/*
 * style.css - Huisstijl voor Secure Share.
 * Creme achtergrond, terracotta accenten, donkerbruin, ronde hoeken,
 * met een subtiele glassmorphism-laag (matglas + zachte diepte).
 * Fonts lokaal gehost (geen CDN, invariant 5): Poppins voor titels,
 * Mulish voor body.
 */

@font-face {
    font-family: 'Poppins';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('fonts/poppins-600.woff2') format('woff2');
}
@font-face {
    font-family: 'Poppins';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('fonts/poppins-700.woff2') format('woff2');
}
@font-face {
    /* Variabel font: een bestand dekt 400-700. */
    font-family: 'Mulish';
    font-style: normal;
    font-weight: 400 700;
    font-display: swap;
    src: url('fonts/mulish-var.woff2') format('woff2');
}

:root {
    --cream: #f5efe2;
    --card: #fffdf8;
    --brown: #2c2420;
    --text: #3a322c;
    --muted: #7a7065;
    --clay: #bd7359;        /* decoratief: randen, accenten */
    --clay-text: #a8553a;   /* terracotta als tekst (labels) */
    --btn: #a8553a;         /* knopvulling, contrastvast op wit */
    --btn-top: #bd6f52;     /* lichte top van de knop-gradient */
    --btn-hover: #8f4730;
    --btn-hover-top: #a05539;
    --border: #e6dcc8;
    --field-border: rgba(60, 48, 40, 0.15); /* doorschijnend, blendt in het glas */
    --warn-bg: #f7ece0;
    --warn-border: #e3c6ad;
    --error: #9c2b22;
    --radius: 20px;
    --radius-card: 20px;
    --radius-pill: 999px;

    /* Glassmorphism */
    --glass-card: rgba(255, 253, 248, 0.52);
    --glass-field: rgba(255, 255, 255, 0.72);
    --glass-field-focus: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.25);
    --glass-warn: rgba(247, 236, 224, 0.72);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    padding: 2rem 1rem 3rem;
    min-height: 100vh;
    background: linear-gradient(180deg, #f7f1e6 0%, var(--cream) 40%, #efe7d8 100%);
    color: var(--text);
    font-family: 'Mulish', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Zachte terracotta glows als diepte achter het matglas. */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(40rem 40rem at 8% 12%, rgba(189, 115, 89, 0.34), transparent 60%),
        radial-gradient(38rem 38rem at 92% 84%, rgba(168, 85, 58, 0.30), transparent 62%),
        radial-gradient(30rem 30rem at 62% 18%, rgba(214, 168, 120, 0.26), transparent 60%);
}

main {
    max-width: 40rem;
    margin: 0 auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin: 0 auto 1.25rem;
    max-width: 40rem;
}
.brand .logo { flex: 0 0 auto; }
.brand .wordmark {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--brown);
    letter-spacing: -0.01em;
}

.card {
    position: relative;
    background: var(--glass-card);
    -webkit-backdrop-filter: blur(18px) saturate(1.25);
    backdrop-filter: blur(18px) saturate(1.25);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    padding: 1.9rem;
    box-shadow:
        0 24px 60px -30px rgba(44, 36, 32, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

/* Terugval voor browsers zonder backdrop-filter: solide card. */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .card { background: var(--card); }
}

h1, h2 {
    font-family: 'Poppins', sans-serif;
    color: var(--brown);
    line-height: 1.2;
}
h1 { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.015em; margin: 0 0 0.4rem; }
h2 { font-size: 1.25rem; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 0.6rem; }

.intro { color: var(--muted); margin-top: 0; }

label {
    display: block;
    margin: 1.1rem 0 0.3rem;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--brown);
}

textarea,
input[type="text"],
input[type="password"],
select {
    width: 100%;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--field-border);
    border-radius: var(--radius);
    font: inherit;
    background: var(--glass-field);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    color: var(--text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}
textarea { resize: vertical; min-height: 8rem; }

textarea:focus,
input[type="text"]:focus,
input[type="password"]:focus,
select:focus {
    outline: none;
    border-color: var(--clay);
    background-color: var(--glass-field-focus);
    box-shadow: 0 0 0 4px rgba(189, 115, 89, 0.18);
}

/* Dropdown in huisstijl: eigen chevron via CSS-gradients (geen
   data:-afbeelding, dus CSP-veilig). De geopende optielijst wordt
   door het OS getekend en is niet volledig te stylen. */
select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    cursor: pointer;
    padding-right: 2.4rem;
    background-color: var(--glass-field);
    background-image:
        linear-gradient(45deg, transparent 50%, var(--clay) 50%),
        linear-gradient(135deg, var(--clay) 50%, transparent 50%);
    background-position:
        calc(100% - 1.2rem) 1.05rem,
        calc(100% - 0.85rem) 1.05rem;
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
}
select::-ms-expand { display: none; }

input[type="file"] {
    width: 100%;
    padding: 0.55rem;
    border: 1px dashed var(--field-border);
    border-radius: var(--radius);
    background: var(--glass-field);
    font: inherit;
}

