/* SubMerge 配置页样式：纯 CSS，无构建步骤。视觉参考 chatgpt.com：中性灰阶、黑色主按钮、胶囊形控件 */

:root {
    color-scheme: light;
    --bg: #ffffff;
    --surface: #ffffff;       /* 面板 */
    --sidebar: #f9f9f9;       /* 右侧栏，同 ChatGPT 侧边栏 */
    --card: #f9f9f9;          /* 面板内的订阅卡片 */
    --field: #ffffff;         /* 输入框 */
    --hover: #f3f3f3;
    --track: #f0f0f0;         /* 分段控件底色 */
    --border: #ececec;
    --border-strong: #e0e0e0;
    --text: #0d0d0d;
    --text-2: #5d5d5d;
    --text-3: #737373;
    --primary: #0d0d0d;
    --primary-hover: #2f2f2f;
    --on-primary: #ffffff;
    --link: #0169cc;
    --info-soft: #e5f3ff;
    --info-text: #0169cc;
    --focus: rgba(13, 13, 13, 0.12);
    --ok: #00a240;
    --ok-text: #008635;
    --ok-soft: #e6f7ec;
    --danger: #e02e2a;
    --danger-text: #c42622;
    --danger-soft: #fdecec;
    --warn-text: #8a5a00;
    --warn-soft: #fff5e0;
    --shadow-field: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-composer: 0 4px 16px rgba(0, 0, 0, 0.05), 0 0 0 1px rgba(0, 0, 0, 0.06);
    --shadow-pop: 0 16px 48px rgba(0, 0, 0, 0.16), 0 0 0 1px rgba(0, 0, 0, 0.05);
    --shadow-seg: 0 1px 3px rgba(0, 0, 0, 0.1), 0 0 0 0.5px rgba(0, 0, 0, 0.06);
    --radius-panel: 24px;
    --radius-card: 18px;
    --radius-field: 14px;
    --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Helvetica, Arial, sans-serif;
    --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        color-scheme: dark;
        --bg: #212121;
        --surface: #212121;
        --sidebar: #181818;
        --card: #2a2a2a;
        --field: #303030;
        --hover: #2f2f2f;
        --track: #303030;
        --border: #333333;
        --border-strong: #424242;
        --text: #ececec;
        --text-2: #b4b4b4;
        --text-3: #9b9b9b;
        --primary: #ffffff;
        --primary-hover: #e0e0e0;
        --on-primary: #0d0d0d;
        --link: #48aaff;
        --info-soft: #0f2a44;
        --info-text: #7cc2ff;
        --focus: rgba(255, 255, 255, 0.16);
        --ok: #40c977;
        --ok-text: #5fd48e;
        --ok-soft: #143222;
        --danger: #ff6b66;
        --danger-text: #ff8a85;
        --danger-soft: #3a1f1f;
        --warn-text: #f2c265;
        --warn-soft: #362b14;
        --shadow-field: none;
        --shadow-composer: 0 0 0 1px rgba(255, 255, 255, 0.08);
        --shadow-pop: 0 16px 48px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.08);
        --shadow-seg: 0 1px 2px rgba(0, 0, 0, 0.4);
    }
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #212121;
    --surface: #212121;
    --sidebar: #181818;
    --card: #2a2a2a;
    --field: #303030;
    --hover: #2f2f2f;
    --track: #303030;
    --border: #333333;
    --border-strong: #424242;
    --text: #ececec;
    --text-2: #b4b4b4;
    --text-3: #9b9b9b;
    --primary: #ffffff;
    --primary-hover: #e0e0e0;
    --on-primary: #0d0d0d;
    --link: #48aaff;
    --info-soft: #0f2a44;
    --info-text: #7cc2ff;
    --focus: rgba(255, 255, 255, 0.16);
    --ok: #40c977;
    --ok-text: #5fd48e;
    --ok-soft: #143222;
    --danger: #ff6b66;
    --danger-text: #ff8a85;
    --danger-soft: #3a1f1f;
    --warn-text: #f2c265;
    --warn-soft: #362b14;
    --shadow-field: none;
    --shadow-composer: 0 0 0 1px rgba(255, 255, 255, 0.08);
    --shadow-pop: 0 16px 48px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.08);
    --shadow-seg: 0 1px 2px rgba(0, 0, 0, 0.4);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    padding-bottom: env(safe-area-inset-bottom);
}

h1, h2, h3 { margin: 0; line-height: 1.3; }
p { margin: 0; }
code {
    font-family: var(--mono);
    font-size: 0.88em;
    background: var(--hover);
    padding: 1px 6px;
    border-radius: 6px;
    word-break: break-all;
}
[hidden] { display: none !important; }

