/**
 * 应用外壳：侧边栏 + 顶栏 + 主内容区布局（与主控制台视觉一致）
 * 各功能页在 head 末尾引入本文件，以覆盖页面内旧版侧栏样式。
 */
:root {
    --font-display: "Orbitron", "Segoe UI", sans-serif;
    --font-ui: "Rajdhani", "Segoe UI", sans-serif;
    --shell-bg: #0a0e18;
    --shell-text: #e8ecf4;
    --shell-muted: #b0b0c0;
    --shell-accent: #00f0ff;
    --shell-sidebar-w: 240px;
    --mx: 50vw;
    --my: 50vh;
}

html,
body.app-shell {
    height: 100%;
}

body.app-shell {
    background: var(--shell-bg);
    color: var(--shell-text);
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 17px;
    overflow-x: hidden;
}

body.app-shell::before {
    content: "";
    position: fixed;
    inset: -20%;
    background:
        radial-gradient(circle at 20% 20%, rgba(0, 240, 255, 0.24) 0%, rgba(0, 240, 255, 0) 38%),
        radial-gradient(circle at 80% 30%, rgba(124, 58, 237, 0.28) 0%, rgba(124, 58, 237, 0) 40%),
        radial-gradient(circle at 50% 85%, rgba(56, 189, 248, 0.2) 0%, rgba(56, 189, 248, 0) 37%);
    filter: blur(28px);
    transform: translate3d(0, 0, 0);
    animation: appShellFlowBg 7.2s ease-in-out infinite alternate;
    pointer-events: none;
    z-index: 0;
}

@keyframes appShellFlowBg {
    0% { transform: translate3d(-3%, -2%, 0) scale(1.01); }
    50% { transform: translate3d(3%, 2%, 0) scale(1.08); }
    100% { transform: translate3d(-2%, 3%, 0) scale(1.04); }
}

body.app-shell .pointer-glow {
    position: fixed;
    left: var(--mx);
    top: var(--my);
    width: 560px;
    height: 560px;
    margin-left: -280px;
    margin-top: -280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.22) 0%, rgba(167, 139, 250, 0.12) 40%, transparent 70%);
    pointer-events: none;
    z-index: 2;
    mix-blend-mode: screen;
    transition: opacity 0.35s ease;
}

body.app-shell .pointer-glow--lag {
    width: 720px;
    height: 720px;
    margin-left: -360px;
    margin-top: -360px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.12) 0%, rgba(0, 240, 255, 0.09) 46%, transparent 72%);
    filter: blur(14px);
    opacity: 0.85;
    transition: left 0.38s cubic-bezier(0.22, 1, 0.36, 1), top 0.38s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
}

body.app-shell:not(.pointer-glow-active) .pointer-glow,
body.app-shell:not(.pointer-glow-active) .pointer-glow--lag {
    opacity: 0;
}

body.app-shell .dashboard-container {
    display: flex;
    min-height: 100vh;
    width: 100%;
    max-width: 100%;
    padding: 0;
    margin: 0;
    background: transparent;
    position: relative;
    z-index: 2;
}

body.app-shell .sidebar {
    width: var(--shell-sidebar-w);
    background: linear-gradient(180deg, #0f1629 0%, #0a0e18 100%);
    padding: 20px 0;
    transition: left 0.3s ease, width 0.3s ease, padding 0.3s ease;
    box-shadow: 4px 0 32px rgba(0, 0, 0, 0.45), inset -1px 0 0 rgba(0, 240, 255, 0.12);
    z-index: 100;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
}

body.app-shell .sidebar::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 240, 255, 0.35) 30%, rgba(167, 139, 250, 0.4) 55%, rgba(0, 240, 255, 0.25) 80%, transparent 100%);
    opacity: 0.85;
    pointer-events: none;
    animation: appShellSidebarEdge 2.4s ease-in-out infinite;
}

