:root {
    /* 主题0：Cyan (提取自碧青 #5CB3CC) */
    --primary: #5CB3CC; 
    --primary-light: #8CE0F8;
    --bg-color-1: #e3f4fb; 
    --bg-color-2: #cbeaf5; 
    --bg-color-3: #92d5e9; 
    
    --sidebar-bg: rgba(248, 253, 255, 0.62);
    --card-bg: rgba(255, 255, 255, 0.72);
    --card-border: rgba(255, 255, 255, 0.74);
    --card-shadow: 0 12px 28px rgba(52, 108, 127, 0.08);
    --panel-highlight: rgba(255, 255, 255, 0.38);
    
    --text: #1e2e33;
    --text2: #5b7982;
    --border: rgba(92, 179, 204, 0.2);
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
}

[data-theme="sakura"] {
    --primary: #e91e63; --primary-light: #f48fb1;
    --bg-color-1: #fff0f5; --bg-color-2: #fce4ec; --bg-color-3: #f8bbd0;
    --sidebar-bg: rgba(255, 247, 250, 0.68);
    --card-bg: rgba(255, 250, 252, 0.76);
    --card-border: rgba(255, 255, 255, 0.78);
    --panel-highlight: rgba(255, 255, 255, 0.44);
    --border: rgba(233, 30, 99, 0.15);
}

[data-theme="ocean"] {
    --primary: #3b82f6; --primary-light: #93c5fd;
    --bg-color-1: #eef2ff; --bg-color-2: #e0e7ff; --bg-color-3: #c7d2fe;
    --sidebar-bg: rgba(248, 251, 255, 0.68);
    --card-bg: rgba(252, 253, 255, 0.76);
    --card-border: rgba(255, 255, 255, 0.78);
    --panel-highlight: rgba(255, 255, 255, 0.42);
    --border: rgba(59, 130, 246, 0.15);
}

[data-theme="mint"] {
    --primary: #10b981; --primary-light: #6ee7b7;
    --bg-color-1: #ecfdf5; --bg-color-2: #d1fae5; --bg-color-3: #a7f3d0;
    --sidebar-bg: rgba(248, 255, 251, 0.68);
    --card-bg: rgba(252, 255, 253, 0.76);
    --card-border: rgba(255, 255, 255, 0.78);
    --panel-highlight: rgba(255, 255, 255, 0.42);
    --border: rgba(16, 185, 129, 0.15);
}

[data-theme="violet"] {
    --primary: #8b5cf6; --primary-light: #c4b5fd;
    --bg-color-1: #f5f3ff; --bg-color-2: #ede9fe; --bg-color-3: #ddd6fe;
    --sidebar-bg: rgba(251, 250, 255, 0.68);
    --card-bg: rgba(253, 252, 255, 0.76);
    --card-border: rgba(255, 255, 255, 0.78);
    --panel-highlight: rgba(255, 255, 255, 0.42);
    --border: rgba(139, 92, 246, 0.15);
}

[data-theme="sunset"] {
    --primary: #f97316; --primary-light: #fdba74;
    --bg-color-1: #fff7ed; --bg-color-2: #ffedd5; --bg-color-3: #fed7aa;
    --sidebar-bg: rgba(255, 250, 245, 0.68);
    --card-bg: rgba(255, 252, 248, 0.76);
    --card-border: rgba(255, 255, 255, 0.8);
    --panel-highlight: rgba(255, 255, 255, 0.46);
    --border: rgba(249, 115, 22, 0.15);
}

[data-theme="dark"] {
    --primary: #5CB3CC; --primary-light: #8CE0F8;
    --bg-color-1: #091317; --bg-color-2: #122830; --bg-color-3: #0c1a1f;
    --sidebar-bg: rgba(15, 23, 42, 0.55);
    --card-bg: rgba(20, 30, 45, 0.65);
    --card-border: rgba(255, 255, 255, 0.05);
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --panel-highlight: rgba(255, 255, 255, 0.04);
    --text: #f0f6f8; --text2: #8aa6af;
    --border: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] body::before {
    background:
        radial-gradient(44% 36% at 18% 18%, rgba(92, 179, 204, 0.12) 0%, rgba(92, 179, 204, 0.05) 28%, transparent 62%),
        radial-gradient(34% 28% at 78% 16%, rgba(140, 224, 248, 0.06) 0%, transparent 68%),
        radial-gradient(42% 38% at 58% 72%, rgba(9, 19, 23, 0.0) 0%, rgba(9, 19, 23, 0.18) 44%, transparent 78%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 22%, transparent 100%);
    filter: blur(18px) saturate(96%);
}

[data-theme="dark"] body::after {
    background-image:
        url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='paperNoise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='3' seed='8'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23paperNoise)' opacity='0.7'/%3E%3C/svg%3E"),
        radial-gradient(52% 44% at 68% 62%, rgba(92, 179, 204, 0.08) 0%, transparent 72%),
        repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.015) 0 1px, transparent 1px 6px);
    background-size: 240px 240px, auto, 12px 12px;
    opacity: 0.14;
    mix-blend-mode: normal;
}

