* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f8;
    color: #1c2430;
}

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

.admin-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 260px 1fr;
}

.admin-sidebar {
    background: #132235;
    color: #f7fbff;
    padding: 28px 22px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand strong,
.brand small {
    display: block;
}

.brand small {
    color: #9eb3c6;
    margin-top: 4px;
}

.brand-badge {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #ffb000;
    color: #142234;
    font-weight: 700;
}

.admin-nav {
    margin-top: 28px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.admin-nav a {
    padding: 12px 14px;
    border-radius: 10px;
    color: #d8e5f2;
}

.admin-nav a.active,
.admin-nav a:hover {
    background: #1d324d;
    color: #fff;
}

.admin-main {
    padding: 28px;
}

.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.admin-topbar h1,
.panel h2,
.login-card h1 {
    margin: 0 0 8px;
}

.muted {
    color: #5d6b7c;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card,
.panel,
.login-card {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 16px 36px rgba(15, 32, 56, 0.08);
}

.stat-card {
    padding: 20px;
}

.stat-card span {
    display: block;
    color: #667689;
    margin-bottom: 10px;
}

.stat-card strong {
    font-size: 1.6rem;
}

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

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

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

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

th,
td {
    text-align: left;
    padding: 12px 10px;
    border-bottom: 1px solid #e9eef3;
    vertical-align: top;
}

th {
    color: #516173;
    font-size: 0.9rem;
}

.row-warning {
    background: #fff9e9;
}

.warning-text {
    color: #b46b00;
    font-size: 0.82rem;
}

.filters-grid,
.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.details-grid dt {
    color: #667689;
    font-size: 0.85rem;
    margin-bottom: 6px;
}

.details-grid dd {
    margin: 0;
    font-weight: 600;
}

label span,
.eyebrow {
    display: block;
    margin-bottom: 6px;
    font-size: 0.88rem;
    color: #536274;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

input,
select,
button {
    font: inherit;
}

input,
select {
    width: 100%;
    border: 1px solid #cfd8e3;
    border-radius: 10px;
    padding: 10px 12px;
    background: #fff;
}

.inline-form {
    display: grid;
    gap: 8px;
    min-width: 180px;
}

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

.checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox input {
    width: auto;
}

.btn-primary,
.btn-secondary {
    border: 0;
    border-radius: 10px;
    padding: 10px 14px;
    cursor: pointer;
    display: inline-flex;
    justify-content: center;
}

.btn-primary {
    background: #0059ff;
    color: #fff;
}

.btn-secondary {
    background: #e9eef5;
    color: #243447;
}

.full-width {
    width: 100%;
}

.alert {
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 18px;
}

.alert-success {
    background: #e6f7ed;
    color: #1a6c3e;
}

.alert-danger {
    background: #fdeaea;
    color: #9b2c2c;
}

.error-list {
    margin: 10px 0 0;
    padding-left: 18px;
}

.empty-state {
    text-align: center;
    color: #667689;
    padding: 26px;
}

.filters-actions {
    display: flex;
    align-items: flex-end;
    gap: 10px;
}

.pagination-wrapper {
    margin-top: 18px;
}

.code-block {
    background: #132235;
    color: #fff;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: linear-gradient(135deg, #0d1f35, #21486f);
}

.login-card {
    width: min(420px, 100%);
    padding: 28px;
}

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

    .admin-sidebar {
        padding-bottom: 18px;
    }
}