/* Demist verify — one stylesheet for a one-page site.
   The palette, spacing and radius tokens are the app's
   (app/htdocs/styles/base.css), kept to the same subset as the demist.net
   site (www/htdocs/styles.css), so every Demist page looks like one product. */

:root {
    color-scheme: light dark;

    --primary-color: #007bff;
    --primary-hover-color: #0056b3;
    --background-color: light-dark(#ffffff, #1a1a1a);
    --surface-color: light-dark(#f8f9fa, #242424);
    --text-color: light-dark(#333333, #e5e7eb);
    --text-strong-color: light-dark(#1e293b, #f0f1f3);
    --text-muted-color: light-dark(#64748b, #94a3b8);
    --border-color: light-dark(#dee2e6, #3a3a3a);

    --valid-color: light-dark(#16a34a, #4ade80);
    --expired-color: light-dark(#d97706, #fbbf24);
    --invalid-color: light-dark(#dc2626, #f87171);

    /* The icons are black line art, so they need inverting on a dark background. */
    --icon-filter: none;

    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;

    --border-radius-md: 8px;
    --border-radius-lg: 12px;

    --content-width: 60rem;
}

@media (prefers-color-scheme: dark) {
    :root { --icon-filter: invert(1); }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-color);
}

h1, h2, h3 {
    color: var(--text-strong-color);
    line-height: 1.25;
}

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

img {
    max-width: 100%;
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    overflow-wrap: anywhere;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--background-color);
    border-bottom: 1px solid var(--border-color);
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-strong-color);
    text-decoration: none;
}

.language-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-inline-start: auto;
}

.language-selector img {
    filter: var(--icon-filter);
}

.language-selector select {
    padding: 0.2rem var(--spacing-sm);
    font: inherit;
    color: var(--text-color);
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
}

/* Sections */

main {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

section {
    padding: var(--spacing-xl) 0;
}

.lead {
    max-width: 45rem;
}

.note {
    font-size: 0.95rem;
    color: var(--text-muted-color);
}

/* The landing form */

.url-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.url-form label {
    font-weight: 600;
    color: var(--text-strong-color);
}

.url-form input {
    flex: 1 1 20rem;
    padding: 0.6rem var(--spacing-md);
    font: inherit;
    color: var(--text-color);
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
}

/* Both real buttons and download links wear this, so `font: inherit` undoes
   the browser's own button font before the shared weight applies. */
.button {
    display: inline-block;
    padding: 0.6rem 1.4rem;
    font: inherit;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    background: var(--background-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-md);
    cursor: pointer;
}

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

.button.primary {
    color: #ffffff;
    background: var(--primary-color);
}

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

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

/* Results */

.verified-url {
    overflow-wrap: anywhere;
}

/* One banner slot: an error in red, a warning in the expired amber — the text
   says which, the color only underlines it. */
.banner {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--invalid-color);
    color: var(--invalid-color);
    font-weight: 600;
}

.banner[data-kind="warning"] {
    border-color: var(--expired-color);
    color: var(--expired-color);
}

.document-details {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: var(--spacing-sm) var(--spacing-lg);
    align-items: baseline;
    margin: var(--spacing-lg) 0;
}

.document-details dt {
    font-weight: 600;
    color: var(--text-strong-color);
}

.document-details dd {
    margin: 0;
    overflow-wrap: anywhere;
}

/* Signature rows */

.signatures {
    margin: var(--spacing-lg) 0;
    padding: 0;
    list-style: none;
}

.signatures li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: var(--surface-color);
    border-radius: var(--border-radius-lg);
}

.signer-picture {
    flex: none;
    width: 3rem;
    height: 3rem;
    object-fit: cover;
    border-radius: 50%;
    background: var(--border-color);
}

.signer {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.signer code {
    font-size: 0.85rem;
}

.signature-time,
.signature-detail {
    font-size: 0.9rem;
    color: var(--text-muted-color);
}

/* The verdict, colored per status — and always worded, never color alone:
   valid green, expired amber, invalid red are two of a pair to a colorblind
   reader. */
.status-badge {
    flex: none;
    margin-inline-start: auto;
    padding: 0.2rem 0.8rem;
    font-weight: 700;
    border-radius: var(--border-radius-md);
    border: 2px solid var(--status-color, var(--text-muted-color));
    color: var(--status-color, var(--text-muted-color));
}

.signatures li[data-status="valid"] { --status-color: var(--valid-color); }
.signatures li[data-status="expired"] { --status-color: var(--expired-color); }
.signatures li[data-status="invalid"] { --status-color: var(--invalid-color); }

/* Footer */

.site-footer {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-xxl);
    color: var(--text-muted-color);
    text-align: center;
}

.site-footer p {
    margin: var(--spacing-sm) 0;
}

@media (max-width: 40rem) {
    .signatures li {
        flex-wrap: wrap;
    }
}