[data-theme="dark"] .app-container::after {
    background:
        linear-gradient(180deg, rgba(92, 179, 204, 0.04) 0%, transparent 18%),
        radial-gradient(46% 34% at 50% 0%, rgba(140, 224, 248, 0.06) 0%, transparent 70%);
}

[data-theme="dark"] .panel-container::before {
    background:
        linear-gradient(180deg, rgba(92, 179, 204, 0.04) 0%, transparent 16%),
        radial-gradient(42% 24% at 8% 0%, rgba(92, 179, 204, 0.05) 0%, transparent 78%);
}

[data-theme="dark"] .sidebar {
    background: linear-gradient(180deg, rgba(18, 27, 40, 0.92) 0%, rgba(15, 23, 42, 0.82) 100%);
    border-right-color: rgba(255, 255, 255, 0.06);
    box-shadow: 1px 0 0 rgba(255, 255, 255, 0.04);
}

[data-theme="dark"] .topbar {
    background: linear-gradient(180deg, rgba(20, 31, 46, 0.94) 0%, rgba(16, 25, 38, 0.86) 100%);
    border-bottom-color: rgba(255, 255, 255, 0.06);
}

[data-theme="sakura"] body::before,
[data-theme="ocean"] body::before,
[data-theme="mint"] body::before,
[data-theme="violet"] body::before,
[data-theme="sunset"] body::before {
    background:
        radial-gradient(44% 36% at 12% 18%, color-mix(in srgb, var(--primary) 12%, white 10%) 0%, color-mix(in srgb, var(--primary) 7%, transparent) 32%, transparent 70%),
        radial-gradient(42% 38% at 76% 70%, color-mix(in srgb, var(--bg-color-3) 26%, transparent) 0%, color-mix(in srgb, var(--bg-color-3) 12%, transparent) 42%, transparent 76%),
        radial-gradient(34% 28% at 78% 16%, color-mix(in srgb, white 16%, transparent) 0%, transparent 70%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.03) 26%, transparent 100%);
    filter: blur(18px) saturate(104%);
}

[data-theme="sakura"] body::after,
[data-theme="ocean"] body::after,
[data-theme="mint"] body::after,
[data-theme="violet"] body::after,
[data-theme="sunset"] body::after {
    background-image:
        url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='paperNoise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='3' seed='8'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23paperNoise)' opacity='0.7'/%3E%3C/svg%3E"),
        radial-gradient(48% 42% at 68% 60%, color-mix(in srgb, var(--primary) 12%, transparent) 0%, transparent 74%),
        radial-gradient(42% 36% at 24% 30%, rgba(255, 255, 255, 0.12) 0%, transparent 76%),
        repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 6px);
    opacity: 0.16;
}

[data-theme="sakura"] .app-container::after,
[data-theme="ocean"] .app-container::after,
[data-theme="mint"] .app-container::after,
[data-theme="violet"] .app-container::after,
[data-theme="sunset"] .app-container::after {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, transparent 20%),
        radial-gradient(42% 30% at 50% 0%, color-mix(in srgb, var(--primary) 10%, transparent) 0%, transparent 72%);
}

[data-theme="sakura"] .panel-container::before,
[data-theme="ocean"] .panel-container::before,
[data-theme="mint"] .panel-container::before,
[data-theme="violet"] .panel-container::before,
[data-theme="sunset"] .panel-container::before {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, transparent 16%),
        radial-gradient(38% 22% at 8% 0%, color-mix(in srgb, var(--primary) 8%, transparent) 0%, transparent 78%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    min-height: 100vh;
    background:
        linear-gradient(180deg, var(--bg-color-1) 0%, color-mix(in srgb, var(--bg-color-1) 48%, var(--bg-color-2)) 18%, color-mix(in srgb, var(--bg-color-2) 56%, var(--bg-color-3)) 52%, var(--bg-color-3) 100%);
    position: relative;
    overflow: hidden;
    transition: background 0.5s ease;
}

