/* =============================================================
   Verificador de Comprobantes - Mauw Tienda
   Mobile-first stylesheet
   ============================================================= */

:root {
    --cf-azul:        #1F2C5C;
    --cf-azul-dark:   #162045;
    --cf-naranja:     #E64A1A;
    --cf-naranja-h:   #c93f15;
    --cf-blanco:      #ffffff;
    --cf-gris-fondo:  #f4f5f9;
    --cf-gris-borde:  #e3e6ee;
    --cf-gris-texto:  #6b7280;
    --cf-verde:       #10b981;
    --cf-verde-bg:    #d1fae5;
    --cf-rojo:        #dc2626;
    --cf-rojo-bg:     #fee2e2;
    --cf-amarillo:    #f59e0b;
    --cf-amarillo-bg: #fef3c7;

    --radius:    14px;
    --radius-lg: 22px;
    --shadow:    0 2px 8px rgba(31, 44, 92, 0.08);
    --shadow-lg: 0 8px 24px rgba(31, 44, 92, 0.16);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--cf-gris-fondo);
    color: var(--cf-azul);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    padding-bottom: env(safe-area-inset-bottom);
}

/* ---------- Header ---------- */
.header {
    background: var(--cf-azul);
    color: var(--cf-blanco);
    padding: 16px 20px calc(16px + env(safe-area-inset-top));
    padding-top: calc(16px + env(safe-area-inset-top));
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    box-shadow: var(--shadow);
}
.header .logo {
    width: 44px; height: 44px;
    background: var(--cf-blanco);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}
.header .logo svg { width: 26px; height: 26px; }
.header .logo.logo-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    border-radius: 50%;
}
.header h1 {
    font-size: 16px;
    margin: 0;
    line-height: 1.2;
    font-weight: 600;
}
.header h1 small {
    display: block;
    font-size: 12px;
    font-weight: 400;
    opacity: 0.8;
    margin-top: 2px;
}

/* ---------- Container ---------- */
.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 20px 16px 40px;
}

/* ---------- Card ---------- */
.card {
    background: var(--cf-blanco);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 16px;
}

/* ---------- Inputs ---------- */
.field { margin-bottom: 14px; }
.field label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--cf-azul);
}
.field input[type="text"] {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--cf-gris-borde);
    border-radius: 10px;
    font-size: 16px;
    background: var(--cf-blanco);
    color: var(--cf-azul);
    -webkit-appearance: none;
}
.field input[type="text"]:focus {
    outline: none;
    border-color: var(--cf-naranja);
    box-shadow: 0 0 0 3px rgba(230, 74, 26, 0.15);
}

/* ---------- Botones ---------- */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 16px;
    border: 0;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform .08s, background .15s;
    -webkit-tap-highlight-color: transparent;
    text-decoration: none;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
    background: var(--cf-naranja);
    color: var(--cf-blanco);
    box-shadow: 0 4px 12px rgba(230, 74, 26, 0.25);
}
.btn-primary:hover { background: var(--cf-naranja-h); }
.btn-secondary {
    background: var(--cf-blanco);
    color: var(--cf-azul);
    border: 2px solid var(--cf-azul);
}
.btn-secondary:hover { background: var(--cf-azul); color: var(--cf-blanco); }
.btn-ghost {
    background: transparent;
    color: var(--cf-gris-texto);
    border: 1px solid var(--cf-gris-borde);
}
.btn-ghost:hover { background: var(--cf-gris-fondo); }
.btn-block-bottom { margin-top: 20px; }

.btn-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 8px;
}
.btn-grid .btn { padding: 14px 8px; font-size: 14px; }

/* ---------- Drop zone ---------- */
.drop-zone {
    border: 2px dashed var(--cf-gris-borde);
    border-radius: var(--radius);
    padding: 32px 16px;
    text-align: center;
    cursor: pointer;
    transition: all .2s;
    background: #fafbfd;
}
.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--cf-naranja);
    background: #fff7f3;
}
.drop-zone .icon {
    font-size: 48px;
    line-height: 1;
    color: var(--cf-naranja);
    margin-bottom: 8px;
}
.drop-zone .hint {
    color: var(--cf-gris-texto);
    font-size: 13px;
    margin-top: 6px;
}

/* ---------- Preview ---------- */
.preview-box {
    margin-top: 14px;
    text-align: center;
    background: var(--cf-gris-fondo);
    border-radius: var(--radius);
    padding: 12px;
}
.preview-box img {
    max-width: 100%;
    max-height: 280px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

/* ---------- Loader ---------- */
.loader-overlay {
    position: fixed; inset: 0;
    background: rgba(31, 44, 92, 0.85);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    color: var(--cf-blanco);
    text-align: center;
    padding: 0 20px;
}
.loader-spinner {
    width: 56px; height: 56px;
    border: 4px solid rgba(255,255,255,0.25);
    border-top-color: var(--cf-naranja);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
    margin-bottom: 18px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loader-text { font-size: 16px; font-weight: 500; margin-bottom: 4px; }
.loader-sub { font-size: 13px; opacity: 0.8; }

/* ---------- Veredicto ---------- */
.veredicto-card {
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    margin-bottom: 16px;
    color: var(--cf-blanco);
}
.veredicto-card.verdadero { background: linear-gradient(135deg, #10b981 0%, #059669 100%); }
.veredicto-card.falso     { background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%); }
.veredicto-card.sospechoso{ background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); }
.veredicto-card.no_verificable { background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%); }
.veredicto-card.error     { background: linear-gradient(135deg, #6b7280 0%, #374151 100%); }

