:root {
    color-scheme: dark;
    --bg: #0c1118;
    --panel: rgba(255, 255, 255, .08);
    --panel-strong: rgba(255, 255, 255, .13);
    --text: #f4f7fb;
    --muted: #9aa8bb;
    --line: rgba(255, 255, 255, .12);
    --blue: #2d8cff;
    --green: #35d07f;
    --red: #ff5b6b;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Microsoft YaHei UI", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 20% 10%, rgba(45, 140, 255, .28), transparent 34rem),
        radial-gradient(circle at 80% 0%, rgba(53, 208, 127, .14), transparent 28rem),
        linear-gradient(135deg, #090d13, #121923 54%, #090d13);
}

a {
    color: inherit;
    text-decoration: none;
}

.shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 32px;
}

.hero,
.panel,
.topbar {
    border: 1px solid var(--line);
    background: var(--panel);
    box-shadow: 0 24px 80px rgba(0, 0, 0, .28);
    backdrop-filter: blur(18px);
}

.hero {
    width: min(760px, 100%);
    padding: 46px;
    border-radius: 28px;
}

.hero.small {
    width: min(620px, 100%);
}

.brand,
.logo {
    display: inline-grid;
    place-items: center;
    width: 58px;
    height: 58px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--blue), #7ac8ff);
    font-weight: 900;
    letter-spacing: .06em;
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    margin: 22px 0 12px;
    font-size: clamp(30px, 5vw, 48px);
}

h2 {
    margin-bottom: 0;
}

p {
    color: var(--muted);
    line-height: 1.8;
}

.actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 28px;
}

.button,
button {
    border: 0;
    cursor: pointer;
    min-width: 140px;
    padding: 14px 22px;
    border-radius: 14px;
    font-weight: 800;
    color: var(--text);
    background: var(--panel-strong);
    transition: transform .18s ease, background .18s ease;
}

button.small {
    min-width: 68px;
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 13px;
}

button.warning {
    background: linear-gradient(135deg, #f59e0b, #f97316);
}

button.danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

button.full {
    width: 100%;
}

.button:hover,
button:hover {
    transform: translateY(-2px);
}

.button.primary,
button {
    background: linear-gradient(135deg, var(--blue), #1f72ff);
}

.button.ghost {
    background: rgba(255, 255, 255, .09);
}

.toast {
    margin: 18px 0;
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(53, 208, 127, .13);
    border: 1px solid rgba(53, 208, 127, .35);
}

.toast.error {
    background: rgba(255, 91, 107, .13);
    border-color: rgba(255, 91, 107, .35);
}

.profile-card {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 24px;
    padding: 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, .07);
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    object-fit: cover;
}

.avatar.placeholder {
    display: inline-grid;
    place-items: center;
    flex: 0 0 auto;
    color: #fff;
    font-size: 20px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--blue), var(--green));
}

.subline {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-size: 12px;
}

.profile-card span {
    display: block;
    margin-top: 4px;
    color: var(--muted);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 28px;
}

.logo {
    width: 48px;
    height: 48px;
    border-radius: 15px;
}

nav {
    display: flex;
    gap: 18px;
}

nav a {
    color: var(--muted);
    padding: 10px 2px;
    border-bottom: 2px solid transparent;
}

nav a.active,
nav a:hover {
    color: var(--text);
    border-bottom-color: var(--text);
}

.dashboard {
    width: min(1180px, calc(100% - 32px));
    margin: 28px auto 56px;
}

.panel {
    padding: 24px;
    border-radius: 24px;
    margin-bottom: 18px;
}

.welcome {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.avatar.large {
    width: 78px;
    height: 78px;
    border-radius: 24px;
    font-size: 30px;
}

.eyebrow {
    margin-bottom: 8px;
    color: var(--green);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.stat span {
    color: var(--muted);
}

.stat strong {
    display: block;
    margin-top: 10px;
    font-size: 32px;
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}

.search {
    display: flex;
    gap: 10px;
}

.login-form {
    display: grid;
    gap: 16px;
    margin-top: 28px;
}

.login-form label span {
    display: block;
    margin-bottom: 8px;
    color: var(--muted);
    font-size: 14px;
}

.login-form input {
    width: 100%;
}

input {
    width: min(320px, 52vw);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 13px 15px;
    color: var(--text);
    outline: none;
    background: rgba(0, 0, 0, .22);
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 14px 12px;
    border-bottom: 1px solid var(--line);
    text-align: left;
}

th {
    color: var(--muted);
    font-size: 13px;
}

code,
.badge {
    padding: 4px 8px;
    border-radius: 9px;
    background: rgba(255, 255, 255, .09);
}

.badge.ok {
    color: #9ff6c7;
    background: rgba(53, 208, 127, .14);
}

.badge.danger {
    color: #ffb4bd;
    background: rgba(255, 91, 107, .14);
}

.disabled-row {
    opacity: .62;
}

.actions-cell {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.muted {
    color: var(--muted);
}

@media (max-width: 760px) {
    .grid,
    .panel-head,
    .welcome,
    .topbar {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: flex-start;
    }
}