:root {
    --bg: #eef3f8;
    --ink: #172033;
    --muted: #667085;
    --line: #d7dfeb;
    --panel: #ffffff;
    --accent: #0f766e;
    --accent-dark: #115e59;
    --danger: #b42318;
    --nav: #111827;
    --nav-soft: #1f2937;
    --gold: #d39d38;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--bg);
}

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

button,
input,
select {
    font: inherit;
}

.login-body {
    min-height: 100vh;
    background:
        linear-gradient(135deg, rgba(15, 118, 110, .92), rgba(17, 24, 39, .96)),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='.12'%3E%3Cpath d='M0 80h160M80 0v160'/%3E%3Ccircle cx='80' cy='80' r='38'/%3E%3C/g%3E%3C/svg%3E");
}

.login-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(320px, 1fr) minmax(340px, 440px);
    gap: 48px;
    align-items: center;
    width: min(1120px, calc(100% - 48px));
    margin: 0 auto;
    padding: 48px 0;
}

.login-brand {
    color: #fff;
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 72px;
    height: 72px;
    border-radius: 8px;
    background: #fff;
    color: var(--accent-dark);
    font-weight: 900;
    letter-spacing: 0;
    box-shadow: 0 18px 50px rgba(0, 0, 0, .18);
}

.brand-mark.small {
    width: 42px;
    height: 42px;
    font-size: 14px;
    box-shadow: none;
}

.eyebrow {
    margin: 0 0 8px;
    color: inherit;
    opacity: .72;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.login-brand h1 {
    max-width: 620px;
    margin: 18px 0 18px;
    font-size: clamp(40px, 7vw, 78px);
    line-height: .95;
}

.brand-copy {
    max-width: 560px;
    margin: 0;
    color: rgba(255, 255, 255, .78);
    font-size: 18px;
    line-height: 1.6;
}

.signal-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 34px;
}

.signal-row span {
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 999px;
    padding: 9px 13px;
    color: rgba(255, 255, 255, .82);
    background: rgba(255, 255, 255, .08);
}

.login-card {
    background: rgba(255, 255, 255, .96);
    border: 1px solid rgba(255, 255, 255, .35);
    border-radius: 8px;
    padding: 34px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, .28);
}

.card-heading h2,
.topbar h1,
.section-heading h2 {
    margin: 0;
}

.card-heading h2 {
    font-size: 28px;
}

.login-form {
    display: grid;
    gap: 18px;
    margin-top: 28px;
}

.login-form label {
    display: grid;
    gap: 8px;
    color: var(--muted);
    font-weight: 700;
}

.login-form input {
    width: 100%;
    min-height: 48px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0 14px;
    color: var(--ink);
    background: #fff;
    outline: none;
}

.login-form input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(15, 118, 110, .14);
}

.login-form button,
.logout-form button {
    min-height: 48px;
    border: 0;
    border-radius: 8px;
    color: #fff;
    background: var(--accent);
    font-weight: 800;
    cursor: pointer;
}

.login-form button:hover,
.logout-form button:hover {
    background: var(--accent-dark);
}

.alert {
    margin-top: 22px;
    border: 1px solid rgba(180, 35, 24, .24);
    border-radius: 8px;
    padding: 12px 14px;
    color: var(--danger);
    background: #fff4f2;
    font-weight: 700;
}

.flash {
    margin-bottom: 18px;
    border-radius: 8px;
    padding: 13px 15px;
    font-weight: 800;
}

.flash.success {
    border: 1px solid rgba(15, 118, 110, .22);
    color: var(--accent-dark);
    background: #ecfdf5;
}

.flash.error {
    border: 1px solid rgba(180, 35, 24, .24);
    color: var(--danger);
    background: #fff4f2;
}

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

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 24px;
    color: #fff;
    background: var(--nav);
}

