:root {
    --sglab-blue: #243f78;
    --sglab-blue-dark: #1f376d;
    --sglab-gold: #d7a629;
    --sglab-bg: #e5e7eb;
    --sglab-card: #ffffff;
    --sglab-border: #d1d5db;
    --sglab-text: #111827;
    --sglab-muted: #5f6b7a;
    --sglab-error: #b91c1c;
    --sglab-success: #15803d;
}

body {
    background: var(--sglab-bg);
    color: var(--sglab-text);
    font-family: Arial, Helvetica, sans-serif;
}

.page {
    max-width: 1180px;
    margin: 28px auto 48px;
}

.topbar {
    padding: 18px 22px;
    background: #ffffff;
    color: var(--sglab-text);
    border: 1px solid var(--sglab-border);
    border-top: 5px solid var(--sglab-blue);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.topbar-title {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.25;
    text-align: center;
    flex: 1;
    color: var(--sglab-blue-dark);
}

.topbar img {
    max-height: 92px;
    object-fit: contain;
}

.panel-box,
.notice-box {
    background: var(--sglab-card);
    border-radius: 8px;
    border: 1px solid var(--sglab-border);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    margin-bottom: 18px;
}

.panel-box {
    padding: 22px;
}

.notice-box {
    padding: 16px 20px;
    background: #fff7ed;
    border-color: #fdba74;
    border-left: 5px solid var(--sglab-gold);
    color: #7c2d12;
    line-height: 1.55;
}

.section-title {
    margin: 0 0 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--sglab-border);
    color: var(--sglab-blue-dark);
    font-size: 22px;
    font-weight: 700;
}

.form-group {
    margin-bottom: 14px;
}

label {
    color: var(--sglab-text);
    font-size: 14px;
    font-weight: 600;
}

.required label:after {
    color: var(--sglab-error);
    content: "*";
    margin-left: 4px;
}

.form-control {
    height: 40px;
    margin-bottom: 8px;
    border: 1px solid #c7d0dd;
    border-radius: 5px;
    color: var(--sglab-text);
    box-shadow: none;
}

textarea.form-control {
    height: auto;
    min-height: 96px;
    resize: vertical;
}

.form-control:focus {
    border-color: var(--sglab-blue);
    box-shadow: 0 0 0 2px rgba(36, 63, 120, 0.14);
}

.field-error {
    display: none;
    margin-top: -4px;
    margin-bottom: 10px;
    color: var(--sglab-error);
    font-size: 13px;
}

.form-group.has-error .field-error {
    display: block;
}

.form-group.has-error .form-control {
    border-color: var(--sglab-error);
    background: #fff7f7;
}

.form-group.has-success .form-control {
    border-color: var(--sglab-success);
}

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

table {
    width: 100%;
    background: #ffffff;
}

caption {
    padding: 8px 0;
    color: var(--sglab-blue-dark);
    font-weight: 700;
    text-align: left;
}

th {
    background: #eef3fb;
    color: var(--sglab-blue-dark);
    font-size: 13px;
}

th,
td {
    vertical-align: middle !important;
    white-space: nowrap;
}

.table-error {
    display: none;
    margin-top: 12px;
    color: var(--sglab-error);
    font-weight: 600;
}

.error-box {
    padding: 14px 16px;
    margin-bottom: 18px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-left: 5px solid var(--sglab-error);
    color: #991b1b;
    border-radius: 8px;
}

.form-submit-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-top: 18px;
    margin-bottom: 36px;
    padding: 24px 28px;
    background: #ffffff;
    border: 1px solid var(--sglab-border);
    border-top: 4px solid var(--sglab-blue);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.form-submit-info {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    flex: 1;
    min-width: 0;
}

.form-submit-icon {
    font-size: 26px;
    color: var(--sglab-blue);
    flex-shrink: 0;
    margin-top: 2px;
}

.form-submit-info strong {
    display: block;
    font-size: 15px;
    color: var(--sglab-text);
    margin-bottom: 4px;
}

.form-submit-info p {
    margin: 0;
    font-size: 13px;
    color: var(--sglab-muted);
    line-height: 1.5;
}

.form-submit-action {
    flex-shrink: 0;
}

.form-submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 32px;
    font-size: 16px;
    white-space: nowrap;
}

@media (max-width: 760px) {
    .form-submit-bar {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .form-submit-info {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .form-submit-btn {
        width: 100%;
        justify-content: center;
    }
}

.btn {
    border-radius: 5px;
    font-weight: 600;
}

.btn-primary {
    background: var(--sglab-blue);
    border-color: var(--sglab-blue-dark);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--sglab-blue-dark);
    border-color: var(--sglab-blue-dark);
}

.btn-success {
    background: #1f7a3f;
    border-color: #176232;
    color: #ffffff;
}

.btn-success:hover,
.btn-success:focus {
    background: #176232;
    border-color: #14552c;
    color: #ffffff;
}

.btn-danger {
    background: #b91c1c;
    border-color: #991b1b;
}

hr {
    border-top: 1px solid var(--sglab-border);
    margin: 22px 0;
}

@media (max-width: 760px) {
    .page {
        margin: 16px auto 36px;
        padding: 0 12px;
    }

    .topbar {
        display: block;
        text-align: center;
    }

    .topbar img {
        margin: 8px auto;
    }

    .topbar-title {
        font-size: 22px;
        margin: 12px 0;
    }

    .panel-box {
        padding: 18px 14px;
    }

    .section-title {
        font-size: 20px;
    }

    .actions .btn {
        width: 100%;
    }
}