:root {
    color-scheme: light;
    --admin-bg: #eef5fb;
    --admin-bg-soft: #f5f9fd;
    --admin-card: #f9fcff;
    --admin-card-strong: #ffffff;
    --admin-body-bg:
        radial-gradient(circle at top left, rgba(59, 130, 246, 0.18), transparent 32rem),
        radial-gradient(circle at bottom right, rgba(14, 165, 233, 0.12), transparent 30rem),
        linear-gradient(135deg, #eef5fb 0%, #dfeaf6 48%, #f6fbff 100%);
    --admin-auth-card-bg: rgba(249, 252, 255, 0.92);
    --admin-sidebar-bg: rgba(249, 252, 255, 0.78);
    --admin-panel-bg: rgba(249, 252, 255, 0.88);
    --admin-nav-active-bg: #dbeafe;
    --admin-nav-placeholder-border: rgba(37, 99, 235, 0.18);
    --admin-nav-placeholder-strong: rgba(15, 23, 42, 0.56);
    --admin-user-card-bg: rgba(255, 255, 255, 0.62);
    --admin-input-bg: #ffffff;
    --admin-focus-ring: rgba(37, 99, 235, 0.16);
    --admin-danger-bg: rgba(185, 73, 50, 0.12);
    --admin-danger-bg-hover: rgba(185, 73, 50, 0.2);
    --admin-error-bg: rgba(185, 73, 50, 0.08);
    --admin-error-border: rgba(185, 73, 50, 0.18);
    --admin-ghost-bg: rgba(255, 255, 255, 0.6);
    --admin-primary-button-text: #f8fbff;
    --admin-success-bg: rgba(79, 125, 82, 0.14);
    --admin-success-text: #2f5c35;
    --admin-ink: #172033;
    --admin-muted: #64748b;
    --admin-line: rgba(37, 99, 235, 0.13);
    --admin-shadow: 0 22px 60px rgba(15, 44, 86, 0.13);
    --admin-orange: #2563eb;
    --admin-orange-dark: #1d4ed8;
    --admin-blue: #0f5f9f;
    --admin-green: #28715a;
    --admin-danger: #b94932;
    --admin-radius-lg: 28px;
    --admin-radius-md: 20px;
    --admin-radius-sm: 14px;
    font-family: "Avenir Next", "Nunito Sans", "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --admin-bg: #07111f;
    --admin-bg-soft: #0d1b2e;
    --admin-card: #0f1f35;
    --admin-card-strong: #152a45;
    --admin-body-bg:
        radial-gradient(circle at top left, rgba(96, 165, 250, 0.18), transparent 32rem),
        radial-gradient(circle at bottom right, rgba(14, 165, 233, 0.13), transparent 28rem),
        linear-gradient(135deg, #07111f 0%, #0d1b2e 48%, #10243d 100%);
    --admin-auth-card-bg: rgba(15, 31, 53, 0.94);
    --admin-sidebar-bg: rgba(11, 25, 43, 0.86);
    --admin-panel-bg: rgba(15, 31, 53, 0.9);
    --admin-nav-active-bg: rgba(96, 165, 250, 0.18);
    --admin-nav-placeholder-border: rgba(191, 219, 254, 0.18);
    --admin-nav-placeholder-strong: rgba(219, 234, 254, 0.72);
    --admin-user-card-bg: rgba(191, 219, 254, 0.08);
    --admin-input-bg: #091527;
    --admin-focus-ring: rgba(96, 165, 250, 0.24);
    --admin-danger-bg: rgba(255, 143, 120, 0.14);
    --admin-danger-bg-hover: rgba(255, 143, 120, 0.22);
    --admin-error-bg: rgba(255, 143, 120, 0.12);
    --admin-error-border: rgba(255, 143, 120, 0.28);
    --admin-ghost-bg: rgba(255, 239, 219, 0.08);
    --admin-primary-button-text: #06101f;
    --admin-success-bg: rgba(156, 202, 149, 0.14);
    --admin-success-text: #bde4b7;
    --admin-ink: #eaf4ff;
    --admin-muted: #a7bdd6;
    --admin-line: rgba(191, 219, 254, 0.15);
    --admin-shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
    --admin-orange: #60a5fa;
    --admin-orange-dark: #93c5fd;
    --admin-blue: #7dd3fc;
    --admin-green: #86efac;
    --admin-danger: #ff9a84;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--admin-body-bg);
    color: var(--admin-ink);
}

