/*!
 * Shibuya OS — Os.css
 * OS 外壳：壁纸光景 / 开机动画 / 桌面图标 / 任务栏 / 开始菜单 / 托盘飞出层 /
 * 级联菜单 / 窗口系统(拖拽·缩放·贴边·动画) / 通知。
 */

/* =========================================================
   壁纸与光景
   ========================================================= */
.sb-stage {
    position: fixed;
    inset: 0;
    overflow: hidden;
    z-index: 0;
    background: #9db8e8;
}
:root[data-theme="dark"] .sb-stage { background: #0b1024; }

.sb-wall {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.02);
}

/* 内置光景 —— 白天：晴空玻璃晨光 */
.sb-scene { position: absolute; inset: 0; }
.sb-scene::before,
.sb-scene::after,
.sb-scene .sb-scene__a,
.sb-scene .sb-scene__b,
.sb-scene .sb-scene__c { position: absolute; content: ""; display: block; }

:root[data-theme="light"] .sb-scene {
    background:
        radial-gradient(120% 90% at 82% -10%, rgba(255, 244, 214, .9) 0%, rgba(255, 244, 214, 0) 46%),
        radial-gradient(140% 110% at 12% 118%, rgba(150, 208, 255, .8) 0%, rgba(150, 208, 255, 0) 58%),
        linear-gradient(168deg, #b7d3fb 0%, #cfd8fd 34%, #e8d9f8 66%, #f7e3ef 100%);
}
:root[data-theme="light"] .sb-scene::before {
    inset: auto -12% -34% -12%;
    height: 68%;
    background:
        radial-gradient(58% 88% at 26% 100%, rgba(122, 158, 233, .5) 0%, rgba(122, 158, 233, 0) 70%),
        radial-gradient(64% 96% at 74% 100%, rgba(178, 146, 235, .44) 0%, rgba(178, 146, 235, 0) 72%);
    filter: blur(6px);
}
:root[data-theme="light"] .sb-scene::after {
    top: 6%; right: 10%;
    width: 34vmin; height: 34vmin;
    background: radial-gradient(circle at 38% 34%, rgba(255, 255, 255, .95) 0%, rgba(255, 250, 230, .35) 42%, rgba(255, 250, 230, 0) 70%);
    filter: blur(2px);
}
/* 光景斑块恒静态：常驻动画 + 大半径模糊会持续吃 GPU，把桌面拖卡 */
.sb-scene .sb-scene__a,
.sb-scene .sb-scene__b {
    width: 46vmin; height: 46vmin;
    border-radius: 46%;
    filter: blur(46px);
    opacity: .55;
}
:root[data-theme="light"] .sb-scene .sb-scene__a { left: 6%; top: 42%; background: rgba(140, 190, 255, .55); transform: translate3d(2%, -1%, 0); }
:root[data-theme="light"] .sb-scene .sb-scene__b { right: 4%; top: 30%; background: rgba(220, 170, 250, .45); transform: translate3d(-2%, 2%, 0) scale(1.06); }

/* 内置光景 —— 黑夜：涩谷霓虹之夜 */
:root[data-theme="dark"] .sb-scene {
    background:
        radial-gradient(90% 60% at 50% 118%, rgba(255, 70, 160, .34) 0%, rgba(255, 70, 160, 0) 60%),
        radial-gradient(70% 52% at 18% 112%, rgba(64, 160, 255, .32) 0%, rgba(64, 160, 255, 0) 62%),
        radial-gradient(64% 48% at 86% 108%, rgba(150, 90, 255, .3) 0%, rgba(150, 90, 255, 0) 60%),
        linear-gradient(172deg, #070b1c 0%, #0c1230 46%, #171243 78%, #23124a 100%);
}
:root[data-theme="dark"] .sb-scene::before {
    inset: 0;
    background-image:
        radial-gradient(1.4px 1.4px at 22% 24%, rgba(255,255,255,.85) 50%, transparent 51%),
        radial-gradient(1px 1px at 64% 12%, rgba(255,255,255,.7) 50%, transparent 51%),
        radial-gradient(1.2px 1.2px at 82% 34%, rgba(255,255,255,.6) 50%, transparent 51%),
        radial-gradient(1px 1px at 38% 8%, rgba(255,255,255,.6) 50%, transparent 51%),
        radial-gradient(1.6px 1.6px at 90% 14%, rgba(255,255,255,.75) 50%, transparent 51%),
        radial-gradient(1px 1px at 10% 12%, rgba(255,255,255,.55) 50%, transparent 51%),
        radial-gradient(1.2px 1.2px at 50% 28%, rgba(255,255,255,.5) 50%, transparent 51%),
        radial-gradient(1px 1px at 74% 44%, rgba(255,255,255,.42) 50%, transparent 51%);
    opacity: .85;
}
:root[data-theme="dark"] .sb-scene::after {
    top: 8%; right: 14%;
    width: 16vmin; height: 16vmin;
    border-radius: 50%;
    background: radial-gradient(circle at 42% 38%, #fdfbf1 0%, #e8e6da 58%, rgba(232, 230, 218, 0) 60%);
    box-shadow: 0 0 60px 18px rgba(240, 238, 220, .18);
    opacity: .9;
}
:root[data-theme="dark"] .sb-scene .sb-scene__a { left: 8%; top: 46%; width: 44vmin; height: 44vmin; border-radius: 46%; filter: blur(56px); opacity: .5; background: rgba(255, 60, 150, .3); transform: translate3d(2%, -2%, 0); }
:root[data-theme="dark"] .sb-scene .sb-scene__b { right: 6%; top: 36%; width: 40vmin; height: 40vmin; border-radius: 46%; filter: blur(56px); opacity: .5; background: rgba(70, 140, 255, .3); transform: translate3d(-1%, 1%, 0) scale(1.05); }

