:root {
    color-scheme: light;
    --bg: #f4f7fb;
    --surface: #ffffff;
    --surface-soft: #f8fafd;
    --line: #d9e1ec;
    --line-strong: #bcc8d8;
    --text: #182235;
    --muted: #617089;
    --navy: #111d31;
    --blue: #1769d8;
    --teal: #087f8c;
    --green: #137a46;
    --amber: #a35d00;
    --red: #b42318;
    --shadow: 0 18px 50px rgba(17, 29, 49, 0.08);
    --radius: 8px;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}

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

button,
input,
select,
textarea {
    font: inherit;
}

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 270px minmax(0, 1fr);
}

.sidebar {
    background: var(--navy);
    color: #e9eef8;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    background: #ffffff;
    color: var(--navy);
    border-radius: 8px;
    font-weight: 900;
    letter-spacing: 0;
}

.brand strong {
    display: block;
    font-size: 15px;
}

.brand small {
    color: #aebbd0;
    font-size: 12px;
}

.sidebar-nav {
    display: grid;
    gap: 6px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #cbd5e5;
    padding: 10px 11px;
    border-radius: 8px;
    font-weight: 750;
}

.sidebar-nav a:hover,
.sidebar-nav a.is-active {
    background: rgba(255, 255, 255, 0.11);
    color: #ffffff;
}

.nav-icon {
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 11px;
    font-weight: 900;
}

.fa-gauge-high::before { content: "D"; }
.fa-ticket::before { content: "T"; }
.fa-building::before { content: "K"; }
.fa-server::before { content: "S"; }
.fa-users-gear::before { content: "B"; }

.sidebar-note {
    margin-top: auto;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.07);
}

.sidebar-note strong,
.sidebar-note span {
    display: block;
}

.sidebar-note span {
    margin-top: 4px;
    color: #b8c4d6;
    font-size: 12px;
}

.main-area {
    min-width: 0;
}

.topbar {
    min-height: 82px;
    padding: 18px 26px;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.topbar h1,
.portal-header h1 {
    margin: 0;
    font-size: 23px;
    line-height: 1.15;
}

.topbar p,
.portal-header p,
.panel-header p,
.muted {
    margin: 4px 0 0;
    color: var(--muted);
}

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

.content {
    padding: 24px 26px 36px;
}

.panel,
.login-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.panel {
    padding: 18px;
}

.panel + .panel,
.side-stack .panel + .panel {
    margin-top: 16px;
}

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

.panel h2,
.panel-header h2 {
    margin: 0;
    font-size: 17px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.metric-grid article {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 15px;
}

.metric-grid span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 750;
}

.metric-grid strong {
    display: block;
    margin-top: 8px;
    font-size: 28px;
    line-height: 1;
}

.two-column,
.ticket-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 18px;
    align-items: start;
}

.ticket-layout {
    grid-template-columns: minmax(0, 1fr) 410px;
}

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

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

.data-table th,
.data-table td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

.data-table th {
    color: var(--muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0;
}

.data-table small,
.row-title + small,
.compact-list span {
    display: block;
    color: var(--muted);
    font-size: 12px;
    margin-top: 2px;
}

.row-title,
.text-link {
    color: var(--blue);
    font-weight: 800;
}

.empty-row {
    color: var(--muted);
    text-align: center;
}

.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.badge--primary,
.badge--info {
    background: #e8f1ff;
    color: #1458b0;
}

.badge--success {
    background: #e7f6ee;
    color: var(--green);
}

.badge--warning {
    background: #fff2dd;
    color: var(--amber);
}

.badge--danger {
    background: #fdeceb;
    color: var(--red);
}

.badge--neutral {
    background: #eef2f7;
    color: #526070;
}

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

.compact-list a,
.compact-list div {
    display: block;
    padding: 11px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface-soft);
}

.compact-list a {
    color: var(--text);
    text-decoration: none;
    transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.compact-list a:hover,
.compact-list a:focus-visible,
.compact-list a.is-current {
    border-color: #9dbaf0;
    box-shadow: 0 8px 20px rgba(25, 47, 84, 0.08);
    transform: translateY(-1px);
}

.portal-ticket-summary h3 {
    margin: 16px 0 8px;
    font-size: 13px;
}

.portal-ticket-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.portal-ticket-stats a {
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px;
    background: var(--surface-soft);
}

.portal-ticket-stats strong,
.portal-ticket-stats span {
    display: block;
}

.portal-ticket-stats strong {
    font-size: 22px;
    line-height: 1;
}

.portal-ticket-stats span {
    margin-top: 5px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 800;
}

.portal-sidebar-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 12px;
}

.portal-ticket-overview {
    min-width: 0;
}

.portal-filter-tabs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
    gap: 8px;
    margin-bottom: 14px;
}

.portal-filter-tabs a {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 9px 10px;
    background: var(--surface-soft);
}

.portal-filter-tabs a.is-active {
    border-color: #8fb1ea;
    background: #eef5ff;
}

.portal-filter-tabs span,
.portal-filter-tabs strong {
    display: block;
}

.portal-filter-tabs span {
    color: var(--muted);
    font-size: 11px;
    font-weight: 800;
}

.portal-filter-tabs strong {
    margin-top: 3px;
    font-size: 18px;
}

.portal-ticket-filter {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) 180px auto auto;
    gap: 10px;
    align-items: end;
    margin-bottom: 12px;
}

.portal-result-count {
    margin-bottom: 9px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 750;
}