.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.skip-link {
    position: absolute;
    left: 12px; top: -48px;
    z-index: 100;
    padding: 8px 16px;
    background: var(--primary);
    color: var(--on-primary);
    border-radius: 999px;
}
.skip-link:focus { top: 12px; }

:focus-visible {
    outline: 2px solid var(--text);
    outline-offset: 2px;
}

.icon { width: 18px; height: 18px; flex-shrink: 0; }

.wrap {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 16px;
}

/* ---------- 顶栏 ---------- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: var(--bg);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}
.topbar.is-scrolled { border-bottom-color: var(--border); }
.topbar-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 12px;
    min-height: 56px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    text-decoration: none;
    min-width: 0;
    justify-self: start;
    padding: 6px 10px 6px 6px;
    margin-left: -6px;
    border-radius: 12px;
}
.brand:hover { background: var(--hover); }
.brand-mark {
    width: 28px; height: 28px;
    padding: 5px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--on-primary);
    flex-shrink: 0;
}
.brand-name { font-weight: 600; font-size: 17px; }
.brand-sub { color: var(--text-3); font-size: 13px; white-space: nowrap; }
.topbar-actions { display: flex; align-items: center; gap: 4px; justify-self: end; }

.mode-switch {
    display: inline-flex;
    padding: 3px;
    gap: 2px;
    border-radius: 999px;
    background: var(--track);
}
.mode-btn {
    min-width: 92px;
    min-height: 36px;
    padding: 6px 16px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--text-2);
    font: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.15s, color 0.15s;
}
.mode-btn:hover { color: var(--text); }
.mode-btn[aria-pressed="true"] {
    background: var(--surface);
    color: var(--text);
    box-shadow: var(--shadow-seg);
}
:root[data-theme="dark"] .mode-btn[aria-pressed="true"] { background: #424242; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .mode-btn[aria-pressed="true"] { background: #424242; }
}

.icon-sun { display: none; }
:root[data-theme="dark"] .icon-sun { display: block; }
:root[data-theme="dark"] .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .icon-sun { display: block; }
    :root:not([data-theme="light"]) .icon-moon { display: none; }
}

@media (max-width: 640px) {
    .brand-name, .brand-sub { display: none; }
    .mode-btn { min-width: 0; padding: 6px 14px; }
}

/* ---------- 布局 ---------- */
.layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 28px;
    align-items: start;
    padding-top: 36px;
    padding-bottom: 40px;
}
.main-col, .side-col { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
#mergeForm { display: flex; flex-direction: column; gap: 20px; }

@media (max-width: 1023px) {
    .layout { grid-template-columns: minmax(0, 1fr); max-width: 760px; gap: 20px; padding-top: 24px; }
}

/* ---------- 介绍 ---------- */
.intro { padding: 0 4px; }
.intro h1 {
    font-size: clamp(24px, 3.2vw, 30px);
    font-weight: 600;
    letter-spacing: -0.01em;
    text-wrap: balance;
}
.lead { margin-top: 10px; color: var(--text-2); max-width: 60ch; }
.howto {
    list-style: none;
    padding: 0;
    margin: 20px 0 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.howto li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 12px;
    margin: 0 -12px;
    border-radius: 12px;
    color: var(--text-2);
    font-size: 14.5px;
}
.howto strong { color: var(--text); font-weight: 600; margin-right: 8px; }
.howto-icon { width: 20px; height: 20px; flex-shrink: 0; color: var(--text-3); }
@media (max-width: 640px) {
    .howto li { align-items: flex-start; font-size: 14px; }
    .howto strong { display: block; margin: 0; }
    .howto-icon { margin-top: 2px; }
}