.sb-tint { position: absolute; inset: 0; background: var(--sb-desktop-tint); pointer-events: none; }

@keyframes sb-twinkle { from { opacity: .55; } to { opacity: 1; } }

/* =========================================================
   开机动画
   ========================================================= */
.sb-boot {
    position: fixed;
    inset: 0;
    z-index: var(--sb-z-boot);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 34px;
    background: #05070f;
    color: #eef2fb;
    transition: opacity .5s var(--sb-ease), visibility .5s;
}
.sb-boot.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.sb-boot__mark {
    font-size: 46px;
    font-weight: 700;
    letter-spacing: .35em;
    text-indent: .35em;
    background: linear-gradient(120deg, var(--sb-accent) 10%, var(--sb-accent-2) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    filter: drop-shadow(0 0 26px rgba(var(--sb-accent-rgb), .5));
    animation: sb-boot-in 1s var(--sb-out) both;
}
.sb-boot__mark small { display: block; font-size: 12px; font-weight: 500; letter-spacing: .6em; text-indent: .6em; margin-top: 10px; color: rgba(238, 242, 251, .5); -webkit-text-fill-color: rgba(238, 242, 251, .5); filter: none; }
.sb-boot__ring {
    width: 34px; height: 34px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, .14);
    border-top-color: var(--sb-accent);
    animation: sb-spin .9s linear infinite;
}
@keyframes sb-boot-in { from { opacity: 0; transform: translateY(14px) scale(.96); } to { opacity: 1; transform: none; } }
@keyframes sb-spin { to { transform: rotate(360deg); } }

/* =========================================================
   桌面布局
   ========================================================= */
body[data-sb-shell] { --sb-taskbar-space: 96px; }
body.sb-embed { --sb-taskbar-space: 0px; }
.sb-os {
    position: fixed;
    inset: 0;
    overflow: hidden;
    user-select: none;
}
.sb-desktop {
    position: absolute;
    inset: 0 0 var(--sb-taskbar-space, 60px) 0;
    z-index: var(--sb-z-desktop);
    padding: 18px 16px;
    outline: none;
}
.sb-icons {
    display: grid;
    grid-auto-flow: column;
    grid-template-rows: repeat(auto-fill, 106px);
    grid-auto-columns: 96px;
    gap: 6px 8px;
    height: 100%;
    align-content: start;
}
.sb-icon {
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 10px;
    width: 96px;
    height: 106px;
    padding: 8px 4px 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 7px;
    cursor: default;
    color: var(--sb-icon-label);
    transition: background var(--sb-t-fast) var(--sb-ease), border-color var(--sb-t-fast) var(--sb-ease), transform var(--sb-t-fast) var(--sb-ease);
    position: relative;
}
.sb-icon:hover { background: rgba(255, 255, 255, .18); border-color: rgba(255, 255, 255, .18); }
:root[data-theme="dark"] .sb-icon:hover { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .1); }
.sb-icon.is-selected { background: rgba(var(--sb-accent-rgb), .32); border-color: rgba(var(--sb-accent-rgb), .5); }
.sb-icon:active .sb-icon__art { transform: scale(.9); }
.sb-icon__art {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    filter: var(--sb-shadow-icon);
    transition: transform var(--sb-t-fast) var(--sb-spring);
    pointer-events: none;
}
.sb-icon__art svg { width: 56px; height: 56px; display: block; }
.sb-icon__art .sb-tile {
    width: 52px; height: 52px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    color: #fff;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.42), inset 0 0 0 1px rgba(255,255,255,.16);
}
.sb-icon__art .sb-tile .material-icons-outlined { font-size: 28px; }
.sb-icon__art .sb-tile img { width: 30px; height: 30px; border-radius: 8px; object-fit: cover; }
.sb-icon__emblem {
    position: absolute;
    right: 16px;
    bottom: 44px;
    width: 22px; height: 22px;
    border-radius: 7px;
    object-fit: cover;
    box-shadow: 0 1px 4px rgba(0,0,0,.4), 0 0 0 2px rgba(255,255,255,.75);
    pointer-events: none;
}
.sb-icon__label {
    font-size: 12px;
    line-height: 1.3;
    text-align: center;
    text-shadow: var(--sb-icon-label-shadow);
    max-width: 92px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
    pointer-events: none;
}
.sb-icon__count {
    position: absolute;
    top: 4px;
    right: 8px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    line-height: 20px;
    color: #fff;
    background: rgba(var(--sb-accent-rgb), .92);
    box-shadow: 0 1px 4px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.35);
    pointer-events: none;
}