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

button,
input,
textarea {
    font: inherit;
}

.admin-auth-shell {
    align-items: center;
    display: flex;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.admin-auth-card {
    background: var(--admin-auth-card-bg);
    border: 1px solid var(--admin-line);
    border-radius: 34px;
    box-shadow: var(--admin-shadow);
    max-width: 440px;
    padding: 2rem;
    width: 100%;
}

.admin-shell {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    min-height: 100vh;
    transition: grid-template-columns 180ms ease;
}

.admin-sidebar {
    background: var(--admin-sidebar-bg);
    border-right: 1px solid var(--admin-line);
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
    min-height: 100vh;
    padding: 1.4rem;
    position: sticky;
    top: 0;
    transition: opacity 180ms ease, padding 180ms ease, transform 180ms ease, width 180ms ease;
    z-index: 1040;
}

.admin-menu-toggle {
    align-items: center;
    background: var(--admin-card);
    border: 1px solid var(--admin-line);
    border-radius: 16px;
    box-shadow: var(--admin-shadow);
    color: var(--admin-ink);
    display: inline-flex;
    flex-direction: column;
    gap: 0.32rem;
    height: 46px;
    justify-content: center;
    left: 1rem;
    position: fixed;
    top: 1rem;
    width: 46px;
    z-index: 1050;
}

.admin-menu-toggle span {
    background: currentColor;
    border-radius: 999px;
    height: 2px;
    transition: opacity 160ms ease, transform 160ms ease;
    width: 18px;
}

body:not(.admin-menu-collapsed) .admin-menu-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

body:not(.admin-menu-collapsed) .admin-menu-toggle span:nth-child(2) {
    opacity: 0;
}

body:not(.admin-menu-collapsed) .admin-menu-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.admin-menu-backdrop {
    display: none;
}

body.admin-menu-collapsed .admin-shell {
    grid-template-columns: 0 minmax(0, 1fr);
}

body.admin-menu-collapsed .admin-sidebar {
    opacity: 0;
    overflow: hidden;
    padding-left: 0;
    padding-right: 0;
    pointer-events: none;
}

.admin-main {
    padding: 2rem;
}

.admin-brand {
    align-items: center;
    display: flex;
    gap: 0.85rem;
}

.admin-brand--center {
    justify-content: center;
    margin-bottom: 1.5rem;
}

.admin-brand__mark {
    align-items: center;
    background: linear-gradient(145deg, #0f5f9f, #2563eb);
    border-radius: 18px;
    color: #fffaf2;
    display: inline-flex;
    font-weight: 800;
    height: 48px;
    justify-content: center;
    letter-spacing: -0.04em;
    width: 48px;
}

.admin-brand__name,
.admin-brand__caption {
    display: block;
}

.admin-brand__name {
    font-size: 1.05rem;
    font-weight: 800;
}

.admin-brand__caption {
    color: var(--admin-muted);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.admin-nav {
    display: grid;
    gap: 0.45rem;
}

.admin-nav__link {
    border-radius: 18px;
    color: var(--admin-muted);
    font-weight: 800;
    padding: 0.9rem 1rem;
}

.admin-nav__link.is-active,
.admin-nav__link:hover {
    background: var(--admin-nav-active-bg);
    color: var(--admin-ink);
}

.admin-nav-placeholder {
    border: 1px dashed var(--admin-nav-placeholder-border);
    border-radius: 20px;
    color: var(--admin-muted);
    display: grid;
    gap: 0.35rem;
    padding: 1rem;
}

.admin-nav-placeholder span {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.admin-nav-placeholder strong {
    color: var(--admin-nav-placeholder-strong);
    font-size: 0.9rem;
}

.admin-sidebar__footer {
    display: grid;
    gap: 0.8rem;
    margin-top: auto;
}

.admin-user-card {
    background: var(--admin-user-card-bg);
    border: 1px solid var(--admin-line);
    border-radius: 20px;
    padding: 0.9rem;
}

