:root {
    --color-primary: #0c294d;
    --color-primary-hover: #163a66;
    --color-text: #1a1a1a;
    --color-muted: #5c6470;
    --color-border: #d7dbe0;
    --color-bg: #f7f8fa;
    --color-surface: #ffffff;
    --color-danger: #b3261e;
    --font-sans: system-ui, -apple-system, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.5;
}

a {
    color: var(--color-primary);
}

img {
    max-width: 100%;
}

nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

nav[aria-label="fil d'ariane"] {
    padding: 0.5rem 1.5rem;
    font-size: 0.875rem;
    color: var(--color-muted);
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.02em;
    text-decoration: none;
}

main {
    max-width: 720px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

h1, h2 {
    color: var(--color-primary);
}

.form-heading h1 {
    margin-bottom: 0.125rem;
}

.form-context {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-muted);
    margin: 0 0 1.5rem;
}

.form-card {
    padding: 1.5rem 2rem;
    margin-top: 1.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.notice {
    padding: 1.25rem 1.5rem;
    margin-top: 1.5rem;
    background: rgba(12, 41, 77, 0.06);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: 4px;
    color: var(--color-text);
}

.notice-heading {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.notice-heading svg {
    flex-shrink: 0;
    margin-top: 0.125rem;
    color: var(--color-primary);
}

.notice-heading p {
    margin: 0;
    font-weight: 600;
}

.notice-secondary {
    margin: 0.75rem 0 0;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-border);
    font-size: 0.8125rem;
    color: var(--color-muted);
}


form p {
    margin-bottom: 1rem;
}

label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-muted);
    margin-bottom: 0.25rem;
}

label:has(+ input:required)::after,
label:has(+ textarea:required)::after,
label:has(+ select:required)::after {
    content: " *";
    color: var(--color-danger);
}

input[type="text"],
input[type="password"],
textarea,
select {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font: inherit;
    color: var(--color-text);
    background: var(--color-surface);
}

input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}

button,
input[type="submit"] {
    background: var(--color-primary);
    color: #ffffff;
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: 4px;
    font: inherit;
    cursor: pointer;
}

button:hover {
    background: var(--color-primary-hover);
}

main form button[type="submit"] {
    display: block;
    margin-top: 0.5rem;
    margin-left: auto;
}

.user-menu {
    position: relative;
    margin-left: auto;
}

.user-menu summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-weight: 600;
    color: var(--color-primary);
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    transition: background 0.15s ease;
}

.user-menu summary:hover {
    background: var(--color-bg);
}

.user-menu summary::-webkit-details-marker {
    display: none;
}

.user-menu .chevron {
    transition: transform 0.15s ease;
}

.user-menu[open] .chevron {
    transform: rotate(180deg);
}

.user-menu-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    width: max-content;
    min-width: 220px;
    padding: 0.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

.user-menu-dropdown form {
    margin: 0;
}

.user-menu-dropdown a,
.user-menu-dropdown button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    white-space: nowrap;
    text-align: left;
    background: none;
    color: var(--color-text);
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
}

.user-menu-dropdown a:hover,
.user-menu-dropdown button:hover {
    background: var(--color-bg);
}

.auth-card {
    max-width: 360px;
    margin: 4rem auto;
    padding: 2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.auth-card img {
    max-width: 160px;
    margin-bottom: 1.5rem;
}

.auth-card form {
    text-align: left;
}

.hypothesis-panel {
    margin: 0 0 1.5rem;
    padding: 1rem 1.25rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: 4px;
}

.hypothesis-panel summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--color-primary);
}

.hypothesis-panel[open] summary {
    margin-bottom: 0.5rem;
}

.hypothesis-panel p {
    margin: 0;
    font-size: 1.0625rem;
    color: var(--color-text);
}

ul {
    list-style: none;
    padding: 0;
}

li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
}

.card {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    height: 130px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 0.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: border-color 0.15s ease;
}

.card:hover {
    border-color: var(--color-primary);
}

.card-link {
    display: block;
    min-width: 0;
    flex: 1;
    color: inherit;
    text-decoration: none;
}

.card-link::after {
    content: "";
    position: absolute;
    inset: 0;
}

.card-link h3 {
    margin: 0 0 0.25rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--color-primary);
}

.card-hypothesis {
    margin: 0;
    color: var(--color-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    margin: 0.25rem 0 0;
    color: var(--color-muted);
    font-size: 0.8125rem;
}

.card-action {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    white-space: nowrap;
    background: var(--color-primary);
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
}

.card-action:hover {
    background: var(--color-primary-hover);
}

.lightbox-discard {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    background: var(--color-danger);
    color: #ffffff;
    text-decoration: none;
    font-size: 0.875rem;
}

.lightbox-discard:hover {
    opacity: 0.85;
}

.evidence-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
}

.evidence-tile {
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-surface);
    transition: border-color 0.15s ease;
}

.evidence-tile:hover {
    border-color: var(--color-primary);
}

.evidence-tile-link {
    display: block;
    aspect-ratio: 1;
    background: var(--color-bg);
}

.evidence-tile-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.evidence-file-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-muted);
}

.evidence-tile-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-muted);
}

.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 100;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.lightbox:target {
    display: flex;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
}

.lightbox-content {
    position: relative;
    z-index: 1;
    max-width: min(90vw, 640px);
    max-height: 90vh;
    overflow: auto;
    background: var(--color-surface);
    border-radius: 8px;
    padding: 1.5rem;
}

.lightbox-content img {
    display: block;
    max-width: 100%;
    max-height: 60vh;
    margin: 0 auto 1rem;
    border-radius: 4px;
}

.lightbox-view {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-bottom: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    background: var(--color-primary);
    color: #ffffff;
    text-decoration: none;
    font-size: 0.875rem;
}

.lightbox-view:hover {
    background: var(--color-primary-hover);
}

.lightbox-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-bg);
    color: var(--color-text);
    text-decoration: none;
    font-size: 1.25rem;
    line-height: 1;
}

.lightbox-meta p {
    margin: 0 0 0.5rem;
}

.panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.panel-header h2 {
    margin: 0;
}

.badge {
    background: var(--color-bg);
    color: var(--color-muted);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
}

.timeline {
    margin-bottom: 1.5rem;
}

.timeline-date {
    display: block;
    color: var(--color-muted);
    font-size: 0.8125rem;
    margin-bottom: 0.25rem;
}