:root {
    --visum-navy: #102d3f;
    --visum-navy-soft: #29425b;
    --visum-gold: #cdae55;
    --visum-gold-soft: #f4eedc;
    --visum-text: #3b3b3b;
    --visum-muted: #66717d;
    --visum-surface: #ffffff;
    --visum-surface-soft: #f4f6f8;
    --visum-border: #c6d0d8;
    --visum-border-strong: #8495a2;
    --visum-danger: #9e2a2b;
    --visum-danger-soft: #fbefef;
    --visum-success: #2e6b4f;
    --visum-success-soft: #edf6f1;
    --visum-warning: #765a17;
    --visum-warning-soft: #fbf6e8;
    --visum-info: #285675;
    --visum-info-soft: #edf4f8;
    --visum-shadow: 0 12px 32px rgba(16, 45, 63, 0.08);
    --visum-radius: 6px;
    --visum-radius-small: 4px;
    --visum-content: 1180px;
    --visum-reading: 760px;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    color-scheme: light;
    font-size: 16px;
}

body {
    margin: 0;
    background: var(--visum-surface-soft);
    color: var(--visum-text);
    font-family: ui-sans-serif, "Segoe UI", Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.55;
}

h1,
h2,
h3,
p,
ul,
ol {
    margin-top: 0;
}

h1 {
    margin-bottom: var(--space-5);
    color: var(--visum-navy);
    font-size: clamp(1.75rem, 3vw, 2.35rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.15;
}

h2 {
    margin-bottom: var(--space-4);
    color: var(--visum-navy);
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.25;
}

h3 {
    margin-bottom: var(--space-3);
    color: var(--visum-navy-soft);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.35;
}

a {
    color: var(--visum-navy-soft);
    text-decoration-color: rgba(41, 66, 91, 0.45);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

a:hover {
    color: var(--visum-navy);
    text-decoration-color: var(--visum-gold);
}

:focus-visible {
    outline: 3px solid var(--visum-navy-soft);
    outline-offset: 2px;
}

.site-header :focus-visible,
.exercise-summary :focus-visible {
    outline-color: var(--visum-gold);
}

.skip-link {
    position: fixed;
    top: var(--space-3);
    left: var(--space-3);
    z-index: 100;
    padding: 10px 14px;
    transform: translateY(-180%);
    border-radius: var(--visum-radius-small);
    background: var(--visum-gold);
    color: var(--visum-navy);
    font-weight: 700;
}

.skip-link:focus {
    transform: translateY(0);
}

.visum-wordmark {
    display: inline-flex;
    align-items: baseline;
    gap: 9px;
    color: inherit;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-decoration: none;
}

.visum-wordmark__stance {
    color: var(--visum-navy-soft);
    font-size: 0.78em;
    letter-spacing: 0.18em;
}

.button,
button {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    padding: 9px 16px;
    border: 1px solid var(--visum-navy);
    border-radius: var(--visum-radius-small);
    background: var(--visum-navy);
    color: #ffffff;
    cursor: pointer;
    font: inherit;
    font-weight: 650;
    line-height: 1.2;
    text-decoration: none;
    transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

.button:hover,
button:hover {
    border-color: var(--visum-navy-soft);
    background: var(--visum-navy-soft);
    color: #ffffff;
}

.button:active,
button:active {
    transform: translateY(1px);
}

.button:disabled,
button:disabled {
    border-color: var(--visum-border);
    background: #e5e9ec;
    color: var(--visum-muted);
    cursor: not-allowed;
    transform: none;
}

.button-secondary {
    border-color: var(--visum-navy-soft);
    background: var(--visum-surface);
    color: var(--visum-navy);
}

.button-secondary:hover {
    background: var(--visum-info-soft);
    color: var(--visum-navy);
}

.button-on-dark {
    border-color: rgba(255, 255, 255, 0.55);
    background: transparent;
    color: #ffffff;
}

.button-on-dark:hover {
    border-color: var(--visum-gold);
    background: rgba(255, 255, 255, 0.08);
}

.button-danger {
    border-color: var(--visum-danger);
    background: var(--visum-danger);
    color: #ffffff;
}