/* 橡皮筋框选 */
.sb-marquee {
    position: absolute;
    z-index: 5;
    border: 1px solid rgba(var(--sb-accent-rgb), .8);
    background: rgba(var(--sb-accent-rgb), .16);
    border-radius: 4px;
    pointer-events: none;
}

/* 桌面页脚（备案/版本水印） */
.sb-desktop-footer {
    position: absolute;
    right: 18px;
    bottom: calc(var(--sb-taskbar-space, 60px) + 10px);
    z-index: 2;
    text-align: right;
    font-size: 12px;
    line-height: 1.7;
    color: var(--sb-icon-label);
    opacity: .5;
    text-shadow: var(--sb-icon-label-shadow);
    pointer-events: none;
}
.sb-desktop-footer a { color: inherit; pointer-events: auto; text-decoration: none; }
.sb-desktop-footer a:hover { text-decoration: underline; }

/* =========================================================
   Dock（macOS 风格：内容自适应宽、悬浮居中、悬停放大回弹）
   ========================================================= */
.sb-taskbar {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 12px;
    width: max-content;
    max-width: calc(100vw - 20px);
    height: 74px;
    z-index: var(--sb-z-taskbar);
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 0 9px;
    border-radius: 26px;
    background: var(--sb-glass-heavy);
    backdrop-filter: var(--sb-backdrop-heavy);
    -webkit-backdrop-filter: var(--sb-backdrop-heavy);
    border: 1px solid var(--sb-edge);
    box-shadow: var(--sb-specular-soft), var(--sb-shadow-taskbar);
}
.sb-taskbar.is-left { left: 12px; transform: none; }
.sb-taskbar__apps {
    display: flex;
    align-items: center;
    gap: 2px;
    min-width: 0;
    overflow: hidden;
    flex: 0 1 auto;
    padding: 0 8px;
    margin: 0 6px;
    border-left: 1px solid var(--sb-divider);
    border-right: 1px solid var(--sb-divider);
}
.sb-taskbar__spacer { display: none; }
.sb-taskbar__lead { display: flex; align-items: center; gap: 2px; }

.sb-task-btn {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    background: transparent;
    width: 58px;
    height: 58px;
    border-radius: 17px;
    display: grid;
    place-items: center;
    color: var(--sb-text);
    cursor: pointer;
    position: relative;
    transition: background var(--sb-t-fast) var(--sb-ease), transform var(--sb-t) var(--sb-spring);
}
.sb-task-btn:hover { background: var(--sb-hover); transform: translateY(-5px) scale(1.12); }
.sb-task-btn:active { transform: translateY(-2px) scale(.98); }
.sb-task-btn.is-open { background: var(--sb-active); }
.sb-task-btn .material-icons-outlined { font-size: 26px; }

.sb-start-btn .sb-start-logo {
    width: 44px; height: 44px;
    border-radius: 13px;
    object-fit: cover;
    display: block;
    box-shadow: 0 1px 4px rgba(15, 25, 60, .25);
    transition: transform var(--sb-t-fast) var(--sb-spring);
}
.sb-start-btn:hover .sb-start-logo { transform: scale(1.08); }
/* 已登录：开始按钮换成用户头像，圆形 + 主题色细环 */
.sb-start-btn.is-user .sb-start-logo {
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(var(--sb-accent-rgb), .55), 0 2px 6px rgba(15, 25, 60, .28);
}

.sb-task-app {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    background: transparent;
    width: 58px;
    height: 58px;
    border-radius: 17px;
    display: grid;
    place-items: center;
    cursor: pointer;
    position: relative;
    color: var(--sb-text);
    text-decoration: none;
    transition: transform var(--sb-t) var(--sb-spring);
}
.sb-task-app:hover { transform: translateY(-6px) scale(1.18); }
.sb-task-app:active { transform: translateY(-2px) scale(1.02); }
.sb-task-app__icon {
    width: 48px; height: 48px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: var(--sb-field);
    box-shadow: var(--sb-specular-soft), 0 2px 6px rgba(15, 25, 60, .14);
    transition: transform var(--sb-t-fast) var(--sb-spring);
}
.sb-task-app__icon .material-icons-outlined { font-size: 28px; }
.sb-task-app__icon img { width: 40px; height: 40px; border-radius: 12px; object-fit: cover; }
.sb-task-app__dot {
    position: absolute;
    bottom: 0px;
    left: 50%;
    transform: translateX(-50%);
    width: 5px; height: 5px;
    border-radius: 3px;
    background: var(--sb-text-3);
    opacity: 0;
    transition: all var(--sb-t) var(--sb-ease);
}
.sb-task-app.is-running .sb-task-app__dot { opacity: 1; }
.sb-task-app.is-active .sb-task-app__dot { width: 14px; background: var(--sb-accent); }

