@import url("https://fonts.googleapis.com/css2?family=Domine:wght@400;600;700&family=Manrope:wght@400;500;600;700&display=swap");

/* 全局样式 */
:root {
    --app-ink: #1b2a32;
    --app-muted: #5a6670;
    --app-accent: #0f766e;
    --app-accent-strong: #0b5f59;
    --app-highlight: #f59e0b;
    --app-surface: #ffffff;
    --app-surface-muted: #f5f2ea;
    --app-glass: rgba(255, 255, 255, 0.82);
    --app-border: rgba(15, 118, 110, 0.18);
    --app-shadow: 0 20px 40px rgba(15, 23, 42, 0.14);
    --app-radius: 20px;
    --app-content-max: 1280px;
}

html {
    font-size: 14px;
    position: relative;
    min-height: 100%;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    font-family: "Manrope", "Noto Sans SC", "PingFang SC", sans-serif;
    margin: 0;
    padding: 0;
    color: var(--app-ink);
    background:
        radial-gradient(50rem 50rem at -10% -20%, rgba(255, 207, 140, 0.35), transparent 60%),
        radial-gradient(42rem 42rem at 120% 0%, rgba(112, 216, 206, 0.24), transparent 55%),
        linear-gradient(140deg, #f6f2ea 0%, #e5f2ef 100%);
    margin-bottom: 0;
}

/* 布局 */
.page {
    position: relative;
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    min-height: 100vh;
}

.main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.sidebar {
    background-image: linear-gradient(180deg, #0f3232 0%, #0c2530 55%, #102b3c 100%);
    width: 240px;
    min-height: 100vh;
    position: sticky;
    top: 0;
    overflow-y: auto;
    padding: 1rem 1rem 1.5rem;
    box-shadow: 12px 0 32px rgba(7, 14, 20, 0.28);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    color: #fff;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sidebar::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(255, 255, 255, 0.08), transparent 40%);
    pointer-events: none;
}

.top-row {
    background-color: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(15, 118, 110, 0.12);
    justify-content: center;
    height: 4.1rem;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    backdrop-filter: blur(12px);
    color: var(--app-muted);
    position: sticky;
    top: 0;
    z-index: 6;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.top-row-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: min(100%, var(--app-content-max));
    margin: 0 auto;
}

.top-title {
    font-family: "Domine", "Noto Serif SC", "Songti SC", serif;
    font-size: 1rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--app-ink);
}

.top-row.auth .user-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
}

.user-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: rgba(15, 118, 110, 0.12);
    border: 1px solid rgba(15, 118, 110, 0.2);
    color: var(--app-accent-strong);
    font-size: 0.9rem;
}

.user-label { opacity: 0.7; }
.user-name { font-weight: 700; }

.logout-button {
    border: 1px solid rgba(15, 118, 110, 0.35);
    color: var(--app-accent-strong);
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.9rem;
    text-decoration: none;
    background: transparent;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.logout-button:hover {
    background: rgba(15, 118, 110, 0.1);
    color: var(--app-accent-strong);
}

.login-link {
    color: var(--app-accent-strong);
    font-weight: 600;
    text-decoration: none;
}

.login-link:hover {
    text-decoration: underline;
    color: var(--app-accent-strong);
}

.content {
    padding: 2.25rem 2.5rem 2.75rem;
    width: min(100%, var(--app-content-max));
    margin: 0 auto;
    flex: 1;
    min-height: calc(100vh - 4.1rem - 60px);
}

h1, h2, h3 {
    font-family: "Domine", "Noto Serif SC", "Songti SC", serif;
}

.content h1 {
    font-size: clamp(1.8rem, 2.6vw, 2.4rem);
    margin-bottom: 1.25rem;
}

/* 侧栏导航 */
.nav-brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.4rem 0.4rem 1rem;
    position: relative;
    z-index: 1;
}

.nav-brand-left {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: linear-gradient(140deg, #0f766e, #34d399);
    box-shadow: 0 12px 28px rgba(15, 118, 110, 0.3);
}

.nav-brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.nav-kicker {
    font-size: 0.62rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
}

.nav-title {
    font-family: "Domine", "Noto Serif SC", "Songti SC", serif;
    font-size: 1.05rem;
    color: #fff;
}

.nav-toggle {
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.85);
    border-radius: 12px;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.nav-toggle .navbar-toggler-icon {
    width: 20px;
    height: 2px;
    background: rgba(255, 255, 255, 0.9);
    display: inline-block;
    border-radius: 999px;
    box-shadow: 0 -6px 0 rgba(255, 255, 255, 0.9), 0 6px 0 rgba(255, 255, 255, 0.9);
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    padding-top: 0.5rem;
    position: relative;
    z-index: 1;
}

.nav-links .oi {
    width: 1.4rem;
    font-size: 1.05rem;
    vertical-align: text-top;
    color: rgba(255, 255, 255, 0.7);
}

.nav-item {
    font-size: 0.92rem;
}

.nav-item .nav-link {
    color: rgba(255, 255, 255, 0.75);
    border-radius: 14px;
    height: 2.8rem;
    display: flex;
    align-items: center;
    padding: 0 1rem;
    margin: 0 0.2rem;
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.04);
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    text-decoration: none;
    position: relative;
    z-index: 2;
}

.nav-item .nav-link.active {
    background: linear-gradient(120deg, rgba(15, 118, 110, 0.55), rgba(56, 189, 248, 0.2));
    color: #fff;
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: inset 0 0 0 1px rgba(15, 118, 110, 0.4);
}

.nav-item .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.12);
    color: #fff;
    text-decoration: none;
}

.nav-group-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.4);
    padding: 1rem 1rem 0.4rem 1rem;
    text-transform: uppercase;
    user-select: none;
}