/* "Bestand kiezen"-knop als terracotta pill. Twee aparte regels:
   cross-engine pseudo-elementen mogen niet in een selectorlijst. */
input[type="file"]::file-selector-button {
    margin-right: 0.85rem;
    padding: 0.45rem 1.05rem;
    border: 0;
    border-radius: var(--radius-pill);
    background: linear-gradient(180deg, var(--btn-top), var(--btn));
    color: #fff;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}
input[type="file"]::file-selector-button:hover {
    background: linear-gradient(180deg, var(--btn-hover-top), var(--btn-hover));
}
input[type="file"]::-webkit-file-upload-button {
    margin-right: 0.85rem;
    padding: 0.45rem 1.05rem;
    border: 0;
    border-radius: var(--radius-pill);
    background: linear-gradient(180deg, var(--btn-top), var(--btn));
    color: #fff;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
}

.check-row {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin-top: 1.1rem;
}
.check-row label { margin: 0; font-weight: 400; font-family: 'Mulish', sans-serif; color: var(--text); }
.check-row input { width: auto; accent-color: var(--clay); }

button,
.button-link {
    display: inline-block;
    margin-top: 1.4rem;
    padding: 0.7rem 1.5rem;
    border: 0;
    border-radius: var(--radius-pill);
    background: linear-gradient(180deg, var(--btn-top), var(--btn));
    color: #fff;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 10px 22px -12px rgba(168, 85, 58, 0.65);
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
}
button:hover,
.button-link:hover {
    background: linear-gradient(180deg, var(--btn-hover-top), var(--btn-hover));
    box-shadow: 0 14px 28px -12px rgba(168, 85, 58, 0.75);
}
button:active,
.button-link:active { box-shadow: 0 8px 18px -12px rgba(168, 85, 58, 0.6); }
button:disabled { opacity: 0.6; cursor: wait; box-shadow: none; }

button.secondary {
    background: transparent;
    color: var(--clay-text);
    padding: 0.5rem 0.9rem;
    box-shadow: none;
}
button.secondary:hover { background: rgba(189, 115, 89, 0.12); box-shadow: none; }

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

.link-row {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
    margin-top: 0.5rem;
}
.link-row input { flex: 1; font-size: 0.85rem; }
.link-row button { margin-top: 0; white-space: nowrap; align-self: stretch; padding-top: 0; padding-bottom: 0; }

.warning {
    background: var(--glass-warn);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border: 1px solid var(--warn-border);
    border-radius: var(--radius);
    padding: 0.8rem 1rem;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.6rem;
    color: var(--muted);
    font-size: 0.9rem;
}
.file-info button { margin-top: 0; }

.hint-inline { font-weight: 400; color: var(--muted); font-size: 0.9rem; }

#progress-row { margin-top: 1.2rem; }
#send-progress {
    width: 100%;
    height: 0.6rem;
    border: 0;
    border-radius: var(--radius-pill);
    background: rgba(236, 227, 211, 0.8);
    overflow: hidden;
    -webkit-appearance: none;
    appearance: none;
}
#send-progress::-webkit-progress-bar { background: rgba(236, 227, 211, 0.8); }
#send-progress::-webkit-progress-value { background: var(--clay); transition: width 0.2s ease; }
#send-progress::-moz-progress-bar { background: var(--clay); }

#message-output {
    background: rgba(255, 255, 255, 0.78);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.9rem 1rem;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: 'Mulish', sans-serif;
    margin: 0;
}

.error { color: var(--error); margin-top: 1rem; }
.hint { color: var(--muted); font-size: 0.9rem; }

.noscript-note {
    margin: 0 0 1.25rem;
    background: var(--glass-warn);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border: 1px solid var(--warn-border);
    border-radius: var(--radius);
    padding: 0.8rem 1rem;
    color: var(--brown);
}

footer { margin-top: 1.75rem; }
.privacy {
    color: var(--muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    padding-top: 0.9rem;
    margin-bottom: 0;
}

/* Zachte intro van panelen die na een handeling verschijnen. */
@keyframes panel-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: none; }
}
#result, #display, #unavailable, #bad-link, #gate {
    animation: panel-in 0.35s ease both;
}

@media (max-width: 30rem) {
    body { padding: 1.25rem 0.75rem 2rem; }
    .card { padding: 1.25rem; border-radius: var(--radius); }
    h1 { font-size: 1.45rem; }
    .link-row { flex-direction: column; }
    .link-row button { padding: 0.7rem 1.5rem; }
}

/* Respecteer de voorkeur voor minder beweging. */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}