.portal-ticket-results {
    display: grid;
    gap: 8px;
}

.portal-ticket-row {
    display: grid;
    grid-template-columns: 145px minmax(0, 1fr);
    gap: 4px 14px;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 11px 12px;
    background: var(--surface-soft);
    transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.portal-ticket-row:hover,
.portal-ticket-row:focus-visible {
    border-color: #9dbaf0;
    box-shadow: 0 8px 20px rgba(25, 47, 84, 0.08);
}

.portal-ticket-number {
    color: var(--blue);
    font-weight: 900;
}

.portal-ticket-row strong {
    min-width: 0;
}

.portal-ticket-meta {
    grid-column: 2;
    color: var(--muted);
    font-size: 12px;
}

.portal-empty-state {
    border: 1px dashed var(--line-strong);
    border-radius: 8px;
    padding: 18px;
    background: var(--surface-soft);
}

.portal-empty-state strong,
.portal-empty-state span {
    display: block;
}

.portal-empty-state span {
    margin-top: 3px;
    color: var(--muted);
}

.portal-pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 14px;
}

.portal-pagination > span:not(.secondary-button) {
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
}

.secondary-button.is-disabled {
    cursor: default;
    opacity: 0.55;
}

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

.activity-list div {
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
}

.activity-list span {
    display: block;
    color: var(--muted);
    font-size: 12px;
}

.stack-form {
    display: grid;
    gap: 13px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 13px;
}

label span {
    display: block;
    margin-bottom: 5px;
    color: #344156;
    font-size: 12px;
    font-weight: 800;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    background: #ffffff;
    color: var(--text);
    padding: 10px 11px;
    outline: none;
}

textarea {
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(23, 105, 216, 0.13);
}

.checkbox-line {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-line input {
    width: auto;
}

.checkbox-line span {
    margin: 0;
}

.primary-button,
.secondary-button,
.ghost-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 8px 13px;
    font-weight: 850;
    cursor: pointer;
}

.primary-button {
    background: var(--blue);
    color: #ffffff;
}

.secondary-button {
    background: #eef5ff;
    color: #1458b0;
    border-color: #bed5f5;
}

.ghost-button {
    background: transparent;
    color: var(--muted);
    border-color: var(--line);
}

.filter-bar {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) 170px 170px auto auto;
    gap: 12px;
    align-items: end;
    margin-bottom: 16px;
}

.user-chip {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 7px 10px;
    background: var(--surface-soft);
}

.user-chip strong,
.user-chip span {
    display: block;
    white-space: nowrap;
}

.user-chip span {
    color: var(--muted);
    font-size: 11px;
}

.alert {
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 14px;
    font-weight: 750;
}

.alert--success {
    background: #e7f6ee;
    color: var(--green);
    border: 1px solid #b8e3cb;
}

.alert--error {
    background: #fdeceb;
    color: var(--red);
    border: 1px solid #f4b9b4;
}

.message-list {
    display: grid;
    gap: 12px;
}

.message {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 13px;
    background: var(--surface-soft);
}

.message.is-internal {
    background: #fff8e8;
    border-color: #f1d39a;
}

.message header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
    font-size: 12px;
}

.message header strong {
    color: var(--text);
}

.message p {
    margin: 10px 0 0;
}

.ticket-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin: -2px 0 16px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 750;
}

.reply-form {
    margin-top: 16px;
    border-top: 1px solid var(--line);
    padding-top: 16px;
}

.portal-ticket-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 10px;
}

.portal-new-ticket-button {
    width: 100%;
}

.attachment-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.attachment-list a {
    padding: 4px 8px;
    background: #eef2f7;
    border-radius: 999px;
    color: var(--blue);
    font-weight: 750;
    font-size: 12px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
}

.detail-grid div {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px;
    background: var(--surface-soft);
}

.detail-grid strong,
.detail-grid span {
    display: block;
}

.detail-grid strong {
    font-size: 12px;
    color: var(--muted);
}

.module-strip,
.host-list {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 12px;
}

.module-chip,
.host-list span {
    padding: 5px 8px;
    border-radius: 999px;
    background: #eef2f7;
    color: #526070;
    font-size: 12px;
    font-weight: 800;
}

.module-chip.is-active {
    background: #e7f6ee;
    color: var(--green);
}

.public-page {
    background: linear-gradient(180deg, #eef4fb 0%, #ffffff 100%);
}

.public-shell {
    width: min(1160px, calc(100% - 32px));
    margin: 32px auto;
}

.login-card {
    width: min(460px, 100%);
    margin: 8vh auto 0;
    padding: 26px;
}

.brand--login {
    color: var(--text);
    margin-bottom: 22px;
}

.brand--login .brand-mark {
    background: var(--navy);
    color: #ffffff;
}

.login-card h1 {
    margin: 0 0 6px;
    font-size: 25px;
}

.login-card p {
    color: var(--muted);
    margin: 0 0 20px;
}

.portal-header {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: center;
    margin-bottom: 18px;
}

[data-copy-field].is-copied {
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(19, 122, 70, 0.14);
}

@media (max-width: 1100px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

    .sidebar-nav {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }

    .metric-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .two-column,
    .ticket-layout {
        grid-template-columns: 1fr;
    }

    .filter-bar {
        grid-template-columns: 1fr 1fr;
    }

    .portal-ticket-filter {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 720px) {
    .topbar,
    .portal-header,
    .topbar-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .content {
        padding: 16px;
    }

    .sidebar-nav,
    .form-grid,
    .detail-grid,
    .filter-bar,
    .metric-grid,
    .portal-ticket-actions,
    .portal-ticket-filter,
    .portal-ticket-row {
        grid-template-columns: 1fr;
    }

    .portal-ticket-meta {
        grid-column: auto;
    }

    .portal-pagination {
        align-items: stretch;
        flex-direction: column;
    }
}