/* ============================================================
   Validador público — paleta de marca Landerpharma
   Según Manual de Identidad Corporativa: negro + dorado #e0b84d.
   Tipografía: Montserrat (Google Fonts).
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&display=swap");

:root {
    --lph-gold:        #e0b84d;
    --lph-gold-dark:   #a87c0d;
    --lph-gold-light:  #e3c153;
    --lph-gold-soft:   #fcf6e3;
    --lph-ink:         #000000;
    --lph-muted:       #666666;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    background: linear-gradient(165deg, #fcf6e3 0%, #ffffff 60%);
    color: var(--lph-ink);
    min-height: 100vh;
}

main {
    max-width: 480px;
    margin: 0 auto;
    padding: env(safe-area-inset-top, 16px) 16px env(safe-area-inset-bottom, 16px);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header con logo */
header {
    text-align: center;
    padding: 28px 0 16px;
}

header .brand-logo {
    display: block;
    margin: 0 auto 12px;
    max-height: 80px;
    max-width: 70%;
    height: auto;
    filter: drop-shadow(0 2px 8px rgba(168, 124, 13, 0.18));
}

header h1 {
    margin: 0;
    font-size: 16px;
    color: var(--lph-gold-dark);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-weight: 600;
}

header .subtitle {
    margin: 4px 0 0;
    font-size: 13px;
    color: var(--lph-muted);
}

/* Cards de estado */
.card {
    background: #fff;
    border-radius: 16px;
    padding: 28px 22px;
    box-shadow: 0 4px 18px rgba(168, 124, 13, 0.10), 0 1px 3px rgba(0,0,0,0.04);
    margin: 12px 0;
    text-align: center;
    animation: fadein 0.25s ease-out;
    border-top: 3px solid var(--lph-gold-light);
}

@keyframes fadein {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.card.ok { border-top-color: #10b981; }
.card.warn { border-top-color: #f59e0b; }
.card.err { border-top-color: #ef4444; }

.card h2 {
    margin: 14px 0 16px;
    font-size: 22px;
    color: var(--lph-ink);
    font-weight: 600;
}

.card p {
    margin: 8px 0;
    line-height: 1.55;
    color: #374151;
}

/* Badges grandes de estado */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    margin: 0 auto;
    box-shadow: 0 4px 14px rgba(0,0,0,0.12);
}

.ok .badge { background: #10b981; }
.warn .badge { background: #f59e0b; }
.err .badge { background: #ef4444; }

/* Foto del producto (validador rico) */
.producto-foto {
    margin: -8px -6px 14px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--lph-gold-soft);
    aspect-ratio: 16 / 10;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 0 0 1px rgba(168, 124, 13, 0.12);
}
.producto-foto img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.producto-nombre {
    margin: 14px 0 4px;
    font-size: 22px;
    font-weight: 700;
    color: var(--lph-ink);
    letter-spacing: 0.3px;
    line-height: 1.2;
}

.producto-descripcion {
    margin: 0 0 8px;
    font-size: 13px;
    color: var(--lph-muted);
    line-height: 1.45;
}

/* Semáforo de vencimiento */
.vencimiento-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 18px 0 10px;
    padding: 12px 14px;
    border-radius: 12px;
    background: var(--lph-gold-soft);
    font-size: 14px;
    color: var(--lph-ink);
    flex-wrap: wrap;
    border-left: 4px solid var(--lph-gold-light);
}
.vencimiento-icon { font-size: 18px; line-height: 1; }
.vencimiento-texto { font-weight: 600; }
.vencimiento-fecha {
    color: var(--lph-muted);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.venc-ok { background: #ecfdf5; border-left-color: #10b981; color: #065f46; }
.venc-ok .vencimiento-fecha { color: #047857; }
.venc-pronto { background: #fffbeb; border-left-color: #f59e0b; color: #78350f; }
.venc-pronto .vencimiento-fecha { color: #92400e; }
.venc-vencido { background: #fef2f2; border-left-color: #ef4444; color: #7f1d1d; }
.venc-vencido .vencimiento-fecha { color: #991b1b; }

.lote-line {
    margin: 12px 0 0;
    font-size: 12px;
    color: var(--lph-muted);
    letter-spacing: 0.3px;
    text-transform: uppercase;
}
.lote-line span {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    color: var(--lph-ink);
    font-weight: 600;
    text-transform: none;
}

/* Aviso de severidad */
.aviso {
    margin-top: 16px;
    padding: 14px;
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
    border-radius: 8px;
    text-align: left;
    font-size: 14px;
    color: #78350f;
}

/* Botones */
button {
    margin-top: 16px;
    padding: 12px 24px;
    background: var(--lph-gold);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, transform .1s;
}

button:hover { background: var(--lph-gold-dark); }
button:active { transform: scale(0.98); }

/* Spinner */
.spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 16px;
    border: 4px solid var(--lph-gold-soft);
    border-top-color: var(--lph-gold);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.hidden { display: none; }

footer {
    margin-top: auto;
    padding: 24px 8px 16px;
    text-align: center;
}

footer small {
    color: var(--lph-muted);
    font-size: 11px;
    line-height: 1.5;
}