.sb-tray { display: flex; align-items: center; gap: 1px; }
.sb-tray .sb-task-btn { width: 46px; height: 52px; border-radius: 15px; }
.sb-tray .sb-task-btn .material-icons-outlined { font-size: 23px; }
.sb-tray-lang {
    width: auto !important;
    min-width: 38px;
    padding: 0 10px;
    font-size: 12.5px;
    font-weight: 600;
    gap: 5px;
    display: flex !important;
    align-items: center;
}
.sb-tray-lang .material-icons-outlined { font-size: 19px; }
.sb-clock {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    background: transparent;
    border-radius: 15px;
    height: 52px;
    padding: 4px 13px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    gap: 1px;
    color: var(--sb-text);
    font-family: var(--sb-font);
    cursor: pointer;
    transition: background var(--sb-t-fast) var(--sb-ease);
}
.sb-clock:hover { background: var(--sb-hover); }
.sb-clock strong { font-size: 13px; font-weight: 600; line-height: 1.1; font-variant-numeric: tabular-nums; }
.sb-clock small { font-size: 11px; color: var(--sb-text-2); line-height: 1.1; font-variant-numeric: tabular-nums; }
.sb-show-desktop {
    width: 9px;
    height: 46px;
    border: none;
    background: transparent;
    border-left: 1px solid var(--sb-divider);
    border-radius: 0 12px 12px 0;
    cursor: pointer;
    padding: 0;
    margin-left: 3px;
}
.sb-show-desktop:hover { background: var(--sb-hover); }

/* =========================================================
   飞出层（开始菜单 / 托盘面板 / 日历 / 公告）
   ========================================================= */
.sb-flyout {
    position: absolute;
    z-index: var(--sb-z-flyout);
    bottom: calc(var(--sb-taskbar-space, 60px) + 8px);
    border-radius: var(--sb-r-panel);
    background: var(--sb-glass-menu);
    backdrop-filter: var(--sb-backdrop-heavy);
    -webkit-backdrop-filter: var(--sb-backdrop-heavy);
    border: 1px solid var(--sb-edge);
    box-shadow: var(--sb-specular), var(--sb-shadow-menu);
    color: var(--sb-text);
    opacity: 0;
    transform: translateY(14px) scale(.98);
    transform-origin: bottom center;
    visibility: hidden;
    transition: opacity var(--sb-t) var(--sb-spring), transform var(--sb-t) var(--sb-spring), visibility var(--sb-t);
    overflow: hidden;
}
.sb-flyout.is-open { opacity: 1; transform: none; visibility: visible; }

/* ---- 开始菜单 ---- */
.sb-start {
    left: 50%;
    margin-left: -280px;
    width: 560px;
    max-width: calc(100vw - 20px);
    max-height: calc(100vh - var(--sb-taskbar-space, 60px) - 24px);
    display: flex;
    flex-direction: column;
    padding: 18px 18px 0;
}
.sb-taskbar.is-left ~ .sb-start { left: 12px; margin-left: 0; }
.sb-start__search {
    display: flex;
    align-items: center;
    gap: 11px;
    height: 46px;
    padding: 0 16px;
    border-radius: 15px;
    background: var(--sb-field);
    border: 1px solid var(--sb-edge);
    box-shadow: var(--sb-specular-soft);
    flex: none;
    transition: background var(--sb-t-fast) var(--sb-ease), border-color var(--sb-t-fast) var(--sb-ease), box-shadow var(--sb-t-fast) var(--sb-ease);
}
.sb-start__search:hover { background: var(--sb-field-focus); }
.sb-start__search:focus-within {
    background: var(--sb-field-focus);
    border-color: rgba(var(--sb-accent-rgb), .42);
    box-shadow: var(--sb-specular-soft), 0 0 0 3px rgba(var(--sb-accent-rgb), .13);
}
.sb-start__search .material-icons-outlined {
    font-size: 20px;
    color: var(--sb-text-3);
    flex: none;
    transition: color var(--sb-t-fast) var(--sb-ease);
}
.sb-start__search:focus-within .material-icons-outlined { color: var(--sb-accent); }
.sb-start__search input {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    font: 15px var(--sb-font);
    color: var(--sb-text);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}
.sb-start__search input::placeholder { color: var(--sb-text-3); }
.sb-start__search input::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; }
.sb-start__scroll { overflow-y: auto; padding: 16px 2px 12px; flex: 1; min-height: 0; }
.sb-start__label {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--sb-text-2);
    margin: 4px 6px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sb-start__pins {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 4px;
    margin-bottom: 16px;
}
.sb-pin {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    background: transparent;
    border-radius: 10px;
    padding: 10px 4px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 7px;
    cursor: pointer;
    color: var(--sb-text);
    transition: background var(--sb-t-fast) var(--sb-ease);
}
.sb-pin:hover { background: var(--sb-hover); }
.sb-pin:active .sb-pin__icon { transform: scale(.88); }
.sb-pin__icon {
    width: 40px; height: 40px;
    border-radius: 11px;
    display: grid;
    place-items: center;
    color: #fff;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.45), 0 2px 8px rgba(15, 25, 60, .22);
    transition: transform var(--sb-t-fast) var(--sb-spring);
}
.sb-pin__icon .material-icons-outlined { font-size: 22px; }
.sb-pin__icon img { width: 22px; height: 22px; border-radius: 6px; object-fit: cover; }
.sb-pin span { font-size: 11.5px; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sb-pin.is-hidden { display: none; }

