primary 实心形成层次）
 */
.btn-outline-accent {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.btn-outline-accent:hover {
    background: rgba(59, 130, 246, 0.1);
}

:root[data-theme="dark"] .btn-outline-accent:hover {
    background: rgba(96, 165, 250, 0.14);
}

/**
 * 琥珀线框：禁用、停用（可逆，区别于删除的实心红）
 */
.btn-outline-warn {
    background: transparent;
    color: #b45309;
    border: 1px solid rgba(180, 83, 9, 0.5);
}

.btn-outline-warn:hover {
    background: rgba(245, 158, 11, 0.12);
}

:root[data-theme="dark"] .btn-outline-warn {
    color: #fcd34d;
    border-color: rgba(252, 211, 77, 0.45);
}

:root[data-theme="dark"] .btn-outline-warn:hover {
    background: rgba(251, 191, 36, 0.12);
}

.btn-sm {
    padding: .25rem .75rem;
    font-size: .875rem;
}

/* --- 表单 --- */
input:not([type=checkbox]):not([type=radio]):not([type=range]),
select,
textarea {
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: .5rem;
    padding: .65rem .875rem;
    color: var(--text);
    width: 100%;
    min-height: 2.75rem;
    line-height: 1.45;
    box-sizing: border-box;
}

textarea {
    min-height: 6rem;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, .25);
}

.form-check {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    cursor: pointer;
    user-select: none;
}

.form-check input[type=checkbox],
.form-check input[type=radio] {
    width: 1.05rem;
    height: 1.05rem;
    min-height: 0;
    flex-shrink: 0;
    margin: 0;
    accent-color: var(--accent);
}

.form-check span {
    white-space: nowrap;
    line-height: 1.4;
}

.progress-bar {
    height: .5rem;
    border-radius: .25rem;
    background: var(--border);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: .25rem;
    transition: width .35s ease;
}

/* --- 弹层与提示 --- */
.modal-bg {
    position: fixed;
    inset: 0;
    background: var(--modal-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
}

.tag {
    display: inline-block;
    padding: .125rem .5rem;
    border-radius: .25rem;
    font-size: .75rem;
    font-weight: 500;
}

.toast {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 100;
    padding: .75rem 1.25rem;
    border-radius: .5rem;
    font-weight: 500;
    animation: slidein .3s;
}

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

/* --- 订阅/节点行内开关 --- */
.sub-switch {
    position: relative;
    display: inline-block;
    width: 2.75rem;
    height: 1.5rem;
    flex-shrink: 0;
    vertical-align: middle;
}

.sub-switch input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    cursor: pointer;
    z-index: 2;
}

.sub-switch-slider {
    position: absolute;
    inset: 0;
    background: var(--muted);
    border-radius: 9999px;
    transition: background .25s ease;
    pointer-events: none;
    z-index: 1;
}

.sub-switch-slider::before {
    content: "";
    position: absolute;
    width: 1.125rem;
    height: 1.125rem;
    left: .1875rem;
    top: 50%;
    transform: translateY(-50%);
    background: #f1f5f9;
    border-radius: 9999px;
    transition: transform .25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, .2);
}

.sub-switch input:checked + .sub-switch-slider {
    background: #16a34a;
}

.sub-switch input:checked + .sub-switch-slider::before {
    transform: translate(1.25rem, -50%);
}

.sub-switch input:focus-visible + .sub-switch-slider {
    box-shadow: 0 0 0 2px var(--card), 0 0 0 4px var(--accent);
}

/* --- 首页订阅说明 Tab --- */
.home-tab {
    border-bottom: 2px solid transparent;
    color: var(--muted);
    padding: .5rem .75rem;
    cursor: pointer;
    transition: color .15s, border-color .15s;
}

.home-tab.active {
    color: #ea580c;
    border-bottom-color: #ea580c;
    font-weight: 600;
}

.client-row {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem 1rem;
    border-bottom: 1px solid var(--border);
}

.client-row:last-child {
    border-bottom: none;
}

/* --- 配置页预设行 --- */
.preset-row-config {
    cursor: pointer;
    border-radius: .5rem;
    border: 2px solid var(--border);
    padding: .75rem 1rem;
    margin-bottom: .5rem;
    transition: border-color .15s, box-shadow .15s;
}

.preset-row-config:hover {
    border-color: var(--accent);
}

.preset-row-config.is-active {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

/* --- YAML 预览（行号 + 高亮）--- */
.yaml-viewer {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    font-family: ui-monospace, monospace;
    font-size: .75rem;
    line-height: 1.5;
    min-height: min(50vh, 480px);
    flex: 1 1 auto;
    min-width: 0;
    background: var(--yaml-bg);
    color: var(--yaml-text);
    border-radius: .5rem;
    overflow: auto;
    border: 1px solid var(--border);
}

.yaml-gutter {
    flex: 0 0 auto;
    padding: .75rem .5rem .75rem .75rem;
    text-align: right;
    color: var(--yaml-gutter);
    user-select: none;
    border-right: 1px solid var(--border);
    white-space: pre;
    min-width: 2.5rem;
}

.yaml-code {
    flex: 1 1 auto;
    min-width: 0;
    margin: 0;
    padding: .75rem;
    overflow: auto;
    white-space: pre;
    color: var(--yaml-text);
    max-width: none;
    tab-size: 2;
    -moz-tab-size: 2;
}

.yaml-code code.language-yaml {
    display: block;
    font-family: inherit;
    font-size: inherit;
    color: var(--yaml-text);
    white-space: pre;
    background: transparent;
}

/* Prism YAML：映射到主题变量（不引入 Prism 默认 theme CSS） */
.yaml-viewer .token.comment {
    color: var(--yaml-comment);
}

.yaml-viewer .token.key,
.yaml-viewer .token.atrule {
    color: var(--yaml-k);
}

.yaml-viewer .token.string,
.yaml-viewer .token.scalar {
    color: var(--yaml-str);
}

.yaml-viewer .token.number,
.yaml-viewer .token.datetime,
.yaml-viewer .token.boolean,
.yaml-viewer .token.null {
    color: var(--yaml-num);
}

.yaml-viewer .token.directive {
    color: var(--yaml-str);
}

.yaml-viewer .token.tag {
    color: var(--yaml-p);
}

.yaml-viewer .token.punctuation {
    color: var(--yaml-p);
}

.yaml-k { color: var(--yaml-k); }
.yaml-p { color: var(--yaml-p); }
.yaml-str { color: var(--yaml-str); }
.yaml-num { color: var(--yaml-num); }
.yaml-comment { color: var(--yaml-comment); }

/* --- 预览 YAML / 可视化切换 --- */
.preview-toggle {
    display: inline-flex;
    border-radius: .5rem;
    overflow: hidden;
    border: 1px solid var(--border);
}

.preview-toggle button {
    padding: .35rem .75rem;
    font-size: .75rem;
    background: var(--input-bg);
    color: var(--muted);
    border: none;
    cursor: pointer;
}

.preview-toggle button.active {
    background: var(--accent);
    color: #fff;
}