.edit-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px 14px 20px;
    background: var(--sidebar);
    border-radius: var(--radius-card);
    font-size: 14px;
}
.edit-banner strong { display: block; font-weight: 600; }
.edit-banner span { color: var(--text-2); }
@media (max-width: 640px) {
    .edit-banner { flex-direction: column; align-items: stretch; }
}

/* ---------- 面板 ---------- */
.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-panel);
    padding: 22px 22px 24px;
}
.panel:focus { outline: none; }
.panel, input, .drop { scroll-margin-top: 76px; }
.panel-head {
    display: flex;
    gap: 12px;
    margin-bottom: 18px;
}
.panel-head h2 { font-size: 17px; font-weight: 600; }
.panel-head p { color: var(--text-3); font-size: 13.5px; margin-top: 3px; }
.step-no {
    flex-shrink: 0;
    width: 26px; height: 26px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 13px;
    font-weight: 600;
    background: transparent;
    color: var(--text);
    box-shadow: inset 0 0 0 1px var(--border-strong);
    margin-top: -1px;
}
@media (max-width: 640px) {
    .panel { padding: 18px 16px 20px; border-radius: 20px; }
}

/* ---------- 表单元素 ---------- */
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field > label, .label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-2);
}
.label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
}
input[type="text"], input[type="url"], select {
    width: 100%;
    min-height: 44px;
    padding: 9px 14px;
    font: inherit;
    font-size: 15px;
    color: var(--text);
    background: var(--field);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-field);
    box-shadow: var(--shadow-field);
    transition: border-color 0.15s, box-shadow 0.15s;
}
input::placeholder { color: var(--text-3); opacity: 0.9; }
input[type="text"]:hover, input[type="url"]:hover, select:hover { border-color: var(--text-3); }
input[type="text"]:focus, input[type="url"]:focus, select:focus {
    outline: none;
    border-color: var(--text);
    box-shadow: 0 0 0 3px var(--focus);
}
input[aria-invalid="true"] { border-color: var(--danger); }
input[aria-invalid="true"]:focus { box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 25%, transparent); }
.sub-url { font-family: var(--mono); font-size: 13.5px; }
select {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 38px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238f8f8f' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    cursor: pointer;
}
.hint { font-size: 13px; color: var(--text-3); line-height: 1.55; }
.field-error {
    font-size: 13px;
    color: var(--danger-text);
    display: flex;
    gap: 6px;
    align-items: flex-start;
}
.field-error::before { content: "!"; font-weight: 700; flex-shrink: 0; width: 1ch; text-align: center; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    padding: 8px 18px;
    font: inherit;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.2;
    border-radius: 999px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 0.15s, border-color 0.15s, color 0.15s, opacity 0.15s;
    -webkit-tap-highlight-color: transparent;
}
.btn:disabled { cursor: progress; opacity: 0.6; }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--hover); }
.btn-sm { min-height: 36px; padding: 6px 14px; font-size: 13.5px; }
.btn-lg { min-height: 48px; padding: 10px 28px; font-size: 15px; }
.btn-dashed {
    width: 100%;
    min-height: 48px;
    margin-top: 10px;
    justify-content: flex-start;
    padding: 10px 16px;
    border-radius: 14px;
    background: transparent;
    color: var(--text);
    font-weight: 500;
}
.btn-dashed:hover { background: var(--hover); }
.btn-dashed .icon {
    width: 26px; height: 26px;
    padding: 5px;
    border-radius: 50%;
    border: 1px solid var(--border-strong);
}
.link-btn {
    background: none;
    border: 0;
    padding: 0;
    margin-left: 4px;
    font: inherit;
    color: var(--link);
    text-decoration: none;
    cursor: pointer;
}
.link-btn:hover { text-decoration: underline; text-underline-offset: 2px; }
.icon-btn {
    display: inline-grid;
    place-items: center;
    width: 40px; height: 40px;
    border-radius: 10px;
    background: transparent;
    border: 0;
    color: var(--text-2);
    cursor: pointer;
    flex-shrink: 0;
}
.icon-btn:hover { background: var(--hover); color: var(--text); }
.icon-btn-danger:hover { background: var(--danger-soft); color: var(--danger-text); }
.icon-btn:disabled { opacity: 0.35; cursor: not-allowed; background: transparent; color: var(--text-3); }
@media (pointer: coarse) {
    .icon-btn { width: 44px; height: 44px; }
    .mode-btn { min-height: 38px; }
}

