:root {
    --accent: #1e66d0;
    --accent-ink: #ffffff;
    --bg: #eef1f4;
    --card: #ffffff;
    --ink: #1f2733;
    --ink-soft: #5b6673;
    --line: #e2e7ec;
    --field: #ffffff;
    --field-line: #cdd5de;
    --danger: #c0392b;
    --ok: #1c7c46;
    --radius: 14px;
    --shadow: 0 10px 40px rgba(20, 33, 61, .10);
    --maxw: 760px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #12151a;
        --card: #1b1f26;
        --ink: #e8ecf1;
        --ink-soft: #9aa4b1;
        --line: #2b313a;
        --field: #232830;
        --field-line: #3a424d;
        --shadow: 0 10px 40px rgba(0, 0, 0, .45);
    }
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    background: var(--bg);
    color: var(--ink);
    font: 15px/1.5 "Segoe UI", Roboto, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

.shell {
    flex: 1;
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: clamp(20px, 5vw, 56px) 16px 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: clamp(20px, 4vw, 40px);
}

.card__head {
    display: flex;
    align-items: flex-start;
}

.logo {
    max-width: 240px;
    max-height: 90px;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
}

/* logos raster sin transparencia (JPG): en modo oscuro llevan una placa blanca
   detras para no verse como un recorte; en claro no cambia nada (blanco sobre blanco). */
.logo--placa {
    padding: 10px 16px;
    border-radius: 10px;
}

@media (prefers-color-scheme: dark) {
    .logo--placa { background: #ffffff; }
}

.card__title {
    margin: 22px 0 4px;
    font-size: clamp(18px, 3.5vw, 23px);
    font-weight: 650;
    letter-spacing: .2px;
}

.card__subtitle {
    margin: 0 0 22px;
    color: var(--ink-soft);
    font-size: 14px;
}

.form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px 20px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 7px;
    min-width: 0;
}

.field--full {
    grid-column: 1 / -1;
}

label {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
}

.hint {
    font-weight: 400;
    color: var(--ink-soft);
}

input[type="text"],
select {
    width: 100%;
    padding: 11px 12px;
    font: inherit;
    color: var(--ink);
    background: var(--field);
    border: 1px solid var(--field-line);
    border-radius: 10px;
    transition: border-color .15s, box-shadow .15s;
}

input[type="text"]:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

input::placeholder { color: var(--ink-soft); opacity: .7; }

.date-field {
    position: relative;
    display: block;
}

.date-field input[type="text"] {
    padding-right: 46px;
}

.date-field__btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--ink-soft);
    cursor: pointer;
    transition: background .15s, color .15s;
}

.date-field__btn:hover {
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    color: var(--accent);
}

.date-field__btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* input date nativo: invisible, solo sirve de ancla para el calendario del navegador */
.date-field__native {
    position: absolute;
    right: 10px;
    bottom: 0;
    width: 1px;
    height: 1px;
    padding: 0;
    border: 0;
    opacity: 0;
    pointer-events: none;
}

.check {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
}

.check input { width: 18px; height: 18px; accent-color: var(--accent); }

.hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.g-recaptcha-holder {
    min-height: 78px;
}

@media (max-width: 360px) {
    /* el widget mide 304px de ancho; se reduce en pantallas muy angostas */
    .g-recaptcha-holder {
        transform: scale(0.9);
        transform-origin: 0 0;
    }
}

.formatos {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    border-top: 1px solid var(--line);
    padding-top: 16px;
}

.formatos__label { font-size: 13px; font-weight: 600; }

.formatos__note { font-size: 12px; color: var(--ink-soft); }

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid var(--field-line);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.pill input { accent-color: var(--accent); }

.pill:has(input:checked) {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    color: var(--accent);
}

.pill[hidden] { display: none; }

.btn {
    appearance: none;
    border: 0;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: 999px;
    background: var(--accent);
    color: var(--accent-ink);
    font: inherit;
    font-weight: 700;
    letter-spacing: .6px;
    text-decoration: none;
    transition: filter .15s, transform .05s;
    margin: 4px auto 0;
}

.btn:hover { filter: brightness(1.06); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn--ghost {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.btn--sm { padding: 9px 18px; font-size: 13px; letter-spacing: .3px; margin: 0; }

.btn__icon { flex: none; }

.msg {
    grid-column: 1 / -1;
    margin: 4px 0 0;
    padding: 11px 14px;
    border-radius: 10px;
    font-size: 13.5px;
    background: color-mix(in srgb, var(--danger) 12%, transparent);
    color: var(--danger);
    border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent);
}

.msg--ok {
    background: color-mix(in srgb, var(--ok) 12%, transparent);
    color: var(--ok);
    border-color: color-mix(in srgb, var(--ok) 35%, transparent);
}

/* ---------- resultado ---------- */

.result__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.result__bar h2 { margin: 0; font-size: 18px; }

.meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 8px 20px;
    margin: 0 0 18px;
    padding: 14px 16px;
    background: var(--field);
    border: 1px solid var(--line);
    border-radius: 10px;
}

.meta div { display: flex; flex-direction: column; }
.meta dt { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--ink-soft); }
.meta dd { margin: 0; font-weight: 600; font-size: 14px; }

.result__actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.viewer {
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg);
}

.viewer iframe {
    width: 100%;
    height: min(70vh, 720px);
    border: 0;
    display: block;
}

.result__expira {
    margin: 12px 0 0;
    font-size: 12px;
    color: var(--ink-soft);
}

/* ---------- footer ---------- */

.foot {
    text-align: center;
    padding: 16px;
    font-size: 12.5px;
    color: var(--ink-soft);
    background: var(--accent);
    color: var(--accent-ink);
}

/* ---------- responsive ---------- */

@media (max-width: 560px) {
    .form { grid-template-columns: 1fr; }
    .logo { max-width: 200px; }
    .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
}