.sb-start__recent { display: flex; flex-direction: column; gap: 2px; margin-bottom: 8px; }
.sb-recent-item {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    background: transparent;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 10px;
    cursor: pointer;
    color: var(--sb-text);
    text-align: left;
    transition: background var(--sb-t-fast) var(--sb-ease);
}
.sb-recent-item:hover { background: var(--sb-hover); }
.sb-recent-item img {
    width: 34px; height: 34px;
    border-radius: 9px;
    object-fit: cover;
    box-shadow: 0 1px 4px rgba(15, 25, 60, .2);
    flex: none;
}
.sb-recent-item > div { min-width: 0; flex: 1; }
.sb-recent-item strong { display: block; font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sb-recent-item small { display: block; font-size: 11.5px; color: var(--sb-text-2); margin-top: 1px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sb-start__empty { padding: 14px 10px 18px; text-align: center; color: var(--sb-text-3); font-size: 12.5px; }

.sb-start__footer {
    flex: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 8px;
    margin: 0 -18px;
    padding-left: 24px;
    padding-right: 20px;
    border-top: 1px solid var(--sb-divider);
    background: var(--sb-glass-press);
}
.sb-start__user {
    display: flex;
    align-items: center;
    gap: 10px;
    border: none;
    background: transparent;
    border-radius: 10px;
    padding: 6px 10px;
    cursor: pointer;
    color: var(--sb-text);
    transition: background var(--sb-t-fast) var(--sb-ease);
    text-decoration: none;
}
.sb-start__user:hover { background: var(--sb-hover); }
.sb-start__user img { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; box-shadow: 0 0 0 2px rgba(var(--sb-accent-rgb), .5); }
.sb-start__user span { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.2; }
.sb-start__user strong { font-size: 13px; font-weight: 600; }
.sb-start__user small { font-size: 11px; color: var(--sb-text-2); }
.sb-start__power { display: flex; gap: 2px; }

/* ---- 快速设置 ---- */
.sb-quick {
    right: 10px;
    width: 336px;
    padding: 16px;
}
.sb-quick__row { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.sb-quick__row:last-child { margin-bottom: 0; }
.sb-quick__title { font-size: 12px; font-weight: 600; color: var(--sb-text-2); }
.sb-seg {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    background: var(--sb-field);
    border: 1px solid var(--sb-edge);
    border-radius: 12px;
    padding: 4px;
    box-shadow: var(--sb-specular-soft);
}
.sb-seg button {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    background: transparent;
    border-radius: 9px;
    height: 56px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font: 11.5px var(--sb-font);
    color: var(--sb-text-2);
    cursor: pointer;
    transition: all var(--sb-t-fast) var(--sb-ease);
}
.sb-seg button .material-icons-outlined { font-size: 20px; }
.sb-seg button:hover { background: var(--sb-hover); color: var(--sb-text); }
.sb-seg button.is-active {
    background: rgba(var(--sb-accent-rgb), .92);
    color: #fff;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.4), 0 2px 8px rgba(var(--sb-accent-rgb), .4);
}
.sb-accent-dots { display: flex; gap: 10px; padding: 2px; }
.sb-accent-dot {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    width: 30px; height: 30px;
    border-radius: 50%;
    cursor: pointer;
    position: relative;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.5), 0 2px 6px rgba(15,25,60,.3);
    transition: transform var(--sb-t-fast) var(--sb-spring);
}
.sb-accent-dot:hover { transform: scale(1.12); }
.sb-accent-dot.is-active::after {
    content: "check";
    font-family: "Material Icons Outlined";
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: #fff;
    font-size: 17px;
    text-shadow: 0 1px 3px rgba(0,0,0,.4);
}
.sb-quick__actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sb-quick-action {
    -webkit-appearance: none;
    appearance: none;
    border: 1px solid var(--sb-edge);
    background: var(--sb-field);
    border-radius: 12px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font: 12.5px var(--sb-font);
    font-weight: 500;
    color: var(--sb-text);
    cursor: pointer;
    box-shadow: var(--sb-specular-soft);
    transition: background var(--sb-t-fast) var(--sb-ease);
}
.sb-quick-action:hover { background: var(--sb-field-focus); }
.sb-quick-action .material-icons-outlined { font-size: 19px; color: var(--sb-accent); }