.veredicto-icon {
    font-size: 64px;
    line-height: 1;
    margin-bottom: 8px;
}
.veredicto-title {
    font-size: 38px;
    font-weight: 800;
    letter-spacing: 1px;
    margin: 4px 0 8px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.15);
}
.veredicto-msg {
    font-size: 14px;
    opacity: 0.95;
    line-height: 1.5;
    max-width: 360px;
    margin: 0 auto;
}
.veredicto-score {
    margin-top: 14px;
    display: inline-block;
    background: rgba(255,255,255,0.2);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

/* ---------- Tabla comparativa ---------- */
.tabla-comparacion {
    margin-top: 8px;
}
.tabla-comparacion h3 {
    font-size: 14px;
    color: var(--cf-gris-texto);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 12px;
    font-weight: 600;
}
.row-campo {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 14px 0;
    border-bottom: 1px solid var(--cf-gris-borde);
}
.row-campo:last-child { border-bottom: 0; }
.row-campo .label {
    font-size: 13px;
    color: var(--cf-gris-texto);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}
.row-campo .badge {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--cf-azul);
    color: var(--cf-blanco);
    font-weight: 700;
    letter-spacing: 0.3px;
}
.row-campo .valores {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 8px;
    align-items: center;
    font-size: 14px;
}
.row-campo .v-qr,
.row-campo .v-ocr {
    word-break: break-all;
    line-height: 1.4;
}
.row-campo .v-qr {
    font-weight: 600;
    color: var(--cf-azul);
}
.row-campo .v-ocr {
    color: var(--cf-gris-texto);
    text-align: right;
}
.row-campo .estado-icon {
    font-size: 18px;
    flex-shrink: 0;
}
.row-campo.coincide .estado-icon { color: var(--cf-verde); }
.row-campo.coincide_menor .estado-icon { color: var(--cf-amarillo); }
.row-campo.difiere {
    background: var(--cf-rojo-bg);
    border-radius: 8px;
    padding-left: 10px; padding-right: 10px;
    border: 1px solid var(--cf-rojo);
}
.row-campo.difiere .estado-icon { color: var(--cf-rojo); }
.row-campo.difiere .v-ocr { color: var(--cf-rojo); font-weight: 600; }
.row-campo.ocr_vacio .estado-icon { color: var(--cf-gris-texto); }

.tabla-header {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 8px;
    padding: 8px 0;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--cf-gris-texto);
    font-weight: 700;
    border-bottom: 2px solid var(--cf-gris-borde);
    margin-bottom: 4px;
}
.tabla-header .h-qr { color: var(--cf-azul); }
.tabla-header .h-ocr { text-align: right; }
.tabla-header .h-est { width: 18px; }

/* ---------- Toast / mensaje ---------- */
.alerta {
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.4;
}
.alerta.error { background: var(--cf-rojo-bg); color: var(--cf-rojo); border: 1px solid var(--cf-rojo); }
.alerta.info  { background: #e0f2fe; color: #0369a1; border: 1px solid #7dd3fc; }

/* ---------- Footer ---------- */
.footer {
    text-align: center;
    color: var(--cf-gris-texto);
    font-size: 12px;
    margin-top: 24px;
    padding: 0 16px;
}
.footer a { color: var(--cf-azul); text-decoration: none; font-weight: 600; }

/* ---------- Detalle expandible ---------- */
details.detalles-tecnicos {
    margin-top: 14px;
    border-top: 1px solid var(--cf-gris-borde);
    padding-top: 14px;
}
details.detalles-tecnicos summary {
    cursor: pointer;
    color: var(--cf-gris-texto);
    font-size: 13px;
    font-weight: 500;
    list-style: none;
    user-select: none;
}
details.detalles-tecnicos summary::-webkit-details-marker { display: none; }
details.detalles-tecnicos summary::before {
    content: '▸ ';
    display: inline-block;
    transition: transform .15s;
}
details.detalles-tecnicos[open] summary::before { transform: rotate(90deg); }
details.detalles-tecnicos pre {
    background: var(--cf-gris-fondo);
    padding: 10px;
    border-radius: 8px;
    font-size: 11px;
    word-break: break-all;
    white-space: pre-wrap;
    margin-top: 10px;
    color: var(--cf-gris-texto);
}

/* ---------- Campos NO observables (no visibles en este tipo) ---------- */
.row-campo.no-visible-tipo {
    opacity: 0.85;
    background: var(--cf-gris-fondo);
}
.row-campo.no-visible-tipo .v-ocr.no-visible-msg {
    color: var(--cf-gris-texto);
    font-style: italic;
    font-size: 12px;
    font-weight: 400;
}
.row-campo.no-visible-tipo .estado-icon {
    color: var(--cf-gris-texto);
    opacity: 0.7;
}
.row-campo.no_visible .label,
.row-campo.no-visible-tipo .label {
    color: var(--cf-gris-texto);
}

/* ---------- Chip del tipo de comprobante ---------- */
.tipo-chip-row {
    display: flex;
    justify-content: center;
    margin-bottom: 12px;
}
.tipo-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 14px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    color: #fff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.10);
}
.tipo-chip.tipo-pichincha { background: var(--cf-azul); }       /* #1F2C5C */
.tipo-chip.tipo-deuna     { background: #6F2DA8; }               /* violeta DeUna */
.tipo-chip.tipo-otro      { background: var(--cf-gris-texto); }  /* fallback gris */

/* ---------- Tablet/Desktop ---------- */
@media (min-width: 600px) {
    .container { padding: 28px 24px; max-width: 540px; }
    .veredicto-title { font-size: 48px; }
    .veredicto-icon { font-size: 80px; }
}