html, body {
    height: 100%;
}

/* ==========================================
   背景层：碧青宣纸感水彩纹理
========================================== */
body::before {
    content: "";
    position: fixed;
    inset: -8%;
    background: 
        radial-gradient(36% 34% at 12% 18%, rgba(255, 255, 255, 0.72) 0%, rgba(255, 255, 255, 0.28) 42%, transparent 70%),
        radial-gradient(30% 28% at 76% 14%, color-mix(in srgb, white 36%, transparent) 0%, color-mix(in srgb, white 10%, transparent) 48%, transparent 75%),
        radial-gradient(34% 36% at 22% 78%, color-mix(in srgb, var(--bg-color-3) 36%, transparent) 0%, color-mix(in srgb, var(--bg-color-3) 14%, transparent) 46%, transparent 74%),
        radial-gradient(28% 30% at 72% 72%, color-mix(in srgb, var(--primary) 22%, transparent) 0%, color-mix(in srgb, var(--primary) 10%, transparent) 44%, transparent 72%),
        radial-gradient(24% 24% at 48% 40%, rgba(255, 255, 255, 0.3) 0%, transparent 72%),
        radial-gradient(18% 20% at 88% 58%, color-mix(in srgb, var(--bg-color-2) 26%, transparent) 0%, transparent 70%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0.03) 30%, transparent 100%);
    filter: blur(10px) saturate(110%);
    animation: paperBloom 40s infinite alternate ease-in-out;
    z-index: -2;
    pointer-events: none;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    background-image:
        url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='paperNoise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='3' seed='8'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23paperNoise)' opacity='0.7'/%3E%3C/svg%3E"),
        radial-gradient(60% 55% at 20% 30%, rgba(255, 255, 255, 0.18) 0%, transparent 72%),
        radial-gradient(38% 32% at 76% 68%, rgba(255, 255, 255, 0.12) 0%, transparent 76%),
        repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 6px);
    background-size: 240px 240px, auto, auto, 12px 12px;
    opacity: 0.2; 
    z-index: -1;
    pointer-events: none;
    mix-blend-mode: soft-light;
}

@keyframes paperBloom {
    0% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(1.2%, -0.8%, 0) scale(1.018); }
    100% { transform: translate3d(-1%, 1.4%, 0) scale(1.03); }
}

/* 布局结构 */
.app-container {
    display: flex;
    min-height: 100vh;
    height: 100vh;
    position: relative;
}

.app-container::after {
    content: '';
    position: fixed;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, transparent 22%),
        radial-gradient(50% 40% at 50% 0%, rgba(255, 255, 255, 0.2) 0%, transparent 74%);
    pointer-events: none;
    z-index: -1;
}

/* 侧栏导航 */
.sidebar {
    width: 220px;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background: linear-gradient(180deg, color-mix(in srgb, var(--sidebar-bg) 92%, white) 0%, var(--sidebar-bg) 100%);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-right: 1px solid var(--card-border);
    box-shadow: 1px 0 0 rgba(255, 255, 255, 0.24);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: width 0.3s ease;
}

.sidebar-header {
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.sidebar-logo {
    color: var(--primary);
    animation: breathe 3s infinite ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-logo,
.login-logo {
    display: none;
}

.brand-block {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    width: 100%;
}

@keyframes breathe {
    0%, 100% { transform: scale(1.0); }
    50% { transform: scale(1.05); }
}

.sidebar-title {
    font-weight: 700;
    font-size: 17px;
    color: var(--text);
    white-space: nowrap;
    line-height: 1.1;
}

.sidebar-version {
    font-size: 11px;
    background: var(--primary);
    color: white;
    padding: 4px 10px;
    border-radius: 999px;
    vertical-align: middle;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
}

.nav-menu {
    flex: 1;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow: hidden;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 44px;
    padding: 0 16px;
    border-radius: 8px;
    color: var(--text2);
    cursor: pointer;
    transition: background-color 0.24s ease, color 0.24s ease, transform 0.2s ease, box-shadow 0.2s ease;
    border: none;
    background: transparent;
    font-size: 14px;
    font-family: inherit;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.nav-item:active {
    transform: scale(0.98);
}

.nav-item .icon,
.nav-item > span:last-child {
    transform: translateX(0);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-item:hover {
    background: color-mix(in srgb, var(--primary) 8%, transparent);
    color: var(--primary);
}

.nav-item.active {
    background: color-mix(in srgb, var(--primary) 15%, transparent);
    color: var(--primary);
    font-weight: 600;
    box-shadow: inset 3px 0 0 var(--primary);
}

.nav-item.active .icon,
.nav-item.active > span:last-child {
    transform: translateX(1px);
}

/* 侧栏底部：主题菜单 */
.sidebar-footer {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-top: 1px solid var(--border);
}

.menu-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 10px 16px;
    border-radius: 8px;
    color: var(--text2);
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    background: transparent;
    font-size: 14px;
    font-family: inherit;
    text-align: left;
}

.menu-btn:hover {
    background: color-mix(in srgb, var(--text) 8%, transparent);
    color: var(--text);
}

.logout-btn:hover {
    color: var(--danger);
    background: color-mix(in srgb, var(--danger) 8%, transparent);
}

.icon-expand {
    margin-left: auto;
    display: flex;
    align-items: center;
    color: var(--text2);
    transition: transform 0.3s ease;
}

.theme-menu-container {
    position: relative;
    width: 100%;
}

.theme-options {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, margin-top 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.theme-options.show {
    max-height: 300px;
    margin-top: 4px;
}