.nav-group-label:first-child {
    padding-top: 0.5rem;
}

/* 页脚 */
.site-footer {
    text-align: center;
    color: var(--app-muted);
    font-size: 0.85rem;
    padding: 1.25rem 1.5rem 1.75rem;
    letter-spacing: 0.04em;
}

/* 卡片 */
.card {
    background: var(--app-glass);
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius);
    box-shadow: var(--app-shadow);
    backdrop-filter: blur(10px);
    margin-bottom: 1rem;
}

.card-header {
    background: rgba(255, 255, 255, 0.7);
    border-bottom: 1px solid rgba(15, 118, 110, 0.12);
    font-weight: 600;
    padding: 1rem 1.5rem;
    border-radius: var(--app-radius) var(--app-radius) 0 0;
}

.card-header h3,
.card-header h5,
.card-title {
    margin: 0;
    font-family: "Domine", "Noto Serif SC", "Songti SC", serif;
}

.card-body {
    padding: 1.5rem;
}

/* 表格 */
.table {
    background-color: rgba(255, 255, 255, 0.92);
    border-radius: 16px;
    box-shadow: var(--app-shadow);
    overflow: hidden;
    border: 1px solid rgba(15, 118, 110, 0.12);
}

.table thead th {
    background: rgba(15, 118, 110, 0.08);
    border-bottom: 1px solid rgba(15, 118, 110, 0.2);
    color: var(--app-ink);
    font-weight: 600;
    padding: 0.85rem 0.75rem;
}

.table-striped tbody tr:nth-of-type(odd) {
    background: rgba(246, 242, 234, 0.65);
}

.table td, .table th {
    padding: 0.85rem 0.75rem;
    vertical-align: middle;
}

.table tbody tr:hover {
    background: rgba(15, 118, 110, 0.08);
}

/* 表单 */
.form-control, .form-select {
    border-radius: 12px;
    border: 1px solid rgba(15, 118, 110, 0.2);
    box-shadow: none;
    background: rgba(255, 255, 255, 0.92);
}

.form-control:focus, .form-select:focus {
    border-color: var(--app-accent);
    box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.form-label, label {
    color: var(--app-muted);
    font-weight: 600;
}

/* 按钮 */
.btn {
    border-radius: 12px;
    font-weight: 600;
    padding: 0.5rem 1rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--app-accent), #18b4a7);
    border: none;
    box-shadow: 0 12px 25px rgba(15, 118, 110, 0.22);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--app-accent-strong), #0f948b);
    transform: translateY(-1px);
    color: #fff;
}

.btn-outline-secondary {
    border-color: rgba(31, 42, 50, 0.25);
    color: var(--app-muted);
}

.btn-outline-secondary:hover {
    background: rgba(31, 42, 50, 0.05);
    color: var(--app-ink);
}

.btn-outline-primary {
    border-color: var(--app-accent);
    color: var(--app-accent-strong);
}

.btn-outline-primary:hover {
    background: rgba(15, 118, 110, 0.1);
    color: var(--app-accent-strong);
}

.btn-outline-danger:hover {
    background: rgba(220, 38, 38, 0.1);
}

.btn-outline-warning:hover {
    background: rgba(245, 158, 11, 0.1);
}

.btn-success {
    background: linear-gradient(135deg, #15803d, #22c55e);
    border: none;
    color: #fff;
}

.btn-danger {
    background: linear-gradient(135deg, #dc2626, #f87171);
    border: none;
    color: #fff;
}

/* 提示框 */
.alert {
    border-radius: 12px;
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(34, 197, 94, 0.12);
    border-color: rgba(34, 197, 94, 0.25);
    color: #15803d;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.25);
    color: #b91c1c;
}

.alert-info {
    background: rgba(15, 118, 110, 0.1);
    border-color: rgba(15, 118, 110, 0.25);
    color: var(--app-accent-strong);
}

/* 徽章 */
.badge {
    border-radius: 999px;
    font-weight: 600;
    padding: 0.3rem 0.6rem;
}

.bg-success {
    background: rgba(34, 197, 94, 0.2) !important;
    color: #15803d;
}

/* 面包屑 */
.breadcrumb {
    background: transparent;
    padding: 0;
}

.breadcrumb-item a {
    color: var(--app-accent-strong);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: var(--app-muted);
}

/* 响应式 */
@media (max-width: 767.98px) {
    .page {
        grid-template-columns: 1fr;
    }

    .sidebar {
        width: 100%;
        min-height: auto;
        position: relative;
        padding: 0.5rem 0.75rem 1rem;
    }

    .content {
        padding: 1.5rem 1.25rem 2rem;
    }

    .top-row-inner {
        flex-wrap: wrap;
    }

    .nav-links.collapse {
        display: none;
    }

    .nav-links.collapse.show {
        display: flex;
    }
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }

    .nav-links.collapse {
        display: flex !important;
    }
}

/* 工具 */
.btn:focus, .form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.validation-summary-errors,
.text-danger {
    color: #b91c1c;
}

/* 登录/授权页全屏布局（无侧栏） */
body.auth-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background:
        radial-gradient(circle at 10% 10%, rgba(255, 207, 140, 0.45), transparent 55%),
        radial-gradient(circle at 90% 15%, rgba(132, 220, 214, 0.6), transparent 50%),
        linear-gradient(140deg, #f4f1ea, #e3f3f0);
}

body.auth-layout .login-card {
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid var(--app-border);
    border-radius: 24px;
    padding: 2rem 2.5rem;
    box-shadow: 0 30px 60px rgba(31, 42, 50, 0.18);
    backdrop-filter: blur(10px);
    width: min(420px, 100%);
}

body.auth-layout .card {
    margin-bottom: 0;
}