/* ---- 语言飞出 ---- */
.sb-langfly { right: 56px; width: 220px; padding: 8px; }
.sb-langfly button {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    background: transparent;
    width: 100%;
    border-radius: 9px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    font: 13px var(--sb-font);
    color: var(--sb-text);
    cursor: pointer;
    transition: background var(--sb-t-fast) var(--sb-ease);
}
.sb-langfly button:hover { background: var(--sb-hover); }
.sb-langfly button .sb-lang-code {
    width: 30px; height: 22px;
    border-radius: 6px;
    background: var(--sb-accent-soft);
    color: var(--sb-accent-strong);
    font-size: 11px;
    font-weight: 700;
    display: grid;
    place-items: center;
}
:root[data-theme="dark"] .sb-langfly button .sb-lang-code { color: #b3d5ff; }
.sb-langfly button .material-icons-outlined { margin-left: auto; font-size: 18px; color: var(--sb-accent); opacity: 0; }
.sb-langfly button.active .material-icons-outlined { opacity: 1; }

/* ---- 日历 ---- */
.sb-cal { right: 10px; width: 316px; padding: 18px; }
.sb-cal__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.sb-cal__head strong { font-size: 14px; font-weight: 600; }
.sb-cal__head div { display: flex; gap: 2px; }
.sb-cal__nav {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    background: transparent;
    width: 30px; height: 30px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    color: var(--sb-text-2);
    cursor: pointer;
}
.sb-cal__nav:hover { background: var(--sb-hover); color: var(--sb-text); }
.sb-cal__nav .material-icons-outlined { font-size: 19px; }
.sb-cal__grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.sb-cal__dow { text-align: center; font-size: 11px; color: var(--sb-text-3); padding: 4px 0 8px; font-weight: 600; }
.sb-cal__day {
    height: 34px;
    display: grid;
    place-items: center;
    font-size: 12.5px;
    border-radius: 50%;
    color: var(--sb-text);
    font-variant-numeric: tabular-nums;
}
.sb-cal__day.is-dim { color: var(--sb-text-3); }
.sb-cal__day.is-today {
    background: rgba(var(--sb-accent-rgb), .92);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(var(--sb-accent-rgb), .45);
}

/* ---- 店铺公告（窗口内容） ---- */
.sb-notice {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 18px 22px 24px;
    font-size: 13.5px;
    line-height: 1.9;
    color: var(--sb-text);
    user-select: text;
}
.sb-notice img { max-width: 100%; border-radius: 10px; }
.sb-notice a { color: var(--sb-link); }
.sb-notice table { max-width: 100%; border-collapse: collapse; }
.sb-notice table td, .sb-notice table th { border: 1px solid var(--sb-divider); padding: 6px 10px; }
.sb-notice > :first-child { margin-top: 0; }
.sb-notice > :last-child { margin-bottom: 0; }

/* =========================================================
   菜单（右键 / 级联分类菜单）
   ========================================================= */
.sb-menu {
    position: fixed;
    z-index: var(--sb-z-menu);
    min-width: 216px;
    max-width: 300px;
    padding: 6px;
    border-radius: var(--sb-r-menu);
    background: var(--sb-glass-menu);
    backdrop-filter: var(--sb-backdrop);
    -webkit-backdrop-filter: var(--sb-backdrop);
    border: 1px solid var(--sb-edge);
    box-shadow: var(--sb-specular-soft), var(--sb-shadow-menu);
    color: var(--sb-text);
    animation: sb-menu-in var(--sb-t) var(--sb-spring) both;
    max-height: calc(100vh - 90px);
    overflow-y: auto;
    overflow-x: hidden;
    user-select: none;
}
@keyframes sb-menu-in { from { opacity: 0; transform: translateY(6px) scale(.97); } to { opacity: 1; transform: none; } }
.sb-menu__head {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 8px 10px 9px;
    margin: 0 2px 4px;
    border-bottom: 1px solid var(--sb-divider);
    font-size: 12px;
    font-weight: 600;
    color: var(--sb-text-2);
}
.sb-menu__head img { width: 20px; height: 20px; border-radius: 6px; object-fit: cover; }
.sb-menu__item {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    background: transparent;
    width: 100%;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    font: 13px var(--sb-font);
    color: var(--sb-text);
    cursor: pointer;
    text-align: left;
    position: relative;
    transition: background var(--sb-t-fast) var(--sb-ease);
}
.sb-menu__item:hover, .sb-menu__item.is-hover { background: var(--sb-hover); }
.sb-menu__item:active { background: var(--sb-active); }
.sb-menu__item .material-icons-outlined { font-size: 19px; color: var(--sb-text-2); flex: none; }
.sb-menu__item img.sb-menu__ico { width: 19px; height: 19px; border-radius: 5px; object-fit: cover; flex: none; }
.sb-menu__item .sb-menu__text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sb-menu__item .sb-menu__badge {
    flex: none;
    font-size: 11px;
    font-weight: 600;
    color: var(--sb-text-2);
    background: var(--sb-hover);
    border-radius: 9px;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    padding: 0 5px;
    font-variant-numeric: tabular-nums;
}
.sb-menu__item .sb-menu__arrow { font-size: 17px !important; margin-right: -4px; color: var(--sb-text-3) !important; }
.sb-menu__item.is-danger, .sb-menu__item.is-danger .material-icons-outlined { color: var(--sb-danger); }
.sb-menu__sep { height: 1px; margin: 5px 8px; background: var(--sb-divider); }
.sb-menu__check { font-size: 17px !important; color: var(--sb-accent) !important; margin-left: auto; }