.theme-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px 8px 44px;
    border-radius: 8px;
    font-size: 13px;
    color: var(--text2);
    cursor: pointer;
    transition: all 0.2s;
}

.theme-option:hover {
    background: color-mix(in srgb, var(--text) 5%, transparent);
    color: var(--text);
}

.theme-option.active {
    background: color-mix(in srgb, var(--primary) 12%, transparent);
    color: var(--primary);
    font-weight: 600;
}

.color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    box-shadow: 0 0 0 1px rgba(128, 128, 128, 0.2);
}

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: 220px;
    min-height: 100vh;
    height: 100vh;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    transition: margin-left 0.3s ease;
}

.topbar {
    height: 56px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--sidebar-bg) 94%, white) 0%, var(--sidebar-bg) 100%);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    position: sticky;
    top: 0;
    z-index: 90;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    border-bottom: 1px solid var(--card-border);
}

.breadcrumb {
    font-size: 15px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-link {
    appearance: none;
    border: none;
    background: transparent;
    color: var(--text);
    font: inherit;
    padding: 0;
    cursor: pointer;
    text-decoration: none;
    transition: color 0.2s ease, opacity 0.2s ease;
}

.breadcrumb-link:hover {
    color: var(--primary);
}

.breadcrumb-link:focus-visible {
    outline: 2px solid color-mix(in srgb, var(--primary) 35%, transparent);
    outline-offset: 4px;
    border-radius: 4px;
}

.breadcrumb.crumb-enter {
    animation: crumbEnter 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes crumbEnter {
    from { opacity: 0; transform: translateX(3px); }
    to { opacity: 1; transform: translateX(0); }
}

.breadcrumb-separator {
    color: var(--text2);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.panel-container {
    padding: 24px;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
    height: calc(100vh - 56px);
    position: relative;
    will-change: opacity, transform;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.2s cubic-bezier(0.22, 1, 0.36, 1), transform 0.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.panel-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.14) 0%, transparent 18%),
        radial-gradient(48% 28% at 8% 0%, rgba(255, 255, 255, 0.16) 0%, transparent 80%);
    pointer-events: none;
    z-index: -1;
}

.panel-container.tab-transition { animation: none; }
.panel-container.is-leaving { opacity: 0; transform: translateY(3px); }
.panel-container.is-entering { animation: panelEnter 0.26s cubic-bezier(0.22, 1, 0.36, 1); }

@keyframes panelEnter {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 登录页重构 */
.login-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: transparent; /* 背景由 body 统一接管 */
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 1000;
}

.login-box {
    background: linear-gradient(180deg, color-mix(in srgb, var(--card-bg) 92%, white) 0%, var(--card-bg) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 40px;
    width: 380px;
    text-align: center;
    box-shadow: var(--card-shadow);
}

.login-header { margin-bottom: 30px; }
.login-logo { color: var(--primary); margin-bottom: 16px; animation: breathe 3s infinite ease-in-out; }
.login-title { font-size: 24px; font-weight: 700; color: var(--primary); }

.login-input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--card-border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.4);
    color: var(--text);
    margin-bottom: 20px;
    outline: none;
    font-size: 15px;
    transition: all 0.2s ease;
}

[data-theme="dark"] .login-input { background: rgba(0, 0, 0, 0.2); }

.login-input:focus {
    background: rgba(255, 255, 255, 0.7);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 25%, transparent);
}
[data-theme="dark"] .login-input:focus { background: rgba(0, 0, 0, 0.4); }

.login-btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px color-mix(in srgb, var(--primary) 30%, transparent);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px color-mix(in srgb, var(--primary) 40%, transparent);
}
.login-btn:active { transform: translateY(0); }
.login-error { color: var(--danger); margin-top: 16px; font-size: 13px; min-height: 20px; animation: fadeIn 0.3s ease; }

/* 按钮系统 */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 6px; padding: 8px 16px; border: none; border-radius: 8px;
    cursor: pointer; font-size: 13px; font-weight: 500;
    transition: all 0.2s ease; font-family: inherit; white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }
.btn-primary { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); color: white; box-shadow: 0 2px 6px color-mix(in srgb, var(--primary) 20%, transparent); }
.btn-primary:hover:not(:disabled) { filter: brightness(1.1); transform: translateY(-1px); box-shadow: 0 4px 8px color-mix(in srgb, var(--primary) 30%, transparent); }
.btn-secondary { background: color-mix(in srgb, var(--card-bg) 50%, transparent); color: var(--primary); border: 1px solid var(--primary); }
.btn-secondary:hover:not(:disabled) { background: color-mix(in srgb, var(--primary) 10%, transparent); }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover:not(:disabled) { filter: brightness(1.1); transform: translateY(-1px); box-shadow: 0 2px 8px color-mix(in srgb, var(--danger) 30%, transparent); }
.btn-ghost { background: transparent; color: var(--primary); }
.btn-ghost:hover:not(:disabled) { background: color-mix(in srgb, var(--primary) 10%, transparent); }