.spinner {
    display: none;
    width: 16px; height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
.is-busy .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 订阅卡片 ---------- */
.sub-list { display: flex; flex-direction: column; gap: 12px; }
.sub-list:focus { outline: none; }
.sub-card {
    border-radius: var(--radius-card);
    background: var(--card);
    padding: 14px 16px 16px;
}
.sub-card.is-new { animation: card-in 0.2s ease-out; }
@keyframes card-in { from { opacity: 0; transform: translateY(4px); } }
.sub-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: -4px -8px 10px 0;
}
.sub-index {
    flex-shrink: 0;
    min-width: 24px; height: 24px;
    padding: 0 7px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-2);
    background: var(--surface);
    box-shadow: 0 0 0 1px var(--border-strong);
}
.sub-title {
    font-size: 15px;
    font-weight: 600;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sub-title.is-placeholder { color: var(--text-3); font-weight: 500; }
.badges { display: flex; gap: 6px; flex-wrap: wrap; }
.sub-remove { margin-left: auto; }
@media (max-width: 480px) {
    .sub-head { flex-wrap: wrap; row-gap: 4px; }
    .badges { order: 5; flex-basis: 100%; }
}
.badge {
    font-size: 12px;
    font-weight: 500;
    padding: 2px 10px;
    border-radius: 999px;
    white-space: nowrap;
    color: var(--text);
    background: var(--surface);
    box-shadow: 0 0 0 1px var(--border-strong);
}
.badge-traffic { color: var(--info-text); background: var(--info-soft); box-shadow: none; }

.sub-fields {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 12px 14px;
    align-items: start;
}
.field-source .label-row { min-height: 19.5px; }
@media (max-width: 640px) {
    .sub-fields { grid-template-columns: 1fr; }
}

.seg {
    display: inline-flex;
    padding: 2px;
    gap: 2px;
    border-radius: 999px;
    background: var(--track);
    margin: -7px 0 -5px;
}
:root[data-theme="dark"] .seg { background: #1c1c1c; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .seg { background: #1c1c1c; }
}
.seg label { position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg span {
    display: block;
    padding: 4px 12px;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-2);
    border-radius: 999px;
    white-space: nowrap;
    transition: background-color 0.15s, color 0.15s;
}
.seg input:checked + span {
    background: var(--field);
    color: var(--text);
    box-shadow: var(--shadow-seg);
}
.seg input:focus-visible + span { outline: 2px solid var(--text); outline-offset: 1px; }
@media (pointer: coarse) {
    .seg span { padding: 8px 14px; }
    .seg { margin: 0; }
}

.drop {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 16px 12px;
    min-height: 44px;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-field);
    background: var(--field);
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s, background-color 0.15s;
}
.drop:hover, .drop.is-over { border-color: var(--text-3); background: var(--hover); }
.drop:focus-within { border-color: var(--text); box-shadow: 0 0 0 3px var(--focus); }
.drop.has-file { border-style: solid; border-color: color-mix(in srgb, var(--ok) 45%, var(--border)); background: var(--ok-soft); }
.drop.has-file .drop-icon { color: var(--ok-text); }
.drop.is-invalid { border-color: var(--danger); }
.drop-icon { color: var(--text-3); width: 20px; height: 20px; }
.drop-text { font-size: 14px; font-weight: 500; word-break: break-all; }
.drop-hint { font-size: 12.5px; color: var(--text-3); }

