.auth-shell {
    width: min(460px, calc(100% - 28px));
    min-height: 100vh;
    margin: 0 auto;
    padding: 52px 0;
    display: grid;
    align-content: center;
    gap: 26px;
}

.install-shell {
    width: min(720px, calc(100% - 28px));
}

.auth-brand {
    justify-self: center;
}

.auth-card {
    padding: 34px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 26px;
    box-shadow: var(--shadow);
}

.auth-card.wide {
    padding: 38px;
}

.auth-card h1 {
    margin: 0 0 10px;
    font-size: 34px;
    letter-spacing: -0.045em;
}

.auth-card > p:not(.section-kicker) {
    margin: 0 0 26px;
    color: var(--muted);
    line-height: 1.6;
}

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

.auth-form .field-group input,
.settings-form .field-group input,
.settings-form .field-group select,
.settings-form .field-group textarea {
    width: 100%;
    min-height: 46px;
    padding: 11px 13px;
    color: var(--ink);
    background: #fff;
    border: 1px solid #d0d5dd;
    border-radius: 11px;
    outline: none;
}

.settings-form .field-group textarea {
    resize: vertical;
    line-height: 1.5;
}

.auth-form .field-group input:focus,
.settings-form .field-group input:focus,
.settings-form .field-group select:focus,
.settings-form .field-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.1);
}

.field-group small {
    color: var(--subtle);
    font-size: 11px;
    line-height: 1.5;
}

.button.full {
    width: 100%;
    margin-top: 4px;
}

.auth-back {
    display: block;
    margin-top: 24px;
    color: var(--muted);
    text-align: center;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
}

.alert {
    margin: 0 0 20px;
    padding: 13px 15px;
    border-radius: 12px;
    font-size: 13px;
}

.alert p {
    margin: 0;
}

.alert p + p {
    margin-top: 5px;
}

.alert.error {
    color: #b42318;
    background: #fff1f0;
    border: 1px solid #fecdca;
}

.alert.success {
    color: #067647;
    background: #ecfdf3;
    border: 1px solid #abefc6;
}

.code-line {
    padding: 13px;
    overflow: auto;
    color: #344054;
    background: #f2f4f7;
    border-radius: 10px;
    font-size: 12px;
}

.requirements {
    margin: 24px 0;
    padding: 16px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    background: #f8f9fc;
    border-radius: 14px;
}

.requirements div {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #475467;
    font-size: 12px;
}

.requirements span {
    width: 20px;
    height: 20px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    font-weight: 800;
}

.requirements .pass {
    color: #067647;
    background: #dcfae6;
}

.requirements .fail {
    color: #b42318;
    background: #fee4e2;
}

.success-mark {
    width: 58px;
    height: 58px;
    margin-bottom: 24px;
    display: grid;
    place-items: center;
    color: #fff;
    background: var(--success);
    border-radius: 18px;
    font-size: 26px;
    font-weight: 800;
}

.auth-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.admin-layout {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 230px minmax(0, 1fr);
}

.admin-sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 28px 20px;
    display: flex;
    flex-direction: column;
    background: #fff;
    border-right: 1px solid var(--line);
}

.admin-nav {
    margin-top: 42px;
    display: grid;
    gap: 6px;
}

.admin-nav a {
    padding: 11px 13px;
    color: var(--muted);
    border-radius: 10px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
}

.admin-nav a:hover,
.admin-nav a.active {
    color: var(--accent);
    background: var(--accent-soft);
}

.logout-form {
    margin-top: auto;
}

.logout-form button {
    width: 100%;
    padding: 11px 13px;
    color: var(--danger);
    background: transparent;
    border: 0;
    border-radius: 10px;
    cursor: pointer;
    text-align: left;
    font-weight: 700;
}

.logout-form button:hover {
    background: var(--danger-soft);
}

.admin-main {
    min-width: 0;
    padding: 34px;
}

.admin-topbar {
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.admin-topbar h1 {
    margin: 0;
    font-size: 34px;
    letter-spacing: -0.045em;
}

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

.admin-profile > span {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    color: var(--accent);
    background: var(--accent-soft);
    border-radius: 12px;
    font-weight: 800;
}

.admin-profile strong,
.admin-profile small {
    display: block;
}

.admin-profile strong {
    font-size: 13px;
}

.admin-profile small {
    margin-top: 2px;
    color: var(--subtle);
    font-size: 11px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.metric-grid article,
.admin-panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: 0 10px 28px rgba(16, 24, 40, 0.045);
}

.metric-grid article {
    padding: 21px;
}

.metric-grid span,
.metric-grid small {
    display: block;
    color: var(--muted);
    font-size: 12px;
}

.metric-grid strong {
    display: block;
    margin: 13px 0 8px;
    font-size: 30px;
    letter-spacing: -0.05em;
}

.metric-grid small {
    color: var(--subtle);
}

.admin-grid {
    margin-top: 18px;
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.7fr);
    gap: 18px;
}

