:root {
    --bg: #f3f5f7;
    --card: #ffffff;
    --line: #d9e0e7;
    --text: #1f2933;
    --muted: #5b6b79;
    --primary: #0f766e;
    --danger: #b42318;
    --warning: #b54708;
    --success: #027a48;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Microsoft YaHei", sans-serif;
    background: linear-gradient(180deg, #eef5f4 0%, var(--bg) 240px);
    color: var(--text);
}

.wrap {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.topbar {
    background: #103d3a;
    color: #fff;
    padding: 18px 0;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.topbar h1 {
    margin: 0;
    font-size: 24px;
}

.topbar-subtitle {
    margin: 6px 0 0;
    color: #d7f1ee;
    font-size: 13px;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

nav a {
    color: #d7f1ee;
    text-decoration: none;
}

main {
    padding: 24px 0 40px;
}

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

.stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.stats-grid-7 {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 16px;
    box-shadow: 0 8px 24px rgba(16, 61, 58, 0.05);
}

.stat-card h2,
.card h2 {
    margin-top: 0;
}

.stat {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    margin: 8px 0 0;
}

.upload-form,
.scan-form {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.action-row {
    margin-bottom: 12px;
}

.button-link,
.secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--primary);
    background: #eef8f6;
    color: var(--primary);
    text-decoration: none;
    cursor: pointer;
}

.danger-btn {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}

.entry-form {
    display: grid;
    gap: 14px;
}

.entry-form label,
.login-form label {
    display: grid;
    gap: 6px;
}

.login-wrap {
    min-height: 100vh;
    display: grid;
    align-items: center;
}

.login-card {
    max-width: 420px;
    margin: 0 auto;
}

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

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.form-grid label {
    display: grid;
    gap: 6px;
}

.form-grid span {
    font-size: 14px;
    color: var(--muted);
}

.inline-field {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}

.wide-field {
    grid-column: 1 / -1;
}

input[type="file"],
input[type="text"],
input[type="password"],
select,
button {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--line);
    font-size: 15px;
}

input[type="text"],
input[type="password"] {
    min-width: min(100%, 420px);
}

button {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    cursor: pointer;
}

.hint,
.empty {
    color: var(--muted);
}

.flash-list {
    margin-bottom: 16px;
}

.flash {
    padding: 12px 14px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.flash-success {
    background: #ecfdf3;
    color: var(--success);
}

.flash-danger {
    background: #fef3f2;
    color: var(--danger);
}

.flash-warning {
    background: #fffaeb;
    color: var(--warning);
}

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

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

th,
td {
    text-align: left;
    padding: 10px;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
}

.nested-card {
    margin-bottom: 0;
}

.nested-card h3 {
    margin: 0;
    font-size: 16px;
}

.maintenance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
}

.compact-form {
    margin: 12px 0;
}

.option-list {
    display: grid;
    gap: 8px;
}

.option-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fafcfc;
}

.stat-warning {
    color: var(--warning);
}

.stat-danger {
    color: var(--danger);
}

.inline-user-form {
    display: grid;
    grid-template-columns: minmax(120px, 1fr) 120px minmax(160px, 1fr) auto auto;
    gap: 10px;
    align-items: center;
}

.compact-hint {
    font-size: 13px;
}

@media (max-width: 820px) {
    .topbar-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    nav {
        gap: 10px 14px;
    }

    .inline-user-form {
        grid-template-columns: 1fr;
    }
}