/* 全局卡片毛玻璃提取 */
.stat-card, .buffer-card, .user-profile-card, .table-container, 
.prompt-card, .editor-container {
    background: linear-gradient(180deg, color-mix(in srgb, var(--card-bg) 94%, white) 0%, var(--card-bg) 100%);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
    border-radius: 12px;
}

/* 仪表盘页 */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 24px; }
.stat-card {
    padding: 24px; text-align: center;
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.28s ease, border-color 0.28s ease, background-color 0.28s ease;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
}
.prompt-card, .buffer-card, .debug-card, .memory-vault-section {
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.28s ease, border-color 0.28s ease, background-color 0.28s ease;
}
.stat-card:hover, .prompt-card:hover, .buffer-card:hover, .debug-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 30px color-mix(in srgb, var(--primary) 12%, transparent);
    border-color: color-mix(in srgb, var(--primary) 26%, var(--card-border));
    background: linear-gradient(180deg, color-mix(in srgb, var(--card-bg) 97%, white) 0%, color-mix(in srgb, var(--card-bg) 92%, var(--panel-highlight)) 100%);
}
.stat-card .num { font-size: 32px; font-weight: 700; color: var(--primary); }
.stat-card .label { font-size: 13px; color: var(--text2); }

/* 表格与列表 */
.table-container { overflow: hidden; margin-top: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: color-mix(in srgb, var(--primary) 5%, transparent); color: var(--text2); font-size: 12px; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; }
tbody tr { transition: background 0.2s ease; }
tbody tr:nth-child(even) { background: color-mix(in srgb, var(--text) 2%, transparent); }
tbody tr:hover { background: color-mix(in srgb, var(--primary) 6%, transparent); }

/* 记忆区块卡片 */
.memory-vault-section { margin-top: 24px; background: linear-gradient(180deg, color-mix(in srgb, var(--card-bg) 94%, white) 0%, var(--card-bg) 100%); backdrop-filter: blur(14px); border: 1px solid var(--card-border); border-radius: 12px; box-shadow: var(--card-shadow); overflow: hidden; }
.vault-header { padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; border-bottom: 1px solid var(--border); transition: background 0.2s; }
.vault-header:hover { background: color-mix(in srgb, var(--text) 3%, transparent); }
.vault-header-static { cursor: default; }
.vault-header-static:hover { background: transparent; }
.vault-title { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.vault-badge { background: color-mix(in srgb, var(--primary) 10%, transparent); color: var(--primary); padding: 2px 8px; border-radius: 12px; font-size: 12px; }
.vault-content { padding: 16px; display: flex; flex-direction: column; gap: 12px; }

.block-card { background: color-mix(in srgb, var(--card-bg) 68%, white); border: 1px solid var(--border); border-radius: 10px; padding: 16px; position: relative; box-shadow: 0 4px 10px rgba(0,0,0,0.03); transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease; overflow: hidden; }
.block-card:hover { transform: translateY(-2px); box-shadow: 0 8px 18px rgba(52, 108, 127, 0.08); border-color: color-mix(in srgb, var(--primary) 24%, var(--border)); }
.block-card::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; }
.block-card.fade-0::before { background: var(--success); }
.block-card.fade-1::before { background: var(--warning); }
.block-card.fade-2::before { background: var(--danger); }
.block-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 8px; }
.block-id-badge { background: var(--primary); color: white; padding: 2px 8px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.block-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text2); }
.meta-item { display: flex; align-items: center; gap: 4px; }
.block-directory { font-size: 14px; font-weight: 500; margin-bottom: 8px; word-break: break-all; }
.block-detail-toggle { color: var(--primary); font-size: 12px; cursor: pointer; display: inline-flex; align-items: center; gap: 4px; user-select: none; }
.block-detail-content { margin-top: 12px; padding: 12px; background: color-mix(in srgb, var(--text) 3%, transparent); border-radius: 8px; font-size: 13px; font-family: 'Courier New', Courier, monospace; white-space: pre-wrap; max-height: 0; overflow: hidden; transition: max-height 0.3s ease; opacity: 0; }
.block-detail-content.show { max-height: 500px; opacity: 1; }
.block-actions { position: absolute; right: 16px; top: 16px; opacity: 0; transition: opacity 0.2s ease; }
.block-card:hover .block-actions { opacity: 1; }