/* =========================================================
   窗口系统
   ========================================================= */
.sb-window {
    position: absolute;
    display: flex;
    flex-direction: column;
    min-width: 380px;
    min-height: 260px;
    border-radius: var(--sb-r-window);
    background: var(--sb-glass);
    backdrop-filter: var(--sb-backdrop);
    -webkit-backdrop-filter: var(--sb-backdrop);
    border: 1px solid var(--sb-edge);
    box-shadow: var(--sb-specular-soft), var(--sb-shadow-window-blur);
    overflow: hidden;
    transition: box-shadow var(--sb-t) var(--sb-ease), border-radius var(--sb-t) var(--sb-ease), opacity var(--sb-t) var(--sb-ease);
}
.sb-window.is-active { box-shadow: var(--sb-specular-soft), var(--sb-shadow-window); }
/* 只有当前窗口保留实时模糊：背景窗口每多一个就多一块每帧重算的模糊面 */
.sb-window:not(.is-active) {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--sb-glass-flat);
}
.sb-window.is-maximized { border-radius: 0; border-color: transparent; }
.sb-window.is-dragging, .sb-window.is-sizing { transition: none; }
.sb-window.is-dragging iframe, .sb-window.is-sizing iframe { pointer-events: none; }
.sb-window.is-opening { animation: sb-win-open var(--sb-t-slow) var(--sb-spring) both; }
.sb-window.is-closing { animation: sb-win-close .2s var(--sb-ease) both; }
.sb-window.is-min-anim { transition: transform var(--sb-t-slow) var(--sb-spring), opacity var(--sb-t-slow) var(--sb-ease); }
@keyframes sb-win-open { from { opacity: 0; transform: scale(.92) translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes sb-win-close { from { opacity: 1; transform: none; } to { opacity: 0; transform: scale(.94) translateY(10px); } }

.sb-window__titlebar {
    flex: none;
    height: 42px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 6px 0 14px;
    cursor: default;
    touch-action: none;
}
.sb-window__icon { width: 18px; height: 18px; display: grid; place-items: center; flex: none; }
.sb-window__icon img { width: 18px; height: 18px; border-radius: 5px; object-fit: cover; }
.sb-window__icon .material-icons-outlined { font-size: 18px; color: var(--sb-accent); }
.sb-window__title {
    flex: 1;
    min-width: 0;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--sb-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sb-window:not(.is-active) .sb-window__title { color: var(--sb-text-3); }
.sb-window:not(.is-active) .sb-window__icon { opacity: .55; }
.sb-window__controls { display: flex; align-items: center; flex: none; }
.sb-wbtn {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    background: transparent;
    width: 42px;
    height: 34px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    color: var(--sb-text-2);
    cursor: pointer;
    transition: background var(--sb-t-fast) var(--sb-ease), color var(--sb-t-fast) var(--sb-ease);
}
.sb-wbtn:hover { background: var(--sb-hover); color: var(--sb-text); }
.sb-wbtn .material-icons-outlined { font-size: 18px; }
.sb-wbtn--close:hover { background: #e81123; color: #fff; }
.sb-window__body {
    flex: 1;
    min-height: 0;
    position: relative;
    display: flex;
    flex-direction: column;
}
.sb-window__frame { flex: 1; min-height: 0; border: none; width: 100%; height: 100%; display: block; background: transparent; }
.sb-window--frame .sb-window__body { background: var(--sb-glass-press); }

/* 窗口底部工具条（收银台等） */
.sb-window__foot {
    flex: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 12px;
    border-top: 1px solid var(--sb-divider);
    background: var(--sb-glass-press);
    font-size: 11.5px;
    color: var(--sb-text-2);
}
.sb-window__foot-info { display: inline-flex; align-items: center; gap: 6px; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sb-window__foot-info .material-icons-outlined { font-size: 15px; color: var(--sb-ok); flex: none; }
.sb-window__foot-info b { font-weight: 600; color: var(--sb-text); font-variant-numeric: tabular-nums; }
.sb-window__foot-actions { display: flex; gap: 7px; flex: none; }

.sb-window__loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    color: var(--sb-text-2);
    font-size: 12.5px;
    background: transparent;
    z-index: 3;
    transition: opacity var(--sb-t) var(--sb-ease), visibility var(--sb-t);
}
.sb-window__loading.is-hidden { opacity: 0; visibility: hidden; }
.sb-spinner {
    width: 26px; height: 26px;
    border-radius: 50%;
    border: 2.5px solid rgba(var(--sb-accent-rgb), .2);
    border-top-color: var(--sb-accent);
    animation: sb-spin .8s linear infinite;
    flex: none;
}
.sb-spinner--sm { width: 16px; height: 16px; border-width: 2px; }