.button-danger:hover {
    border-color: #7f2022;
    background: #7f2022;
}

.public-page {
    min-height: 100vh;
    background: var(--visum-navy);
}

.public-page::before {
    position: fixed;
    inset: 0 0 auto;
    height: 5px;
    background: var(--visum-gold);
    content: "";
}

.public-shell {
    width: min(calc(100% - 40px), 1040px);
    min-height: 100vh;
    margin: 0 auto;
    display: grid;
    align-items: center;
    padding: var(--space-7) 0;
}

.public-panel {
    position: relative;
    overflow: hidden;
    padding: clamp(32px, 6vw, 72px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--visum-radius);
    background: var(--visum-surface);
    box-shadow: var(--visum-shadow);
}

.public-panel::after {
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 9px;
    background: var(--visum-gold);
    content: "";
    transform: skewX(-36deg) translateX(32px);
    transform-origin: top right;
}

.public-brand {
    margin-bottom: var(--space-7);
    color: var(--visum-navy);
    font-size: 1.1rem;
}

.public-title {
    max-width: 700px;
    margin-bottom: var(--space-4);
    font-size: clamp(2.15rem, 5vw, 4rem);
}

.public-descriptor {
    max-width: 700px;
    margin-bottom: var(--space-5);
    color: var(--visum-navy-soft);
    font-size: 1.25rem;
    font-weight: 600;
}

.public-copy {
    max-width: 680px;
    margin-bottom: var(--space-6);
    color: var(--visum-muted);
    font-size: 1.05rem;
}

.login-shell {
    width: min(calc(100% - 32px), 500px);
}

.login-panel {
    padding: clamp(28px, 6vw, 48px);
}

.login-panel .public-brand {
    margin-bottom: var(--space-6);
}

.login-intro {
    margin-bottom: var(--space-5);
    color: var(--visum-muted);
}

.login-panel form {
    margin-bottom: 0;
}

.site-header {
    border-bottom: 4px solid var(--visum-gold);
    background: var(--visum-navy);
    color: #ffffff;
}

.site-header__inner {
    width: min(calc(100% - 40px), var(--visum-content));
    min-height: 68px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--space-5);
}

.site-header .visum-wordmark {
    flex: 0 0 auto;
    color: #ffffff;
    font-size: 1.05rem;
}

.site-header .visum-wordmark__stance {
    color: var(--visum-gold);
}

.site-header__context {
    flex: 1 1 auto;
    color: rgba(255, 255, 255, 0.74);
    font-size: 0.875rem;
}

.app-main {
    width: min(calc(100% - 40px), var(--visum-content));
    min-height: calc(100vh - 72px);
    margin: 0 auto;
    padding: var(--space-6) 0 var(--space-7);
}

.context-nav {
    margin-bottom: var(--space-4);
    color: var(--visum-muted);
    font-size: 0.9rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 650;
}

.back-link::before {
    content: "←";
    text-decoration: none;
}

.logout-form,
.table-form {
    margin: 0;
}

.evaluation-item,
.message-editor,
.readonly-context {
    margin-bottom: var(--space-5);
    padding: var(--space-5);
    border: 1px solid var(--visum-border);
    border-radius: var(--visum-radius);
    background: var(--visum-surface);
}

.evaluation-item .evaluation-item {
    padding: var(--space-4) 0 0;
    border: 0;
    border-top: 1px solid var(--visum-border);
    border-radius: 0;
    box-shadow: none;
}

.readonly-context {
    background: var(--visum-surface-soft);
}

.form-card {
    max-width: var(--visum-reading);
    padding: var(--space-5);
    border: 1px solid var(--visum-border);
    border-radius: var(--visum-radius);
    background: var(--visum-surface);
}

form {
    margin-bottom: var(--space-6);
}

label,
legend {
    display: block;
    margin-bottom: 6px;
    color: var(--visum-navy);
    font-size: 0.925rem;
    font-weight: 700;
}

input,
textarea,
select {
    width: 100%;
    margin-bottom: var(--space-4);
    padding: 10px 12px;
    border: 1px solid var(--visum-border-strong);
    border-radius: var(--visum-radius-small);
    background: var(--visum-surface);
    color: var(--visum-text);
    font: inherit;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