.admin-user-card strong,
.admin-user-card span {
    display: block;
}

.admin-user-card span {
    color: var(--admin-muted);
    font-size: 0.85rem;
    margin-top: 0.2rem;
    overflow-wrap: anywhere;
}

.admin-page-header {
    align-items: flex-end;
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.4rem;
}

.admin-page-header h1,
.admin-conversation__header h2,
.admin-panel h1 {
    letter-spacing: -0.04em;
    margin: 0;
}

.admin-page-header h1 {
    font-size: clamp(2rem, 4vw, 3.3rem);
}

.admin-page-header p,
.admin-conversation__header p,
.admin-panel p {
    color: var(--admin-muted);
    margin: 0.35rem 0 0;
}

.admin-eyebrow {
    color: var(--admin-orange-dark);
    font-size: 0.74rem;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.admin-panel {
    background: var(--admin-panel-bg);
    border: 1px solid var(--admin-line);
    border-radius: var(--admin-radius-lg);
    box-shadow: var(--admin-shadow);
    padding: 1.2rem;
}

.admin-stat-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    margin-bottom: 1rem;
}

.admin-stat-card {
    background: var(--admin-panel-bg);
    border: 1px solid var(--admin-line);
    border-radius: var(--admin-radius-md);
    box-shadow: var(--admin-shadow);
    display: grid;
    gap: 0.35rem;
    padding: 1rem;
}

.admin-stat-card span {
    color: var(--admin-muted);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.admin-stat-card strong {
    font-size: 2rem;
    letter-spacing: -0.05em;
}

.admin-table-panel {
    overflow: hidden;
    padding: 0;
}

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

.admin-table {
    border-collapse: collapse;
    min-width: 820px;
    width: 100%;
}

.admin-table th,
.admin-table td {
    border-bottom: 1px solid var(--admin-line);
    padding: 0.9rem 1rem;
    text-align: left;
    vertical-align: top;
}

.admin-table th {
    color: var(--admin-muted);
    font-size: 0.74rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.admin-section-block {
    margin-top: 1rem;
}

.admin-table-section-header {
    align-items: flex-start;
    display: flex;
    justify-content: space-between;
    padding: 1.1rem 1.2rem 0.2rem;
}

.admin-table-section-header h2 {
    letter-spacing: -0.03em;
    margin: 0;
}

.admin-table-section-header p {
    color: var(--admin-muted);
    margin: 0.35rem 0 0;
}

.admin-pioneer-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 1rem;
}

.admin-chart-list {
    display: grid;
    gap: 0.9rem;
    margin-top: 1rem;
}

.admin-chart-row {
    display: grid;
    gap: 0.45rem;
}

.admin-chart-row__label {
    align-items: center;
    display: flex;
    justify-content: space-between;
}

.admin-chart-row__label strong {
    color: var(--admin-ink);
    font-size: 0.95rem;
}

.admin-chart-row__track {
    background: var(--admin-ghost-bg);
    border: 1px solid var(--admin-line);
    border-radius: 999px;
    height: 0.78rem;
    overflow: hidden;
}

.admin-chart-row__track span {
    background: linear-gradient(90deg, var(--admin-orange), var(--admin-blue));
    border-radius: inherit;
    display: block;
    height: 100%;
}

.admin-health-grid {
    display: grid;
    gap: 0.85rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 1rem;
}

.admin-health-grid div {
    background: var(--admin-user-card-bg);
    border: 1px solid var(--admin-line);
    border-radius: var(--admin-radius-sm);
    display: grid;
    gap: 0.35rem;
    padding: 1rem;
}

.admin-health-grid span {
    color: var(--admin-muted);
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.admin-health-grid strong {
    font-size: 1.8rem;
    letter-spacing: -0.04em;
}

.admin-participant-waves {
    align-items: center;
    display: flex;
    gap: 0.8rem;
    justify-content: space-between;
    min-width: 16rem;
}

.admin-participant-waves__summary {
    display: grid;
    gap: 0.18rem;
}

.admin-participant-waves__summary strong {
    color: var(--admin-ink);
    font-weight: 900;
}