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

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

.brand small {
    margin-top: 3px;
    color: rgba(255, 255, 255, .56);
}

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

.nav-list a {
    border-radius: 8px;
    padding: 12px 14px;
    color: rgba(255, 255, 255, .76);
    font-weight: 700;
}

.nav-list a:hover,
.nav-list a.active {
    color: #fff;
    background: var(--nav-soft);
}

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

.logout-form button {
    width: 100%;
    background: rgba(255, 255, 255, .12);
}

.content {
    padding: 34px;
}

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

.topbar h1 {
    font-size: 34px;
}

.user-pill {
    display: flex;
    gap: 12px;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 10px 14px;
    background: #fff;
}

.user-pill strong {
    color: var(--accent-dark);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.metric-card,
.panel-section {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: 0 12px 30px rgba(21, 34, 50, .06);
}

.metric-card {
    display: grid;
    gap: 7px;
    padding: 20px;
}

.metric-card span,
.metric-card small {
    color: var(--muted);
}

.metric-card strong {
    font-size: 26px;
}

.workspace {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 16px;
    margin-top: 16px;
}

.panel-section {
    padding: 22px;
}

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

.text-action {
    color: var(--accent-dark);
    font-weight: 800;
}

.domain-list,
.action-grid {
    display: grid;
    gap: 10px;
}

.domain-list a,
.action-tile {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 14px;
    background: #fbfdff;
}

.domain-list a:hover,
.action-tile:hover {
    border-color: rgba(15, 118, 110, .45);
}

.action-tile {
    display: grid;
    gap: 5px;
}

.action-tile span {
    color: var(--muted);
}

.action-tile.admin-action {
    border-color: rgba(211, 157, 56, .42);
    background: #fffaf0;
}

.muted {
    color: var(--muted);
}

.admin-grid {
    display: grid;
    grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
    gap: 16px;
    align-items: start;
}

.admin-form,
.user-row {
    display: grid;
    gap: 14px;
}

.admin-form label,
.user-row label {
    display: grid;
    gap: 7px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
}

.admin-form input,
.admin-form select,
.user-row input,
.user-row select {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0 12px;
    color: var(--ink);
    background: #fff;
    outline: none;
}

.admin-form input:focus,
.admin-form select:focus,
.user-row input:focus,
.user-row select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(15, 118, 110, .12);
}

.admin-form button,
.row-actions button {
    min-height: 42px;
    border: 0;
    border-radius: 8px;
    padding: 0 14px;
    color: #fff;
    background: var(--accent);
    font-weight: 800;
    cursor: pointer;
}

.admin-form button:hover,
.row-actions button:hover {
    background: var(--accent-dark);
}

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

.user-row {
    grid-template-columns: minmax(190px, 1.2fr) minmax(160px, 1fr) minmax(130px, .7fr) minmax(150px, .9fr) auto;
    align-items: end;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 14px;
    background: #fbfdff;
}

.user-identity {
    display: grid;
    gap: 5px;
    align-self: center;
}

.user-identity strong {
    overflow-wrap: anywhere;
}

.user-identity small,
.count-pill {
    color: var(--muted);
}

.count-pill {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 7px 10px;
    background: #fff;
    font-size: 12px;
    font-weight: 800;
}

.row-actions {
    display: flex;
    gap: 8px;
}

.row-actions .danger-button {
    background: var(--danger);
}

.row-actions .danger-button:hover {
    background: #8f1d14;
}

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

    .sidebar {
        min-height: auto;
    }

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

@media (max-width: 1180px) {
    .user-row {
        grid-template-columns: 1fr 1fr;
    }

    .row-actions {
        grid-column: 1 / -1;
    }
}

@media (max-width: 560px) {
    .login-shell {
        width: min(100% - 28px, 440px);
        gap: 28px;
    }

    .login-card,
    .content,
    .sidebar {
        padding: 20px;
    }

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

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

    .user-row {
        grid-template-columns: 1fr;
    }

    .row-actions {
        flex-direction: column;
    }
}