:root {
    --bg-a: #f4f8ff;
    --bg-b: #eef7f2;
    --bg-c: #fff8ef;
    --text-main: #1f2a37;
    --text-soft: #5a6472;
    --line: rgba(135, 149, 173, 0.24);
    --glass: rgba(255, 255, 255, 0.66);
    --glass-strong: rgba(255, 255, 255, 0.8);
    --primary: #2d6cdf;
    --primary-soft: #dce9ff;
    --danger: #e25353;
    --success: #2f9d6a;
    --warning: #d18a22;
}

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

body.glass-body {
    min-height: 100vh;
    margin: 0;
    color: var(--text-main);
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background:
        radial-gradient(860px 420px at -10% -15%, #d9ecff 0%, rgba(217, 236, 255, 0) 70%),
        radial-gradient(860px 420px at 110% 0%, #e8ffe9 0%, rgba(232, 255, 233, 0) 70%),
        radial-gradient(900px 460px at 50% 120%, #fff2dd 0%, rgba(255, 242, 221, 0) 70%),
        linear-gradient(145deg, var(--bg-a), var(--bg-b) 52%, var(--bg-c));
    background-attachment: fixed;
}

.glass-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0.65rem 1rem;
    background: rgba(255, 255, 255, 0.58);
    backdrop-filter: blur(14px) saturate(130%);
    -webkit-backdrop-filter: blur(14px) saturate(130%);
    border-bottom: 1px solid var(--line);
}

.glass-nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.9rem;
}

.glass-brand {
    font-weight: 800;
    letter-spacing: 0.04em;
    color: #2e4a7b;
    text-decoration: none;
}

.glass-nav-links {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.glass-nav-links a {
    text-decoration: none;
    color: var(--text-soft);
    padding: 0.32rem 0.8rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 0.9rem;
    transition: 0.18s ease;
}

.glass-nav-links a:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.56);
    border-color: rgba(132, 147, 169, 0.25);
}

.glass-nav-links a.active {
    color: #19458f;
    background: var(--primary-soft);
    border-color: rgba(69, 114, 199, 0.3);
}

.glass-main {
    max-width: 1280px;
    margin: 1.2rem auto 0;
    padding: 0 1rem 1.8rem;
}

.glass-card,
.card.glass-card,
.card.glass-panel {
    border-radius: 16px !important;
    background: var(--glass) !important;
    border: 1px solid var(--line) !important;
    box-shadow: 0 12px 30px rgba(96, 117, 151, 0.12);
    backdrop-filter: blur(12px) saturate(130%);
    -webkit-backdrop-filter: blur(12px) saturate(130%);
}

.glass-panel > .card-header,
.glass-card > .card-header {
    border-bottom: 1px solid rgba(136, 150, 171, 0.22);
    background: rgba(255, 255, 255, 0.45);
    font-weight: 700;
    color: #2f3e52;
}

.glass-table thead th {
    border-bottom-color: rgba(130, 145, 168, 0.24) !important;
    background: rgba(246, 250, 255, 0.78);
    color: #43566f;
    font-size: 0.82rem;
}

.glass-table tbody td {
    color: var(--text-main);
    border-color: rgba(139, 152, 173, 0.18);
}

.glass-input,
.form-control,
.form-select,
textarea.form-control {
    border-radius: 12px !important;
    border: 1px solid rgba(129, 145, 171, 0.3) !important;
    background: rgba(255, 255, 255, 0.82) !important;
    color: var(--text-main) !important;
}

.glass-input:focus,
.form-control:focus,
.form-select:focus,
textarea.form-control:focus {
    border-color: rgba(45, 108, 223, 0.45) !important;
    box-shadow: 0 0 0 0.2rem rgba(45, 108, 223, 0.16) !important;
}

.btn {
    border-radius: 11px !important;
}

.btn-primary {
    background: linear-gradient(135deg, #3f7ceb, #2662d4) !important;
    border-color: #2662d4 !important;
}

.btn-outline-primary {
    color: #2e67ce !important;
    border-color: rgba(55, 104, 190, 0.4) !important;
}

.btn-outline-success {
    color: #287e58 !important;
    border-color: rgba(48, 132, 90, 0.42) !important;
}

.btn-outline-danger {
    color: #bd4141 !important;
    border-color: rgba(197, 76, 76, 0.45) !important;
}

.btn-outline-warning {
    color: #af6f10 !important;
    border-color: rgba(181, 123, 28, 0.46) !important;
}

.badge.text-bg-info {
    background: #dbeaff !important;
    color: #1f4f9f !important;
}

.badge.text-bg-success {
    background: #dbf4e6 !important;
    color: #206947 !important;
}

.badge.text-bg-secondary {
    background: #e8edf3 !important;
    color: #4a596d !important;
}

.badge.text-bg-warning {
    background: #ffefcf !important;
    color: #7e5618 !important;
}

.alert {
    border-radius: 12px;
}

.glass-page-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: #2e3c52;
    margin-bottom: 0.9rem;
}

.stat-tile {
    border-radius: 14px;
    background: var(--glass-strong);
    border: 1px solid rgba(135, 149, 173, 0.26);
    box-shadow: 0 8px 24px rgba(106, 126, 161, 0.12);
    padding: 1rem;
}

.stat-label {
    color: #637286;
    font-size: 0.84rem;
}

.stat-value {
    font-size: 1.7rem;
    font-weight: 800;
    color: #263446;
}

.glass-footer-hint {
    color: #718096;
    font-size: 0.83rem;
}

@media (max-width: 768px) {
    .glass-nav-inner {
        align-items: flex-start;
        flex-direction: column;
    }
}