.admin-participant-waves__summary span {
    color: var(--admin-muted);
    font-size: 0.82rem;
    font-weight: 750;
}

.admin-muted-note {
    color: var(--admin-muted);
    font-size: 0.9rem;
}

.admin-badge {
    align-items: center;
    border-radius: 999px;
    display: inline-flex;
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    padding: 0.34rem 0.58rem;
    text-transform: uppercase;
    white-space: nowrap;
}

.admin-badge--success {
    background: var(--admin-success-bg);
    color: var(--admin-success-text);
}

.admin-badge--neutral {
    background: var(--admin-nav-active-bg);
    color: var(--admin-orange-dark);
}

.admin-badge--danger {
    background: var(--admin-danger-bg);
    color: var(--admin-danger);
}

.admin-collapsible-table {
    overflow: hidden;
    padding: 0;
}

.admin-collapsible-table summary {
    align-items: center;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    list-style: none;
    padding: 1.1rem 1.2rem;
}

.admin-collapsible-table summary::-webkit-details-marker {
    display: none;
}

.admin-collapsible-table summary span:first-child {
    display: grid;
    gap: 0.25rem;
}

.admin-collapsible-table summary strong {
    font-size: 1.1rem;
    letter-spacing: -0.03em;
}

.admin-collapsible-table summary small {
    color: var(--admin-muted);
    font-size: 0.9rem;
}

.admin-collapsible-table__indicator {
    background: var(--admin-nav-active-bg);
    border-radius: 999px;
    color: var(--admin-orange-dark);
    font-size: 0.74rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    padding: 0.45rem 0.7rem;
    text-transform: uppercase;
}

.admin-collapsible-table[open] .admin-collapsible-table__indicator {
    background: var(--admin-success-bg);
    color: var(--admin-success-text);
}

.admin-collapsible-table[open] .admin-collapsible-table__indicator::before {
    content: "Collapse";
}

.admin-collapsible-table[open] .admin-collapsible-table__indicator {
    font-size: 0;
}

.admin-collapsible-table[open] .admin-collapsible-table__indicator::before {
    font-size: 0.74rem;
}

.admin-collapsible-table .admin-table-section-header {
    display: none;
}

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

.admin-form-grid__full {
    grid-column: 1 / -1;
}

.admin-form-check {
    align-items: center;
    display: flex;
    gap: 0.55rem;
}

.admin-form-check input {
    width: auto;
}

.admin-form {
    display: grid;
    gap: 0.95rem;
}

.admin-form label {
    color: var(--admin-muted);
    display: grid;
    font-size: 0.82rem;
    font-weight: 900;
    gap: 0.4rem;
    letter-spacing: 0.04em;
}

.admin-form input,
.admin-form select,
.admin-form textarea {
    background: var(--admin-input-bg);
    border: 1px solid var(--admin-line);
    border-radius: 16px;
    color: var(--admin-ink);
    outline: none;
    padding: 0.85rem 0.95rem;
    width: 100%;
}

.admin-form input::placeholder,
.admin-form textarea::placeholder {
    color: color-mix(in srgb, var(--admin-muted) 76%, transparent);
}

.admin-form input:focus,
.admin-form select:focus,
.admin-form textarea:focus {
    border-color: rgba(37, 99, 235, 0.72);
    box-shadow: 0 0 0 4px var(--admin-focus-ring);
}

.admin-button {
    align-items: center;
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    display: inline-flex;
    font-weight: 900;
    justify-content: center;
    padding: 0.82rem 1.2rem;
}

.admin-button--primary {
    background: var(--admin-orange);
    color: var(--admin-primary-button-text);
}

.admin-button--primary:hover {
    background: var(--admin-orange-dark);
}

.admin-button--danger {
    background: var(--admin-danger-bg);
    color: var(--admin-danger);
}

.admin-button--danger:hover {
    background: var(--admin-danger-bg-hover);
}

.admin-button--ghost {
    background: var(--admin-ghost-bg);
    color: var(--admin-muted);
    width: 100%;
}

.admin-button--compact {
    background: var(--admin-ghost-bg);
    color: var(--admin-blue);
    flex: 0 0 auto;
    font-size: 0.82rem;
    padding: 0.62rem 0.88rem;
}

