:root {
    --page-background: #f2f7ff;
    --surface: rgba(255, 255, 255, 0.92);
    --surface-border: rgba(19, 77, 168, 0.14);
    --surface-shadow: 0 24px 48px rgba(22, 72, 152, 0.12);
    --text-primary: #12233f;
    --text-muted: #5a6d8f;
    --brand: #1757d6;
    --brand-strong: #0f3f9f;
    --brand-soft: #e7f0ff;
    --success-soft: #ebfbef;
    --success-text: #19703a;
    --error-soft: #ffeff1;
    --error-text: #a11b2b;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: "Segoe UI", "Inter", system-ui, sans-serif;
    color: var(--text-primary);
    background: radial-gradient(circle at top left, rgba(71, 132, 255, 0.26), transparent 32%),
    radial-gradient(circle at top right, rgba(19, 87, 214, 0.18), transparent 26%),
    linear-gradient(180deg, #f6f9ff 0%, #eef4ff 100%);
}

body {
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: inherit;
}

code,
pre {
    font-family: "Cascadia Code", "Fira Code", monospace;
}

.shell {
    display: grid;
    grid-template-columns: minmax(280px, 320px) 1fr;
    min-height: 100vh;
}

.shell-sidebar {
    padding: 1.5rem 0 1.5rem 1.5rem;
}

.shell-main {
    padding: 1.5rem;
}

.shell-header,
.shell-content,
.nav-shell,
.hero-card,
.info-card,
.form-card,
.status-card,
.code-card {
    border: 1px solid var(--surface-border);
    border-radius: 28px;
    background: var(--surface);
    box-shadow: var(--surface-shadow);
}

.shell-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
    padding: 1.5rem 1.75rem;
    margin-bottom: 1rem;
}

.shell-eyebrow,
.eyebrow {
    margin: 0 0 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--brand);
}

.shell-title {
    margin: 0;
    font-size: clamp(1.6rem, 2vw, 2.15rem);
}

.shell-status {
    padding: 0.85rem 1.1rem;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 600;
    max-width: 100%;
    overflow-wrap: anywhere;
    text-align: left;
}

.shell-status-authenticated {
    background: var(--success-soft);
    color: var(--success-text);
}

.shell-status-anonymous {
    background: var(--brand-soft);
    color: var(--brand-strong);
}

.shell-message {
    margin-bottom: 1rem;
    padding: 1rem 1.2rem;
    border-radius: 18px;
    font-weight: 500;
}

.shell-message-info {
    background: var(--brand-soft);
    color: var(--brand-strong);
}

.shell-message-error {
    background: var(--error-soft);
    color: var(--error-text);
}

.shell-content {
    padding: 1.6rem;
}

.nav-shell {
    position: sticky;
    top: 1.5rem;
}

.nav-brand {
    display: flex;
    gap: 0.9rem;
    align-items: center;
    text-decoration: none;
    margin-bottom: 1.2rem;
}

.nav-brand strong,
.nav-brand span {
    display: block;
}

.nav-brand strong {
    font-size: 1.1rem;
}

.nav-brand span,
.nav-copy {
    color: var(--text-muted);
    font-size: 0.96rem;
}

.nav-copy {
    margin: 0 0 1.25rem;
    line-height: 1.65;
}

.nav-logo {
    width: 56px;
    height: 56px;
    padding: 0.65rem;
    border-radius: 18px;
    background: linear-gradient(135deg, #ffffff 0%, #dfeeff 100%);
    box-shadow: 0 18px 32px rgba(18, 66, 146, 0.18);
}

.nav-links {
    display: grid;
    gap: 0.65rem;
}

.nav-link-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 1rem;
    border-radius: 16px;
    text-decoration: none;
    color: var(--text-primary);
    text-align: center;
    transition: transform 0.15s ease, background-color 0.15s ease;
}

.nav-link-item:hover {
    background: rgba(23, 87, 214, 0.08);
    transform: translateX(2px);
}

.nav-link-item.active {
    background: linear-gradient(135deg, #1757d6 0%, #2e7fff 100%);
    color: #ffffff;
    box-shadow: 0 14px 32px rgba(23, 87, 214, 0.26);
}

.nav-footer {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 16px;
    background: rgba(23, 87, 214, 0.06);
    color: var(--text-muted);
}

.nav-footer code {
    display: block;
    margin-top: 0.35rem;
    color: var(--brand-strong);
}

.hero-card {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 1.5rem;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.hero-copy h1 {
    margin: 0 0 1rem;
    font-size: clamp(2.3rem, 4vw, 3.4rem);
    line-height: 1.05;
}

.lead {
    font-size: 1.08rem;
    line-height: 1.8;
    color: var(--text-muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-top: 1.5rem;
}

.hero-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 1.3rem;
    border-radius: 999px;
    background: linear-gradient(135deg, #1757d6 0%, #2f87ff 100%);
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 16px 28px rgba(23, 87, 214, 0.24);
}

.hero-button-secondary {
    background: #ffffff;
    color: var(--brand-strong);
    border: 1px solid rgba(23, 87, 214, 0.16);
    box-shadow: none;
}

.hero-panel {
    padding: 1.4rem;
    border-radius: 24px;
    background: linear-gradient(180deg, #f8fbff 0%, #edf5ff 100%);
}