.admin-panel {
    margin-top: 18px;
    padding: 22px;
}

.admin-grid .admin-panel {
    margin-top: 0;
}

.panel-heading {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.panel-heading h2 {
    margin: 0;
    font-size: 18px;
    letter-spacing: -0.025em;
}

.panel-heading > span {
    padding: 6px 9px;
    color: var(--muted);
    background: var(--soft);
    border-radius: 8px;
    font-size: 11px;
    font-weight: 700;
}

.panel-heading > a {
    color: var(--accent);
    text-decoration: none;
    font-size: 12px;
    font-weight: 700;
}

.bar-chart {
    height: 220px;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    align-items: end;
    gap: 10px;
}

.bar-column {
    height: 100%;
    display: grid;
    grid-template-rows: 20px 1fr 20px;
    gap: 5px;
    text-align: center;
}

.bar-value,
.bar-column small {
    color: var(--subtle);
    font-size: 10px;
}

.bar-track {
    position: relative;
    overflow: hidden;
    background: #f2f4f7;
    border-radius: 8px 8px 4px 4px;
}

.bar-track i {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    display: block;
    background: linear-gradient(180deg, #8b7cf6, var(--accent));
    border-radius: 8px 8px 4px 4px;
}

.status-list {
    margin: 0;
}

.status-list div {
    padding: 13px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    border-bottom: 1px solid var(--line);
}

.status-list div:last-child {
    border-bottom: 0;
}

.status-list dt,
.status-list dd {
    margin: 0;
    font-size: 12px;
}

.status-list dt {
    color: var(--muted);
}

.status-list dd {
    font-weight: 700;
}

.status-chip {
    display: inline-flex;
    padding: 5px 8px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 800;
}

.status-chip.success {
    color: #067647;
    background: #ecfdf3;
}

.status-chip.warning {
    color: #b54708;
    background: #fffaeb;
}

.panel-empty {
    padding: 42px 20px;
    color: var(--subtle);
    background: #f8f9fc;
    border-radius: 12px;
    text-align: center;
    font-size: 13px;
}

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

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.admin-table th,
.admin-table td {
    padding: 12px 11px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

.admin-table th {
    color: var(--subtle);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.admin-table td {
    color: #475467;
}

.logs-table td:nth-child(3) {
    min-width: 260px;
}

.logs-table code {
    color: #667085;
    font-size: 10px;
    white-space: pre-wrap;
}

.pagination {
    margin-top: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
    font-size: 12px;
}

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

.settings-form {
    display: grid;
    gap: 0;
}

.form-panel {
    display: grid;
    gap: 18px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.form-grid .full-row {
    grid-column: 1 / -1;
}

.switch-row {
    min-height: 72px;
    padding: 12px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.switch-row span {
    display: grid;
    gap: 5px;
}

.switch-row strong {
    font-size: 13px;
}

.switch-row small {
    max-width: 360px;
    color: var(--subtle);
    line-height: 1.4;
}

.switch-row input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.switch-row i {
    position: relative;
    width: 44px;
    height: 25px;
    flex: 0 0 auto;
    background: #d0d5dd;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.switch-row i::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 19px;
    height: 19px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(16, 24, 40, 0.2);
    transition: transform 0.2s ease;
}

.switch-row input:checked + i {
    background: var(--accent);
}

.switch-row input:checked + i::after {
    transform: translateX(19px);
}

.sticky-save {
    position: sticky;
    bottom: 16px;
    z-index: 3;
    margin-top: 18px;
    padding: 12px;
    display: flex;
    justify-content: flex-end;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--line);
    border-radius: 15px;
    backdrop-filter: blur(14px);
    box-shadow: 0 14px 35px rgba(16, 24, 40, 0.1);
}

@media (max-width: 1000px) {
    .metric-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .admin-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .requirements {
        grid-template-columns: 1fr;
    }

    .admin-layout {
        display: block;
    }

    .admin-sidebar {
        position: static;
        width: 100%;
        height: auto;
        padding: 16px;
        display: grid;
        grid-template-columns: auto 1fr auto;
        align-items: center;
        gap: 18px;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .admin-nav {
        margin: 0;
        display: flex;
        justify-content: center;
        overflow-x: auto;
    }

    .admin-nav a {
        white-space: nowrap;
    }

    .logout-form {
        margin: 0;
    }

    .logout-form button {
        width: auto;
    }

    .admin-main {
        padding: 22px 14px 50px;
    }

    .admin-profile {
        display: none;
    }

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

@media (max-width: 540px) {
    .auth-card,
    .auth-card.wide {
        padding: 25px 20px;
    }

    .admin-sidebar {
        grid-template-columns: 1fr auto;
    }

    .admin-nav {
        grid-column: 1 / -1;
        grid-row: 2;
        justify-content: flex-start;
    }

    .metric-grid {
        grid-template-columns: 1fr;
    }

    .admin-topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .admin-topbar > .button,
    .admin-topbar > form,
    .admin-topbar > form .button {
        width: 100%;
    }

    .auth-actions .button {
        width: 100%;
    }
}