/* 缓冲区卡片 */
.buffer-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 16px; }
.buffer-card { padding: 20px; display: flex; justify-content: space-between; align-items: center; position: relative; overflow: hidden; }
.buffer-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255, 255, 255, 0.18) 0%, transparent 42%); pointer-events: none; }
.buffer-card::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; }
.buffer-card.type-private::before { background: var(--primary); }
.buffer-card.type-group::before { background: var(--success); }
.buffer-info { display: flex; flex-direction: column; gap: 8px; min-width: 0; flex: 1; }
.buffer-title { font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px; word-break: break-word; overflow-wrap: anywhere; line-height: 1.35; flex-wrap: wrap; }
.buffer-type-badge { font-size: 11px; padding: 2px 8px; border-radius: 12px; }
.buffer-type-badge.private { background: color-mix(in srgb, var(--primary) 10%, transparent); color: var(--primary); }
.buffer-type-badge.group { background: color-mix(in srgb, var(--success) 10%, transparent); color: var(--success); }
.buffer-count { font-size: 21px; font-weight: 700; color: var(--text); }
.buffer-meta { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.buffer-count-label { font-size: 12px; color: var(--text2); font-weight: normal; }
.buffer-actions { display: flex; flex-direction: column; gap: 8px; justify-content: center; align-items: stretch; width: 104px; flex: 0 0 104px; }
.buffer-actions .btn { width: 100%; min-width: 0; flex: 0 0 auto; }

/* 聊天气泡 */
.chat-container { display: flex; flex-direction: column; gap: 16px; padding: 20px; background: var(--card-bg); backdrop-filter: blur(20px); border: 1px solid var(--card-border); border-radius: 12px; box-shadow: var(--card-shadow); margin-top: 16px; }
.chat-bubble-wrapper { display: flex; flex-direction: column; max-width: 80%; }
.chat-bubble-wrapper.user { align-self: flex-start; }
.chat-bubble-wrapper.assistant { align-self: flex-end; align-items: flex-end; }
.chat-meta { font-size: 11px; color: var(--text2); margin-bottom: 4px; display: flex; gap: 8px; }
.chat-bubble { padding: 12px 16px; border-radius: 12px; font-size: 14px; line-height: 1.5; word-break: break-word; }
.chat-bubble-wrapper.user .chat-bubble { background: color-mix(in srgb, var(--text) 6%, transparent); color: var(--text); border-bottom-left-radius: 4px; }
.chat-bubble-wrapper.assistant .chat-bubble { background: color-mix(in srgb, var(--primary) 12%, transparent); color: var(--primary); border-bottom-right-radius: 4px; }

/* Prompt 编辑器 */
.prompt-card { padding: 20px; margin-bottom: 16px; cursor: pointer; position: relative; overflow: hidden; }
.prompt-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255, 255, 255, 0.22) 0%, transparent 46%); pointer-events: none; }
.prompt-custom-dot { position: absolute; top: 20px; right: 20px; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); }
.editor-container { padding: 20px; margin-top: 16px; }
.editor-toolbar { display: flex; gap: 8px; margin-bottom: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.code-editor-area { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.code-lines { background: color-mix(in srgb, var(--text) 3%, transparent); padding: 12px 8px; color: var(--text2); font-family: 'Courier New', Courier, monospace; font-size: 13px; text-align: right; user-select: none; border-right: 1px solid var(--border); white-space: pre; }
.code-textarea { flex: 1; border: none; padding: 12px; font-family: 'Courier New', Courier, monospace; font-size: 13px; line-height: 1.5; background: rgba(255, 255, 255, 0.4); color: var(--text); resize: vertical; outline: none; min-height: 300px; }
[data-theme="dark"] .code-textarea { background: rgba(0,0,0,0.1); }
.code-textarea:focus { background: rgba(255,255,255,0.7); }
[data-theme="dark"] .code-textarea:focus { background: rgba(0,0,0,0.3); }
.default-value-area { margin-top: 16px; background: color-mix(in srgb, var(--text) 3%, transparent); border-radius: 8px; padding: 16px; font-family: 'Courier New', Courier, monospace; font-size: 12px; color: var(--text2); white-space: pre-wrap; display: none; }

/* 调试工具卡片 */
.debug-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.debug-card { background: linear-gradient(180deg, color-mix(in srgb, var(--card-bg) 94%, white) 0%, var(--card-bg) 100%); backdrop-filter: blur(14px); border: 1px solid var(--card-border); border-radius: 12px; padding: 20px; cursor: pointer; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 12px; overflow: hidden; position: relative; }
.debug-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 40%); pointer-events: none; }
.debug-card-icon { color: var(--primary); background: color-mix(in srgb, var(--primary) 10%, transparent); padding: 12px; border-radius: 50%; }
.debug-card-title { font-weight: 600; color: var(--text); }
.debug-card-desc { font-size: 12px; color: var(--text2); }
.json-panel { font-size: 12px; color: var(--text2); }
.json-panel { white-space: pre-wrap; word-break: break-word; margin: 0; padding: 12px; border-radius: 8px; background: color-mix(in srgb, var(--text) 3%, transparent); border: 1px solid var(--border); color: var(--text); }