input:hover,
textarea:hover,
select:hover {
    border-color: var(--visum-navy-soft);
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--visum-navy-soft);
    outline: 3px solid var(--visum-navy-soft);
    outline-offset: 1px;
}

input:disabled,
textarea:disabled,
select:disabled,
input[readonly],
textarea[readonly] {
    background: #e9edf0;
    color: var(--visum-muted);
    cursor: not-allowed;
}

fieldset {
    min-width: 0;
    margin: 0 0 var(--space-5);
    padding: var(--space-4);
    border: 1px solid var(--visum-border);
    border-radius: var(--visum-radius-small);
}

.dimension-group {
    background: var(--visum-surface-soft);
}

.checkbox-option {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: var(--space-2);
    color: var(--visum-text);
    font-weight: 400;
}

.checkbox-option input {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    margin: 3px 0 0;
    accent-color: var(--visum-navy-soft);
}

.metadata {
    color: var(--visum-muted);
    font-size: 0.875rem;
}

.metadata {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-5);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--visum-border);
}

.message {
    margin-bottom: var(--space-5);
    padding: 12px 14px;
    border: 1px solid #9db8ca;
    border-left: 4px solid var(--visum-info);
    border-radius: var(--visum-radius-small);
    background: var(--visum-info-soft);
    color: #1e465f;
}

.message.success {
    border-color: #9fc7b2;
    border-left-color: var(--visum-success);
    background: var(--visum-success-soft);
    color: #21543d;
}

.message.error {
    border-color: #dbabab;
    border-left-color: var(--visum-danger);
    background: var(--visum-danger-soft);
    color: #7f2022;
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 3px 10px;
    border: 1px solid var(--visum-border-strong);
    border-radius: 999px;
    background: var(--visum-surface-soft);
    color: var(--visum-text);
    font-size: 0.8rem;
    font-weight: 750;
    line-height: 1.2;
    white-space: nowrap;
}

.badge-success {
    border-color: #7db292;
    background: var(--visum-success-soft);
    color: #21543d;
}

.badge-warning {
    border-color: #c9ab4b;
    background: var(--visum-warning-soft);
    color: var(--visum-warning);
}

.badge-danger {
    border-color: #cf8e8f;
    background: var(--visum-danger-soft);
    color: #7f2022;
}

.badge-info {
    border-color: #8bafc5;
    background: var(--visum-info-soft);
    color: #1e4b68;
}

.status-line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
}

.table-responsive {
    width: 100%;
    margin-bottom: var(--space-6);
    overflow-x: auto;
    border: 1px solid var(--visum-border);
    border-radius: var(--visum-radius);
    background: var(--visum-surface);
}

table {
    width: 100%;
    min-width: 620px;
    border-collapse: collapse;
}

th,
td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--visum-border);
    text-align: left;
    vertical-align: top;
}

th {
    background: #e9eef2;
    color: var(--visum-navy);
    font-size: 0.82rem;
    font-weight: 750;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

tbody tr:hover {
    background: #f8fafb;
}

tbody tr:last-child td {
    border-bottom: 0;
}

.exercise-summary {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    padding: var(--space-5);
    border-top: 4px solid var(--visum-gold);
    border-radius: var(--visum-radius);
    background: var(--visum-navy);
    color: #ffffff;
}

.exercise-summary__identity {
    grid-column: span 4;
    padding-bottom: var(--space-4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.exercise-summary__identity h2 {
    margin-bottom: var(--space-2);
    color: #ffffff;
}

.exercise-summary__item {
    min-width: 0;
}

.exercise-summary__label {
    display: block;
    margin-bottom: var(--space-1);
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.exercise-summary .badge {
    border-color: rgba(255, 255, 255, 0.38);
}

.video-panel {
    border-color: var(--visum-navy-soft);
}

.video-stage {
    margin: var(--space-4) 0;
    padding: var(--space-3);
    border-radius: var(--visum-radius-small);
    background: #071923;
}

.performance-video {
    display: block;
    width: 100%;
    max-width: 100%;
    max-height: 680px;
    margin: 0 auto;
    background: #000000;
}