.hero-panel h2,
.info-card h1,
.info-card h2,
.form-card h2,
.status-card h2,
.code-card h2 {
    margin-top: 0;
}

.feature-list {
    margin: 0;
    padding-left: 1.25rem;
    line-height: 1.8;
}

.card-grid,
.detail-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.two-column {
    display: grid;
    gap: 1rem;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}

.info-card,
.form-card,
.status-card,
.code-card {
    padding: 1.4rem;
}

.info-card p,
.status-card p,
.code-card p {
    color: var(--text-muted);
    line-height: 1.75;
}

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

.field-grid-single {
    grid-template-columns: 1fr;
}

.field-group {
    display: grid;
    gap: 0.45rem;
}

.field-group label {
    font-weight: 600;
}

.field-group input,
.field-group textarea {
    min-height: 48px;
    padding: 0.8rem 0.95rem;
    border: 1px solid rgba(23, 87, 214, 0.18);
    border-radius: 14px;
    background: #ffffff;
}

.field-group textarea {
    min-height: 140px;
}

.field-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.primary-button,
.secondary-button,
.danger-button {
    min-height: 46px;
    padding: 0 1.15rem;
    border: none;
    border-radius: 999px;
    font-weight: 700;
}

.primary-button {
    color: #ffffff;
    background: linear-gradient(135deg, #1757d6 0%, #2f87ff 100%);
}

.secondary-button {
    color: var(--brand-strong);
    background: #ffffff;
    border: 1px solid rgba(23, 87, 214, 0.16);
}

.danger-button {
    color: #ffffff;
    background: linear-gradient(135deg, #b02236 0%, #d8425c 100%);
}

.status-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.status-pill {
    padding: 0.55rem 0.85rem;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 700;
}

.status-pill-pending {
    background: rgba(23, 87, 214, 0.1);
    color: var(--brand-strong);
}

.status-pill-success {
    background: var(--success-soft);
    color: var(--success-text);
}

.status-pill-failed,
.status-pill-expired {
    background: var(--error-soft);
    color: var(--error-text);
}

.data-list {
    display: grid;
    gap: 0.75rem;
}

.data-item {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(18, 35, 63, 0.08);
}

.data-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.data-item span {
    color: var(--text-muted);
}

.session-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.session-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.session-table th,
.session-table td {
    padding: 0.9rem 0.7rem;
    border-bottom: 1px solid rgba(18, 35, 63, 0.08);
    text-align: left;
    vertical-align: top;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.session-table th {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 700;
}

.code-card pre {
    margin: 0;
    overflow: auto;
    padding: 1rem;
    border-radius: 16px;
    background: #0e1f3b;
    color: #e8f1ff;
}

.inline-note {
    margin-top: 0.8rem;
    color: var(--text-muted);
}

.validation-message {
    color: var(--error-text);
    font-size: 0.92rem;
}

#blazor-error-ui {
    display: none;
}

#blazor-error-ui {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 1000;
    padding: 1rem 1.25rem;
    border-radius: 16px;
    background: #0e1f3b;
    color: #ffffff;
    box-shadow: 0 24px 40px rgba(8, 15, 29, 0.34);
}

#blazor-error-ui .reload,
#blazor-error-ui .dismiss {
    margin-left: 0.75rem;
    color: #8bc4ff;
    cursor: pointer;
}

@media (max-width: 1200px) {
    .card-grid,
    .detail-grid,
    .hero-card,
    .two-column {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 860px) {
    .shell {
        grid-template-columns: 1fr;
    }

    .shell-sidebar {
        padding: 1rem 1rem 0;
    }

    .shell-main {
        padding: 1rem;
    }

    .shell-header {
        align-items: flex-start;
        flex-direction: column;
        padding: 1.2rem;
    }

    .shell-status {
        width: 100%;
        box-sizing: border-box;
    }

    .nav-shell {
        position: static;
    }

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

    .hero-card,
    .info-card,
    .form-card,
    .status-card,
    .code-card,
    .shell-content,
    .nav-shell {
        border-radius: 22px;
    }

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

    .field-actions > *,
    .hero-actions > * {
        flex: 1 1 100%;
    }

    .data-item {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .shell-sidebar,
    .shell-main {
        padding-inline: 0.75rem;
    }

    .shell-title {
        font-size: 1.45rem;
    }

    .hero-copy h1 {
        font-size: 2rem;
    }

    .lead,
    .nav-copy,
    .info-card p,
    .status-card p,
    .code-card p {
        line-height: 1.6;
    }

    .field-group input,
    .field-group textarea,
    .primary-button,
    .secondary-button,
    .danger-button,
    .hero-button {
        font-size: 16px;
    }

    .nav-links {
        grid-template-columns: 1fr;
    }

    .session-table,
    .session-table thead,
    .session-table tbody,
    .session-table tr,
    .session-table td {
        display: block;
        width: 100%;
    }

    .session-table thead {
        display: none;
    }

    .session-table tr {
        padding: 0.3rem 0;
        border-bottom: 1px solid rgba(18, 35, 63, 0.08);
    }

    .session-table td {
        position: relative;
        padding: 0.7rem 0 0.7rem 46%;
        border-bottom: none;
        min-height: 2.2rem;
    }

    .session-table td::before {
        content: attr(data-label);
        position: absolute;
        left: 0;
        top: 0.7rem;
        width: 40%;
        color: var(--text-muted);
        font-size: 0.85rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.04em;
    }
}