@keyframes appShellSidebarEdge {
    0%, 100% { opacity: 0.55; filter: blur(0); }
    50% { opacity: 1; filter: blur(1px); }
}

body.app-shell .sidebar-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 20px;
    gap: 10px;
}

body.app-shell .sidebar-logo .logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

body.app-shell .sidebar-logo h1 {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: #f0f4fc;
    margin: 0;
}

body.app-shell .nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

body.app-shell .nav-item {
    margin-bottom: 5px;
}

body.app-shell .nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--shell-muted);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

body.app-shell .nav-link:hover,
body.app-shell .nav-link.active {
    background: rgba(0, 240, 255, 0.1);
    color: var(--shell-accent);
    border-left-color: var(--shell-accent);
}

body.app-shell .nav-link i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

body.app-shell .main-content {
    flex: 1;
    padding: 20px;
    margin-left: var(--shell-sidebar-w);
    overflow-y: auto;
    overflow-x: hidden;
    height: 100vh;
    min-height: 100vh;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 240, 255, 0.35) rgba(10, 18, 34, 0.6);
    position: relative;
    background:
        linear-gradient(rgba(0, 240, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    background-color: rgba(10, 14, 24, 0.3);
}

body.app-shell .main-content::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 0, 0, 0.07) 2px, rgba(0, 0, 0, 0.07) 4px);
    opacity: 0.3;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 75%);
}

/* ── 主内容区滚动条 ── */
body.app-shell .main-content::-webkit-scrollbar {
    width: 6px;
}
body.app-shell .main-content::-webkit-scrollbar-track {
    background: rgba(10, 18, 34, 0.6);
}
body.app-shell .main-content::-webkit-scrollbar-thumb {
    background: rgba(0, 240, 255, 0.35);
    border-radius: 3px;
}
body.app-shell .main-content::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 240, 255, 0.55);
}


body.app-shell .main-content > * {
    position: relative;
    z-index: 1;
}

/* 顶栏必须在主内容其它区块之上，否则通知下拉会被下方 scroll-section 盖住 */
body.app-shell .main-content > .top-bar {
    z-index: 50;
}

body.app-shell .top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding: 14px 18px;
    border-radius: 10px;
    border: 1px solid rgba(0, 240, 255, 0.15);
    background: rgba(15, 22, 41, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 0 28px rgba(0, 240, 255, 0.06);
    position: relative;
    /* 不可 hidden：会裁切通知下拉；光晕在 ::before 上已单独分层 */
    overflow: visible;
}

body.app-shell .top-bar::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 10px;
    background: linear-gradient(105deg, transparent 0%, rgba(0, 240, 255, 0.12) 45%, rgba(167, 139, 250, 0.14) 55%, transparent 100%);
    background-size: 200% 100%;
    pointer-events: none;
    animation: appShellTopBarShine 1.9s ease-in-out infinite;
    z-index: 0;
}

@keyframes appShellTopBarShine {
    0%, 100% { background-position: 0% 50%; opacity: 0.58; }
    50% { background-position: 100% 50%; opacity: 1; }
}

body.app-shell .top-bar > * {
    position: relative;
    z-index: 1;
}

body.app-shell .top-bar .search-bar {
    position: relative;
    flex: 1;
    max-width: 420px;
    margin-right: 16px;
}

body.app-shell .top-bar .search-bar input {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 15px 10px 35px;
    background: rgba(5, 8, 16, 0.65);
    border: 1px solid rgba(0, 240, 255, 0.18);
    border-radius: 6px;
    color: #f0f4fc;
    font-size: 15px;
    font-family: var(--font-ui);
}

body.app-shell .top-bar .search-bar i {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--shell-muted);
}

body.app-shell .user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
}

body.app-shell .notification-container {
    position: relative;
    z-index: 100;
}

body.app-shell .notification-dropdown {
    z-index: 5000;
}

body.app-shell .notification-btn {
    background: transparent;
    border: none;
    color: var(--shell-muted);
    font-size: 18px;
    cursor: pointer;
    position: relative;
}

body.app-shell .notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    background: var(--shell-accent);
    color: #1a1a2e;
    border-radius: 50%;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

body.app-shell .user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--shell-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a1a2e;
    font-weight: bold;
    cursor: pointer;
}

body.app-shell .user-avatar.user-avatar--placeholder {
    font-weight: normal;
}

body.app-shell .user-avatar.user-avatar--placeholder > .fas {
    font-size: 19px;
    line-height: 1;
}