/* 模型测试中心 */
.model-test-center { display: flex; flex-direction: column; gap: 20px; }
.model-test-toolbar { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.model-test-toolbar-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.model-test-config-grid, .model-test-section-grid { display: grid; gap: 16px; }
.model-test-config-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-top: 16px; }
.model-test-section-grid { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }
.model-test-section-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
}
.model-test-section-card .vault-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    min-height: 0;
}
.model-test-config-block { padding: 14px; border-radius: 10px; border: 1px solid var(--border); background: color-mix(in srgb, var(--card-bg) 88%, var(--primary) 5%); }
.model-test-config-title, .model-test-chain-label { font-size: 12px; color: var(--text2); margin-bottom: 8px; }
.model-test-chain {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-content: flex-start;
    min-height: 56px;
}
.model-chain-empty, .model-test-empty, .model-test-aggregate-empty { color: var(--text2); font-size: 13px; }
.model-test-controls {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-content: flex-start;
    min-height: 0;
}
.model-test-controls label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text2); min-width: 120px; flex: 1; }
.model-test-input-inline { margin: 0; min-width: 0; }
.user-edit-textarea.model-test-textarea {
    min-height: 320px;
    height: 460px;
    max-height: 460px;
    resize: none !important;
    overflow: auto;
    font-family: 'Courier New', Courier, monospace;
}
.model-test-actions, .model-test-result-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.model-test-actions { min-height: 42px; align-items: center; }
.model-test-section-card [id$="Result"] {
    margin-top: auto;
    min-height: 24px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}
.model-test-result-meta { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; color: var(--text2); font-size: 12px; margin-bottom: 10px; }
.model-test-status { display: inline-flex; align-items: center; justify-content: center; min-width: 72px; padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 700; letter-spacing: 0.4px; }
.btn-spinner { display: inline-flex; align-items: center; justify-content: center; }
.btn-spinner svg { width: 16px; height: 16px; }
.model-test-status.success { background: color-mix(in srgb, var(--success) 15%, transparent); color: var(--success); }
.model-test-status.failed { background: color-mix(in srgb, var(--danger) 14%, transparent); color: var(--danger); }
.model-test-status.skipped { background: color-mix(in srgb, var(--warning) 14%, transparent); color: var(--warning); }
.model-test-json { max-height: 360px; overflow: auto; }
.model-test-runtime-hint { color: var(--text2); font-size: 12px; }
.model-test-runtime-status { margin-top: 4px; }
.model-test-aggregate-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-top: 10px; }
.model-test-runall-list { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.model-test-runall-item { border: 1px solid var(--border); border-radius: 10px; background: color-mix(in srgb, var(--card-bg) 86%, var(--primary) 4%); overflow: hidden; }
.model-test-runall-item summary { list-style: none; display: flex; align-items: center; gap: 10px; padding: 12px 14px; cursor: pointer; flex-wrap: wrap; }
.model-test-runall-item summary::-webkit-details-marker { display: none; }
.model-test-runall-name { font-weight: 600; color: var(--text); }
.model-test-runall-brief { color: var(--text2); font-size: 12px; word-break: break-all; }
.model-test-runall-item .json-panel { margin: 0 12px 12px; }

/* 用户详情页卡片 */
.user-profile-card { padding: 24px; margin-bottom: 24px; display: flex; gap: 24px; }
.user-profile-main { flex: 1; }
.user-edit-section { margin-bottom: 20px; }
.user-edit-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.user-edit-header h4 { font-size: 15px; color: var(--text); }
.user-edit-hint { font-size: 12px; color: var(--text2); }
.user-edit-textarea { width: 100%; min-height: 120px; border: 1px solid var(--card-border); border-radius: 8px; padding: 12px; background: rgba(255, 255, 255, 0.4); color: var(--text); resize: vertical; outline: none; font-size: 14px; line-height: 1.6; font-family: inherit; transition: box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease; }
[data-theme="dark"] .user-edit-textarea { background: rgba(0, 0, 0, 0.2); }
.user-edit-textarea:focus { border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 14%, transparent); background: rgba(255, 255, 255, 0.7); }
[data-theme="dark"] .user-edit-textarea:focus { background: rgba(0, 0, 0, 0.4); }
.relationship-textarea { min-height: 160px; }
.field-counter { margin-top: 8px; text-align: right; font-size: 12px; color: var(--text2); }
.user-profile-actions { display: flex; flex-direction: column; gap: 12px; width: 200px; }
.pill-badge { display: inline-flex; align-items: center; gap: 6px; background: color-mix(in srgb, var(--primary) 15%, transparent); color: var(--primary); padding: 4px 12px; border-radius: 16px; font-size: 13px; font-weight: 500; }
.pill-delete { cursor: pointer; opacity: 0.6; }
.pill-delete:hover { opacity: 1; }