.sub-opts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 16px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
@media (max-width: 640px) {
    .sub-opts { grid-template-columns: 1fr; }
}
.check {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    cursor: pointer;
    padding: 4px 0;
}
.check input {
    appearance: none;
    -webkit-appearance: none;
    flex-shrink: 0;
    width: 20px; height: 20px;
    margin: 1px 0 0;
    border: 1.5px solid var(--border-strong);
    border-radius: 6px;
    background: var(--field) center / 14px no-repeat;
    cursor: pointer;
    transition: background-color 0.15s, border-color 0.15s;
}
.check input:hover { border-color: var(--text-3); }
.check input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5 10 17 19 7.5'/%3E%3C/svg%3E");
}
:root[data-theme="dark"] .check input:checked {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230d0d0d' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5 10 17 19 7.5'/%3E%3C/svg%3E");
}
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .check input:checked {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230d0d0d' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5 10 17 19 7.5'/%3E%3C/svg%3E");
    }
}
.check input:focus-visible { outline: 2px solid var(--text); outline-offset: 2px; }
.check-text strong { display: block; font-size: 14px; font-weight: 500; }
.check-text small { display: block; font-size: 12.5px; color: var(--text-3); line-height: 1.5; }

.settings-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 20px;
}
@media (max-width: 640px) {
    .settings-grid { grid-template-columns: 1fr; }
}

/* ---------- 操作栏 ---------- */
.action-bar {
    position: sticky;
    bottom: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 16px;
    padding: 14px 0 calc(14px + env(safe-area-inset-bottom));
    margin-bottom: calc(-14px - env(safe-area-inset-bottom));
    background: linear-gradient(to bottom, transparent, var(--bg) 18px);
}
.action-status { font-size: 13.5px; color: var(--text-3); margin-right: auto; padding-left: 4px; }
.action-status.is-dirty { color: var(--warn-text); font-weight: 500; }
@media (max-width: 640px) {
    .action-bar .btn { flex: 1; }
    .action-status { flex: 1 1 100%; }
    .action-bar { flex-wrap: wrap; gap: 6px 12px; }
    .action-status:empty { display: none; }
}

/* ---------- 右侧栏 ---------- */
.side-col .panel {
    background: var(--sidebar);
    border-color: transparent;
}
.link-list { display: flex; flex-direction: column; gap: 10px; }
.link-item {
    border-radius: var(--radius-card);
    padding: 14px 16px;
    background: var(--surface);
    box-shadow: 0 0 0 1px var(--border);
}
:root[data-theme="dark"] .link-item { background: var(--card); box-shadow: none; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .link-item { background: var(--card); box-shadow: none; }
}
.link-title { display: flex; align-items: center; gap: 8px; }
.link-title strong { font-size: 14.5px; font-weight: 600; }
.tag {
    font-size: 11.5px;
    font-weight: 600;
    padding: 1px 8px;
    border-radius: 999px;
    color: var(--text);
    background: var(--hover);
}
.link-item[data-kind="v2"] .tag { background: var(--primary); color: var(--on-primary); }
.link-desc { font-size: 13px; color: var(--text-3); margin-top: 6px; line-height: 1.55; }
.link-actions { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.link-url {
    font-family: var(--mono);
    font-size: 12.5px !important;
    min-height: 40px !important;
    border-radius: 999px !important;
    padding: 8px 16px !important;
    background: var(--sidebar) !important;
    color: var(--text-2) !important;
    box-shadow: none !important;
}
:root[data-theme="dark"] .link-url { background: var(--field) !important; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .link-url { background: var(--field) !important; }
}
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-row .btn { flex: 1; }

.token-box {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}
.token-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.token-label { font-size: 13px; font-weight: 500; color: var(--text-2); }
.token-row code { flex: 1; min-width: 0; padding: 6px 10px; font-size: 12.5px; border-radius: 10px; background: var(--surface); box-shadow: 0 0 0 1px var(--border); }