/* 头像下拉（账户 / 登出），层级与通知下拉一致 */
body.app-shell .user-avatar-menu {
    position: relative;
    z-index: 120;
}

body.app-shell .user-avatar-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    padding: 8px 0;
    background: rgba(15, 22, 41, 0.98);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 10px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    z-index: 10000;
}

body.app-shell .user-avatar-dropdown.show {
    display: block;
}

body.app-shell .user-avatar-dd-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: #e8ecf4;
    font-size: 14px;
    font-family: var(--font-ui);
    cursor: pointer;
    text-align: left;
    transition: background 0.2s ease;
}

body.app-shell .user-avatar-dd-item i {
    width: 18px;
    color: var(--shell-accent);
    text-align: center;
}

body.app-shell .user-avatar-dd-item:hover {
    background: rgba(0, 240, 255, 0.1);
}

body.app-shell .user-avatar-dd-item--danger i {
    color: #ff6b6b;
}

body.app-shell .user-avatar-dd-item--danger:hover {
    background: rgba(255, 107, 107, 0.12);
}

body.app-shell .mobile-menu-toggle {
    display: none;
}

@media (max-width: 992px) {
    body.app-shell {
        --shell-sidebar-w: 60px;
    }
    body.app-shell .sidebar {
        padding: 16px 0;
    }
    body.app-shell .sidebar-logo h1,
    body.app-shell .nav-link span {
        display: none;
    }
    body.app-shell .sidebar-logo {
        justify-content: center;
        padding: 0 0 16px;
    }
    body.app-shell .sidebar-logo h1 {
        display: none;
    }
    body.app-shell .nav-link {
        justify-content: center;
        padding: 14px 10px;
    }
    body.app-shell .nav-link i {
        margin-right: 0;
        font-size: 18px;
    }
}

@media (max-width: 576px) {
    body.app-shell {
        --shell-sidebar-w: 240px;
    }
    body.app-shell .sidebar {
        left: calc(-1 * var(--shell-sidebar-w));
        width: var(--shell-sidebar-w);
        padding: 20px 0;
    }
    body.app-shell .sidebar.show {
        left: 0;
    }
    body.app-shell .sidebar-logo h1,
    body.app-shell .nav-link span {
        display: inline;
    }
    body.app-shell .sidebar-logo {
        justify-content: flex-start;
        padding: 0 20px 20px;
    }
    body.app-shell .sidebar-logo i {
        margin-right: 10px;
    }
    body.app-shell .nav-link {
        justify-content: flex-start;
        padding: 12px 20px;
    }
    body.app-shell .nav-link i {
        margin-right: 10px;
    }
    body.app-shell .main-content {
        margin-left: 0;
        padding: 16px;
    }
    body.app-shell .top-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    body.app-shell .top-bar .search-bar {
        max-width: none;
        margin-right: 0;
    }
    body.app-shell .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        position: fixed;
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        background: var(--shell-accent);
        color: #1a1a2e;
        border: none;
        font-size: 20px;
        box-shadow: 0 4px 10px rgba(0, 240, 255, 0.4);
        cursor: pointer;
        z-index: 999;
    }
}

/* ── 通知徽章呼吸灯 ── */
@keyframes badgePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.5); }
    50% { box-shadow: 0 0 8px 3px rgba(0, 240, 255, 0.25); }
}

body.app-shell .notification-badge {
    animation: badgePulse 2s ease-in-out infinite;
}

/* ── 搜索框聚焦光晕 ── */
body.app-shell .search-bar input:focus {
    box-shadow: 0 0 12px 2px rgba(0, 240, 255, 0.15);
    border-color: var(--shell-accent);
}

/* ── 旋转渐变边框 ── */
@keyframes rotate-border {
    0% { --border-angle: 0deg; }
    100% { --border-angle: 360deg; }
}
.rotating-border {
    position: relative;
    border: none !important;
    overflow: visible;
}
.rotating-border::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: conic-gradient(from var(--border-angle, 0deg), #00f0ff, #8b5cf6, #00f0ff);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: rotate-border 4s linear infinite;
    pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
    body.app-shell::before,
    body.app-shell::after,
    body.app-shell .sidebar::after,
    body.app-shell .top-bar::before {
        animation: none !important;
    }
    body.app-shell .pointer-glow,
    body.app-shell .pointer-glow--lag {
        display: none !important;
    }
    body.app-shell .notification-badge {
        animation: none !important;
    }
    .rotating-border::before {
        animation: none !important;
    }
    #boot-sequence { display: none !important; }
}