:root {
    --erp-sidebar-bg: #163047;
    --erp-sidebar-hover: #224763;
    --erp-accent: #db7c26;
    --erp-surface: #f4f7fb;
    --erp-card-shadow: 0 18px 50px rgba(18, 39, 58, 0.08);
    --erp-border: #d7dee7;
    --erp-text-soft: #5f6f82;
}

body {
    margin: 0;
    background: linear-gradient(180deg, #eef4f9 0%, #f8fafc 100%);
    color: #213547;
}

.erp-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 156px 1fr;
}

.erp-sidebar {
    background: linear-gradient(180deg, var(--erp-sidebar-bg) 0%, #102436 100%);
    color: #fff;
    padding: 14px 8px;
}

.erp-brand {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 18px;
}

.erp-brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--erp-accent), #f1b65f);
    color: #1a2731;
    font-weight: 800;
}

.erp-nav .nav-link {
    color: rgba(255, 255, 255, 0.88);
    border-radius: 8px;
    padding: 7px 8px;
    margin-bottom: 3px;
    font-size: 13px;
    text-align: center;
}

.erp-nav .nav-link:hover {
    background: var(--erp-sidebar-hover);
    color: #fff;
}

.erp-nav .nav-link.active {
    background: rgba(219, 124, 38, 0.18);
    color: #fff;
    border: 1px solid rgba(241, 182, 95, 0.35);
}

.erp-main {
    padding: 16px;
}

.erp-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.erp-page-title {
    font-size: 28px;
    font-weight: 700;
}

.erp-content {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.75);
    box-shadow: var(--erp-card-shadow);
    border-radius: 24px;
    padding: 24px;
    backdrop-filter: blur(12px);
}

.table .btn-group form {
    display: inline-block;
}

.erp-card {
    border: 0;
    border-radius: 20px;
    box-shadow: var(--erp-card-shadow);
}

.erp-section-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
}

.erp-toolbar-note {
    color: var(--erp-text-soft);
    font-size: 13px;
}

.erp-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(320px, .9fr);
    gap: 18px;
    align-items: start;
}

.erp-panel {
    background: #fff;
    border: 1px solid var(--erp-border);
    border-radius: 18px;
    box-shadow: var(--erp-card-shadow);
}

.erp-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 16px 18px 0;
}

.erp-panel-head h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
}

.erp-panel-subtitle {
    margin-top: 4px;
    color: var(--erp-text-soft);
    font-size: 13px;
}

.erp-panel-body {
    padding: 16px 18px 18px;
}

.erp-sticky-panel {
    position: sticky;
    top: 18px;
}

.erp-dense-table {
    margin-bottom: 0;
}

.erp-dense-table th,
.erp-dense-table td {
    padding: 10px 8px;
    vertical-align: middle;
    font-size: 13px;
}

.erp-dense-table thead th {
    background: #f7f9fc;
    color: #435468;
    font-weight: 700;
    border-bottom-width: 1px;
}

.erp-list-title {
    font-weight: 700;
    color: #162738;
}

.erp-list-sub {
    color: var(--erp-text-soft);
    font-size: 12px;
}

.erp-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    background: #f3f6fa;
    color: #44566c;
    font-size: 12px;
}

.erp-quick-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.erp-quick-card {
    border: 1px solid var(--erp-border);
    border-radius: 14px;
    background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
    padding: 12px 14px;
}

.erp-quick-card.active {
    border-color: rgba(219, 124, 38, 0.45);
    box-shadow: 0 12px 28px rgba(219, 124, 38, 0.12);
    background: linear-gradient(180deg, #fff8f1 0%, #ffffff 100%);
}

.erp-quick-card-title {
    font-size: 15px;
    font-weight: 700;
    color: #1d3246;
}

.erp-quick-card-desc {
    color: var(--erp-text-soft);
    font-size: 13px;
    line-height: 1.6;
    margin-top: 8px;
}

.erp-info-list {
    display: grid;
    gap: 10px;
}

.erp-info-item {
    display: grid;
    gap: 4px;
    padding: 10px 12px;
    border: 1px solid var(--erp-border);
    border-radius: 12px;
    background: #f8fafc;
}

.erp-info-label {
    color: var(--erp-text-soft);
    font-size: 12px;
}

.erp-info-value {
    color: #1d3246;
    font-size: 14px;
    font-weight: 600;
}

.erp-alert {
    padding: 10px 12px;
    border-radius: 12px;
    background: #fff7e8;
    border: 1px solid #f0d097;
    color: #7a5320;
    font-size: 13px;
}

.erp-drawer-form .form-label {
    color: #304458;
    font-size: 13px;
    margin-bottom: 6px;
}

.erp-drawer-form .form-control,
.erp-drawer-form .form-select {
    min-height: 40px;
    border-color: #cfd8e3;
}

.erp-table-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px;
}

.erp-table-actions form {
    display: inline-block;
}

.erp-print-sheet .meta-grid {
    grid-template-columns: 1.3fr 1fr 1fr .9fr;
}

.erp-login {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        radial-gradient(circle at top left, rgba(219, 124, 38, 0.22), transparent 28%),
        radial-gradient(circle at bottom right, rgba(22, 48, 71, 0.18), transparent 32%),
        linear-gradient(180deg, #eef4f9 0%, #f8fafc 100%);
}

.erp-login-card {
    width: 100%;
    max-width: 440px;
    border: 0;
    border-radius: 28px;
    box-shadow: var(--erp-card-shadow);
}

@media (max-width: 992px) {
    .erp-shell {
        grid-template-columns: 1fr;
    }

    .erp-sidebar {
        padding-bottom: 8px;
    }

    .erp-workspace {
        grid-template-columns: 1fr;
    }

    .erp-sticky-panel {
        position: static;
        top: auto;
    }
}