.admin-modal {
    background: transparent;
    border: 0;
    max-width: min(62rem, calc(100vw - 2rem));
    padding: 0;
    width: 100%;
}

.admin-modal::backdrop {
    background: rgba(15, 23, 42, 0.42);
    backdrop-filter: blur(5px);
}

.admin-modal__card {
    background: var(--admin-card-strong);
    border: 1px solid var(--admin-line);
    border-radius: var(--admin-radius-lg);
    box-shadow: 0 30px 90px rgba(15, 23, 42, 0.28);
    padding: 1.4rem;
}

.admin-modal__header {
    align-items: flex-start;
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    margin-bottom: 1.2rem;
}

.admin-modal__header h2 {
    font-size: 1.55rem;
    letter-spacing: -0.04em;
    margin: 0.2rem 0 0.25rem;
}

.admin-modal__header p {
    color: var(--admin-muted);
    margin: 0;
}

.admin-modal__close {
    align-items: center;
    background: var(--admin-ghost-bg);
    border: 0;
    border-radius: 999px;
    color: var(--admin-ink);
    cursor: pointer;
    display: inline-flex;
    flex: 0 0 auto;
    font-size: 1.35rem;
    font-weight: 900;
    height: 2.6rem;
    justify-content: center;
    width: 2.6rem;
}

.admin-table-wrap--modal {
    max-height: min(34rem, 62vh);
    overflow: auto;
}

.admin-theme-toggle {
    align-items: center;
    background: var(--admin-ghost-bg);
    border: 0;
    border-radius: 999px;
    color: var(--admin-ink);
    cursor: pointer;
    display: inline-flex;
    font-weight: 900;
    gap: 0.55rem;
    justify-content: center;
    padding: 0.82rem 1rem;
    width: 100%;
}

.admin-theme-toggle:hover,
.admin-theme-toggle:focus-visible {
    background: var(--admin-nav-active-bg);
    outline: none;
}

.admin-theme-toggle__icon {
    color: var(--admin-orange-dark);
}

.admin-account-panel {
    max-width: 620px;
    padding: 1.3rem;
}

.admin-error-panel {
    padding: 1.4rem;
}

.admin-error-details {
    background: var(--admin-error-bg);
    border: 1px solid var(--admin-error-border);
    border-radius: 16px;
    color: var(--admin-danger);
    margin: 1rem 0 0;
    overflow: auto;
    padding: 1rem;
    white-space: pre-wrap;
}

.admin-empty {
    align-items: center;
    color: var(--admin-muted);
    display: flex;
    min-height: 120px;
    justify-content: center;
    padding: 1rem;
    text-align: center;
}

.admin-flash {
    border-radius: 18px;
    font-weight: 800;
    margin-bottom: 1rem;
    padding: 0.9rem 1rem;
}

.admin-flash--success {
    background: var(--admin-success-bg);
    color: var(--admin-success-text);
}

.admin-flash--danger {
    background: var(--admin-danger-bg);
    color: var(--admin-danger);
}

.admin-config-list {
    display: grid;
    gap: 1rem;
}

.admin-config-card {
    display: grid;
    gap: 0.75rem;
}

.admin-config-card__meta {
    color: var(--admin-muted);
    display: flex;
    flex-wrap: wrap;
    font-size: 0.78rem;
    font-weight: 800;
    gap: 0.65rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

@media (max-width: 960px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        left: 0;
        min-height: 100vh;
        opacity: 1;
        padding: 1.4rem;
        pointer-events: auto;
        position: fixed;
        top: 0;
        transform: translateX(-105%);
        width: min(320px, calc(100vw - 2rem));
    }

    body:not(.admin-menu-collapsed) .admin-sidebar {
        transform: translateX(0);
    }

    body:not(.admin-menu-collapsed) .admin-menu-backdrop {
        background: rgba(29, 24, 18, 0.36);
        backdrop-filter: blur(4px);
        display: block;
        inset: 0;
        position: fixed;
        z-index: 1035;
    }

    body.admin-menu-collapsed .admin-shell {
        grid-template-columns: 1fr;
    }

    .admin-main {
        padding: 5rem 1rem 1rem;
    }

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

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