:root {
    --bg: #f4efe8;
    --paper: rgba(255, 252, 247, 0.9);
    --ink: #1e1b18;
    --muted: #6c6258;
    --line: rgba(50, 35, 20, 0.12);
    --accent: #b85c38;
    --accent-dark: #8d4224;
    --danger: #8e2b2b;
    --shadow: 0 20px 60px rgba(73, 46, 27, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(184, 92, 56, 0.15), transparent 28%),
        linear-gradient(135deg, #f7f0e4, #efe4d4 45%, #f8f5ef);
    font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.page,
.login-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 32px 0 48px;
}

.hero,
.panel,
.login-card,
.stat-card {
    background: var(--paper);
    backdrop-filter: blur(10px);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.hero {
    border-radius: 28px;
    padding: 28px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
}

.hero h1,
.login-card h1 {
    margin: 8px 0 10px;
    font-size: clamp(2rem, 4vw, 3.6rem);
    line-height: 0.96;
}

.eyebrow {
    margin: 0;
    color: var(--accent-dark);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-size: 12px;
    font-weight: 700;
}

.muted {
    color: var(--muted);
    line-height: 1.6;
    max-width: 680px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin: 18px 0;
}

.stat-card,
.panel,
.login-card {
    border-radius: 24px;
}

.stat-card {
    padding: 20px 22px;
}

.stat-card span {
    display: block;
    color: var(--muted);
    margin-bottom: 12px;
}

.stat-card strong {
    font-size: 1.3rem;
}

.panel {
    padding: 24px;
    margin-top: 18px;
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 16px;
}

.panel-head h2 {
    margin: 0;
}

.panel-head p {
    margin: 0;
    color: var(--muted);
}

.upload-form {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

input[type="file"],
input[type="text"],
input[type="password"] {
    width: 100%;
    border: 1px solid var(--line);
    background: #fffdfa;
    border-radius: 14px;
    padding: 14px 16px;
    font-size: 15px;
}

button,
.button-link {
    border: 0;
    border-radius: 14px;
    background: var(--accent);
    color: white;
    padding: 14px 18px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
}

button:hover,
.button-link:hover {
    background: var(--accent-dark);
}

.ghost {
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--line);
}

.danger {
    background: var(--danger);
}

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

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

th,
td {
    padding: 14px 10px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 14px;
}

.name-cell {
    max-width: 260px;
    word-break: break-word;
}

.link-row {
    display: flex;
    gap: 8px;
    align-items: center;
    min-width: 320px;
}

.link-row a {
    color: var(--accent-dark);
    font-weight: 700;
    text-decoration: none;
}

.empty {
    text-align: center;
    color: var(--muted);
    padding: 28px;
}

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
}

.login-card {
    max-width: 520px;
    padding: 32px;
}

.stack {
    display: grid;
    gap: 16px;
}

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

.alert {
    background: rgba(142, 43, 43, 0.1);
    color: var(--danger);
    border: 1px solid rgba(142, 43, 43, 0.16);
    border-radius: 14px;
    padding: 12px 14px;
    margin: 16px 0;
}

@media (max-width: 900px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .hero,
    .panel-head {
        flex-direction: column;
    }
}