.check-box { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.check-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
.check-head h3 { font-size: 14px; font-weight: 600; }
.check-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.check-item {
    display: grid;
    grid-template-columns: 18px minmax(0, 1fr) auto;
    gap: 2px 10px;
    align-items: start;
    padding: 10px 12px;
    border-radius: 14px;
    background: var(--surface);
    font-size: 13.5px;
}
:root[data-theme="dark"] .check-item { background: var(--card); }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .check-item { background: var(--card); }
}
.check-dot {
    width: 18px; height: 18px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 11px;
    font-weight: 700;
    margin-top: 1px;
}
.check-item.is-ok .check-dot { background: var(--ok-soft); color: var(--ok-text); }
.check-item.is-fail { background: var(--danger-soft) !important; }
.check-item.is-fail .check-dot { background: var(--danger); color: #fff; }
.check-item.is-pending .check-dot { border: 2px solid var(--text-3); border-right-color: transparent; animation: spin 0.8s linear infinite; }
.check-name { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.check-meta { font-size: 12.5px; color: var(--text-3); grid-column: 2 / 4; }
.check-item.is-fail .check-meta { color: var(--danger-text); }
.check-count { font-variant-numeric: tabular-nums; color: var(--text-2); font-weight: 500; white-space: nowrap; }
.check-note {
    font-size: 13px;
    padding: 10px 12px;
    border-radius: 14px;
    background: var(--warn-soft);
    color: var(--warn-text);
}

/* ---------- FAQ ---------- */
.faq { padding: 10px 14px; }
.faq-title { font-size: 13px; font-weight: 500; color: var(--text-3); padding: 8px 8px 4px; }
.faq details { border-radius: 12px; }
.faq summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-height: 44px;
    padding: 8px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 400;
    cursor: pointer;
}
.faq summary:hover { background: var(--hover); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: "";
    width: 7px; height: 7px;
    flex-shrink: 0;
    margin-right: 4px;
    border-right: 1.5px solid var(--text-3);
    border-bottom: 1.5px solid var(--text-3);
    transform: rotate(45deg) translateY(-2px);
    transition: transform 0.15s;
}
.faq details[open] summary { font-weight: 500; }
.faq details[open] summary::after { transform: rotate(-135deg) translateY(-2px); }
.faq details p { font-size: 13.5px; color: var(--text-2); padding: 2px 8px 12px; }

.footer {
    padding-top: 8px;
    padding-bottom: 28px;
    font-size: 12.5px;
    color: var(--text-3);
    text-align: center;
}

/* ---------- 对话框 ---------- */
.dialog {
    width: min(480px, calc(100vw - 32px));
    padding: 0;
    border: 0;
    border-radius: 24px;
    background: var(--surface);
    color: var(--text);
    box-shadow: var(--shadow-pop);
}
:root[data-theme="dark"] .dialog { background: #2f2f2f; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .dialog { background: #2f2f2f; }
}
.dialog::backdrop { background: rgba(0, 0, 0, 0.4); }
.dialog-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 16px; }
.dialog-head { display: flex; align-items: center; justify-content: space-between; margin: -6px -10px -4px 0; }
.dialog-head h2 { font-size: 18px; font-weight: 600; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; }
.recent { border-top: 1px solid var(--border); padding-top: 14px; }
.recent h3 { font-size: 13px; font-weight: 500; color: var(--text-3); margin: 0 0 6px 10px; }
.recent ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.recent li { display: flex; align-items: center; gap: 4px; }
.recent-open {
    flex: 1;
    min-width: 0;
    min-height: 44px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 6px 10px;
    border: 0;
    border-radius: 12px;
    background: transparent;
    color: var(--text);
    font: inherit;
    text-align: left;
    cursor: pointer;
}
.recent-open:hover { background: var(--hover); }
.recent-open strong { font-size: 14px; font-weight: 400; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.recent-open span { font-size: 12px; color: var(--text-3); font-family: var(--mono); }

/* ---------- 提示 ---------- */
.toasts {
    position: fixed;
    left: 50%;
    top: 68px;
    transform: translateX(-50%);
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: max-content;
    max-width: calc(100vw - 32px);
    pointer-events: none;
}
.toast {
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    background: var(--primary);
    color: var(--on-primary);
    box-shadow: var(--shadow-pop);
    animation: toast-in 0.18s ease-out;
}
.toast-error { background: #c42622; color: #fff; }
.toast.is-leaving { opacity: 0; transition: opacity 0.2s; }
@keyframes toast-in { from { opacity: 0; transform: translateY(-6px); } }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .spinner, .check-item.is-pending .check-dot { animation-duration: 1.5s !important; animation-iteration-count: infinite !important; }
}