.ai-panel {
    position: relative;
    border-left: 4px solid var(--visum-navy-soft);
}

.ai-panel::after {
    position: absolute;
    top: -1px;
    right: 22px;
    width: 64px;
    height: 4px;
    background: var(--visum-gold);
    content: "";
}

.evidence-section > article {
    padding-left: var(--space-5);
    border-left: 3px solid var(--visum-gold);
}

.admin-zone {
    margin-top: var(--space-7);
    border-color: #dbabab;
    background: #fffafa;
}

.admin-zone > h2,
.admin-zone > h3 {
    color: #7f2022;
}

.scale-list {
    margin-bottom: var(--space-5);
    padding: var(--space-4) var(--space-4) var(--space-4) 36px;
    border-radius: var(--visum-radius-small);
    background: var(--visum-surface-soft);
}

.methodology-description {
    margin: 0 0 var(--space-3);
    color: var(--visum-muted);
    font-size: 0.925rem;
}

.methodology-details {
    margin: 0 0 var(--space-4);
    border: 1px solid var(--visum-border);
    border-radius: var(--visum-radius-small);
    background: var(--visum-surface-soft);
}

.methodology-details--shared {
    margin-bottom: var(--space-5);
}

.methodology-details summary {
    padding: 10px 12px;
    color: var(--visum-navy);
    font-weight: 700;
    cursor: pointer;
}

.methodology-details summary:focus-visible {
    border-radius: var(--visum-radius-small);
    outline: 3px solid var(--visum-navy-soft);
    outline-offset: 2px;
}

.methodology-details__content {
    padding: 0 12px 12px;
    color: var(--visum-text);
}

.methodology-details__content > :last-child,
.methodology-entry > :last-child,
.methodology-finding-help > :last-child {
    margin-bottom: 0;
}

.methodology-entry {
    padding-top: var(--space-3);
    border-top: 1px solid var(--visum-border);
}

.methodology-entry:first-of-type {
    border-top: 0;
}

.methodology-entry h3 {
    margin-bottom: var(--space-2);
    font-size: 1rem;
}

.methodology-finding-help {
    margin: 0 0 var(--space-4);
    padding: var(--space-3);
    border-left: 3px solid var(--visum-gold);
    background: var(--visum-surface-soft);
}

.methodology-reminder {
    font-size: 0.875rem;
    font-weight: 650;
}

@media (max-width: 800px) {
    .site-header__inner {
        width: min(calc(100% - 28px), var(--visum-content));
        flex-wrap: wrap;
        gap: var(--space-3);
        padding: var(--space-3) 0;
    }

    .site-header__context {
        order: 3;
        flex-basis: 100%;
    }

    .app-main {
        width: min(calc(100% - 28px), var(--visum-content));
        padding-top: var(--space-5);
    }

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

    .exercise-summary__identity {
        grid-column: span 2;
    }

    .table-responsive {
        margin-right: 0;
    }

    form button + button,
    form .button + .button {
        margin-top: var(--space-2);
    }
}

@media (max-width: 520px) {
    .public-shell {
        width: min(calc(100% - 20px), 1040px);
        padding: 22px 0;
    }

    .public-panel,
    .login-panel {
        padding: 26px 22px;
    }

    .public-brand {
        margin-bottom: var(--space-6);
    }

    .site-header__inner {
        min-height: 62px;
    }

    .site-header__context {
        display: none;
    }

    .app-main {
        width: min(calc(100% - 20px), var(--visum-content));
    }

    .evaluation-item,
    .message-editor,
    .readonly-context,
    .form-card {
        padding: var(--space-4);
    }

    .exercise-summary {
        grid-template-columns: 1fr;
        padding: var(--space-4);
    }

    .exercise-summary__identity {
        grid-column: span 1;
    }

    .button,
    button {
        max-width: 100%;
    }

    .metadata {
        display: block;
    }

    .metadata > * + * {
        margin-top: var(--space-1);
    }

    .methodology-details summary,
    .methodology-details__content,
    .methodology-finding-help {
        padding-right: var(--space-3);
        padding-left: var(--space-3);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}