/* 加载与Toast */
.skeleton { position: relative; overflow: hidden; background-color: color-mix(in srgb, var(--text) 5%, transparent); border-radius: 8px; }
.skeleton::after { position: absolute; top: 0; right: 0; bottom: 0; left: 0; transform: translateX(-100%); background-image: linear-gradient(90deg, transparent 0, rgba(255, 255, 255, 0.2) 20%, rgba(255, 255, 255, 0.4) 60%, transparent); animation: shimmer 2s infinite; content: ''; }
@keyframes shimmer { 100% { transform: translateX(100%); } }
.loading-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(255, 255, 255, 0.5); backdrop-filter: blur(4px); display: flex; justify-content: center; align-items: center; z-index: 2000; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
[data-theme="dark"] .loading-overlay { background: rgba(0, 0, 0, 0.5); }
.loading-overlay.active { opacity: 1; visibility: visible; }
.spinner { color: var(--primary); animation: spin 1s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.toast-container { position: fixed; top: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 12px; }
.toast { background: var(--card-bg); backdrop-filter: blur(20px); border: 1px solid var(--card-border); box-shadow: 0 4px 16px rgba(0,0,0,0.1); border-radius: 8px; padding: 16px; display: flex; align-items: center; gap: 12px; min-width: 300px; position: relative; overflow: hidden; transform: translateX(120%); animation: toastSlideIn 0.3s forwards ease; }
.toast.hiding { animation: toastSlideOut 0.3s forwards ease; }
.toast::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; }
.toast.success::before { background: var(--success); }
.toast.success .toast-icon { color: var(--success); }
.toast.error::before { background: var(--danger); }
.toast.error .toast-icon { color: var(--danger); }
.toast.warning::before { background: var(--warning); }
.toast.warning .toast-icon { color: var(--warning); }
.toast-content { color: var(--text); font-size: 14px; flex: 1; }
@keyframes toastSlideIn { to { transform: translateX(0); } }
@keyframes toastSlideOut { to { transform: translateX(120%); } }

/* 响应式适配 */
.mobile-menu-btn { display: none; background: transparent; border: none; color: var(--text); cursor: pointer; padding: 8px; }

@media (max-width: 768px) {
    .sidebar { width: 64px; }
    .sidebar-title, .sidebar-version, .nav-item span:not(.icon), .menu-text { display: none; }
    .nav-item { justify-content: center; padding: 0; }
    .nav-item.active::before { display: none; }
    .menu-btn { justify-content: center; padding: 10px 0; }
    .icon-expand { display: none; }
    .theme-option { justify-content: center; padding: 10px 0; }
    .main-content { margin-left: 64px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .table-container { overflow-x: auto; }
    .user-profile-card { flex-direction: column; }
    .user-profile-actions { width: 100%; flex-direction: row; flex-wrap: wrap; }
    .buffer-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
    .model-test-section-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.mobile-open { transform: translateX(0); width: 220px; }
    .sidebar.mobile-open .sidebar-title, 
    .sidebar.mobile-open .sidebar-version, 
    .sidebar.mobile-open .nav-item span:not(.icon),
    .sidebar.mobile-open .menu-text { display: inline; }
    .sidebar.mobile-open .nav-item { justify-content: flex-start; padding: 0 16px; }
    .sidebar.mobile-open .menu-btn { justify-content: flex-start; padding: 10px 16px; }
    .sidebar.mobile-open .icon-expand { display: flex; }
    .sidebar.mobile-open .theme-option { justify-content: flex-start; padding: 8px 12px 8px 44px; }
    .main-content { margin-left: 0; }
    .mobile-menu-btn { display: block; }
    .stats-grid { grid-template-columns: 1fr; }
    .debug-cards { grid-template-columns: 1fr 1fr; }
    .buffer-card { flex-direction: column; align-items: stretch; gap: 12px; }
    .buffer-grid { grid-template-columns: 1fr; }
    .buffer-actions { width: 100%; flex: 0 0 auto; flex-direction: row; justify-content: flex-start; align-items: center; min-width: 0; flex-wrap: wrap; }
    .buffer-actions .btn { width: auto; min-width: 92px; }
    .model-test-toolbar-actions, .model-test-controls { flex-direction: column; }
    .model-test-config-grid, .model-test-aggregate-grid, .model-test-section-grid { grid-template-columns: 1fr; }
    .model-test-section-card { min-height: auto; }
    .model-test-chain,
    .model-test-controls,
    .model-test-section-card [id$="Result"] { min-height: auto; }
}

@media (prefers-reduced-motion: reduce) {
    body::before,
    .panel-container.tab-transition, .panel-container, .panel-container.is-entering, .panel-container.is-leaving, .breadcrumb.crumb-enter, .nav-item, .nav-item .icon, .nav-item > span:last-child, .nav-item.active::before,
    .stat-card, .prompt-card, .buffer-card, .debug-card, .block-card {
        animation: none !important;
        transition: none !important;
        transform: none !important;
    }
}