/* 缩放手柄 */
.sb-window__grip { position: absolute; z-index: 20; touch-action: none; }
.sb-window__grip[data-grip="n"] { top: -4px; left: 10px; right: 10px; height: 8px; cursor: n-resize; }
.sb-window__grip[data-grip="s"] { bottom: -4px; left: 10px; right: 10px; height: 8px; cursor: s-resize; }
.sb-window__grip[data-grip="e"] { right: -4px; top: 10px; bottom: 10px; width: 8px; cursor: e-resize; }
.sb-window__grip[data-grip="w"] { left: -4px; top: 10px; bottom: 10px; width: 8px; cursor: w-resize; }
.sb-window__grip[data-grip="ne"] { top: -5px; right: -5px; width: 14px; height: 14px; cursor: ne-resize; }
.sb-window__grip[data-grip="nw"] { top: -5px; left: -5px; width: 14px; height: 14px; cursor: nw-resize; }
.sb-window__grip[data-grip="se"] { bottom: -5px; right: -5px; width: 14px; height: 14px; cursor: se-resize; }
.sb-window__grip[data-grip="sw"] { bottom: -5px; left: -5px; width: 14px; height: 14px; cursor: sw-resize; }
.sb-window.is-maximized .sb-window__grip { display: none; }

/* 贴边预览 */
.sb-snap-preview {
    position: absolute;
    z-index: calc(var(--sb-z-taskbar) - 1);
    border-radius: var(--sb-r-window);
    background: rgba(var(--sb-accent-rgb), .16);
    border: 1.5px solid rgba(var(--sb-accent-rgb), .5);
    backdrop-filter: blur(4px);
    opacity: 0;
    transform: scale(.985);
    transition: all .16s var(--sb-ease);
    pointer-events: none;
}
.sb-snap-preview.is-visible { opacity: 1; transform: none; }

/* =========================================================
   通知 Toast
   ========================================================= */
.sb-toast-host {
    position: fixed;
    right: 16px;
    bottom: calc(var(--sb-taskbar-space, 60px) + 12px);
    z-index: var(--sb-z-toast);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    pointer-events: none;
}
.sb-toast {
    pointer-events: auto;
    display: flex;
    align-items: flex-start;
    gap: 11px;
    max-width: 360px;
    padding: 13px 16px;
    border-radius: 13px;
    background: var(--sb-glass-menu);
    backdrop-filter: var(--sb-backdrop);
    -webkit-backdrop-filter: var(--sb-backdrop);
    border: 1px solid var(--sb-edge);
    box-shadow: var(--sb-specular-soft), var(--sb-shadow-menu);
    color: var(--sb-text);
    font-size: 13px;
    line-height: 1.5;
    animation: sb-toast-in var(--sb-t-slow) var(--sb-spring) both;
}
.sb-toast.is-leaving { animation: sb-toast-out .24s var(--sb-ease) both; }
.sb-toast .material-icons-outlined { font-size: 20px; flex: none; margin-top: 1px; }
.sb-toast.is-success .material-icons-outlined { color: var(--sb-ok); }
.sb-toast.is-error .material-icons-outlined { color: var(--sb-danger); }
.sb-toast.is-info .material-icons-outlined { color: var(--sb-info); }
@keyframes sb-toast-in { from { opacity: 0; transform: translateX(30px) scale(.96); } to { opacity: 1; transform: none; } }
@keyframes sb-toast-out { from { opacity: 1; transform: none; } to { opacity: 0; transform: translateX(24px) scale(.97); } }

/* =========================================================
   独立应用壳（商品/查询/会员中心直达页）
   ========================================================= */
.sb-app-shell .sb-appwin {
    position: absolute;
    inset: 22px 26px calc(var(--sb-taskbar-space, 60px) + 10px);
    z-index: var(--sb-z-window);
    display: flex;
    flex-direction: column;
    border-radius: var(--sb-r-window);
    background: var(--sb-glass);
    backdrop-filter: var(--sb-backdrop);
    -webkit-backdrop-filter: var(--sb-backdrop);
    border: 1px solid var(--sb-edge);
    box-shadow: var(--sb-specular-soft), var(--sb-shadow-window);
    overflow: hidden;
    animation: sb-win-open var(--sb-t-slow) var(--sb-spring) both;
}
.sb-app-shell .sb-appwin > .sb-window__body { overflow: hidden; }

/* 嵌入模式（iframe 内容页）：透明画布，由父窗口提供玻璃与边框 */
body.sb-embed { background: transparent; }
body.sb-embed .sb-appwin {
    position: fixed;
    inset: 0;
    border-radius: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    animation: none;
    display: flex;
    flex-direction: column;
}
body.sb-embed .sb-appwin > .sb-window__titlebar { display: none; }
body.sb-embed .sb-stage,
body.sb-embed .sb-taskbar,
body.sb-embed .sb-auth__back,
body.sb-embed .sb-auth__tray { display: none !important; }