/* Estilos base de la plataforma. Usa propiedades lógicas para facilitar RTL. */
:root {
    --color-bg: #f7f8fa;
    --color-surface: #ffffff;
    --color-text: #1f2430;
    --color-muted: #6b7280;
    --color-primary: #2b5fd9;
    --color-primary-dark: #1e46a8;
    --color-border: #e3e6ec;
    --color-danger: #c0392b;
    --color-success: #1e8e4e;
    --radius: 8px;
    --container: 1080px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

.container {
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 1rem;
}

.site-header {
    background: var(--color-surface);
    border-block-end: 1px solid var(--color-border);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 84px;
    padding-block: 0.5rem;
}

.brand {
    display: flex;
    align-items: center;
    line-height: 0;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-primary);
    text-decoration: none;
}

main.container { padding-block: 2rem; min-height: 60vh; }

.site-footer {
    border-block-start: 1px solid var(--color-border);
    padding-block: 1rem;
    color: var(--color-muted);
}

.hero { text-align: center; padding-block: 3rem; }

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

button, .btn {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    border: 0;
    border-radius: var(--radius);
    padding: 0.6rem 1.2rem;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
}

button:hover, .btn:hover { background: var(--color-primary-dark); }

/* Formularios y mensajes */
.form-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
    max-width: 480px;
    margin-inline: auto;
}

.form-card label { display: block; margin-block-end: 1rem; font-weight: 600; }
.form-card label.checkbox { font-weight: 400; }

.form-card input[type="text"],
.form-card input[type="email"],
.form-card input[type="password"] {
    display: block;
    width: 100%;
    padding: 0.55rem 0.75rem;
    margin-block-start: 0.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
}

.form-card fieldset {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-block: 1.5rem;
    padding: 1rem;
}

.field-error { display: block; color: var(--color-danger); font-size: 0.85rem; font-weight: 400; }

.flash {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-block-end: 1rem;
}
.flash-success { background: #e6f6ec; color: var(--color-success); border: 1px solid #bfe7cd; }
.flash-error { background: #fdeceb; color: var(--color-danger); border: 1px solid #f5c6c1; }
.flash-info { background: #e8f0fe; color: var(--color-primary-dark); border: 1px solid #c8d9f7; }

.main-nav { display: flex; align-items: center; gap: 1rem; }
.inline-form { display: inline; }
.btn-link {
    background: none;
    color: var(--color-primary);
    padding: 0;
    font-size: 1rem;
    cursor: pointer;
    border: 0;
}
.btn-link:hover { background: none; text-decoration: underline; }

/* Pie y selector de idioma */
.footer-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.lang-switcher { display: flex; gap: 0.6rem; font-size: 0.85rem; }
.lang-switcher a { color: var(--color-muted); text-decoration: none; }
.lang-switcher a.active { color: var(--color-primary); font-weight: 700; }

/* Tablas de datos y formularios anchos */
.data-table { width: 100%; border-collapse: collapse; background: var(--color-surface); }
.data-table th, .data-table td {
    text-align: start;
    padding: 0.5rem 0.75rem;
    border-block-end: 1px solid var(--color-border);
}
.data-table th { background: var(--color-bg); }
.form-wide { max-width: 720px; margin-inline: 0; }
.form-card select {
    display: block;
    padding: 0.5rem;
    margin-block-start: 0.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

/* Precios y checkout */
.pricing-grid { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.price-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    flex: 1 1 220px;
    max-width: 300px;
    text-align: center;
}
.price-card .price { font-size: 1.8rem; font-weight: 700; }
.price-card .interval { font-size: 0.9rem; color: var(--color-muted); font-weight: 400; }
.price-card .trial { color: var(--color-success); }
.totals-table { width: 100%; margin-block: 1rem; border-collapse: collapse; }
.totals-table td { padding: 0.35rem 0; border-block-end: 1px solid var(--color-border); }
.totals-table .num { text-align: end; }
.totals-table .total td { border-block-end: none; font-size: 1.1rem; }
.muted { color: var(--color-muted); }
.btn-secondary { background: var(--color-muted); }

/* Dashboard admin */
.stat-grid { display: flex; flex-wrap: wrap; gap: 1rem; margin-block: 1.5rem; }
.stat {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    min-width: 160px;
    display: flex;
    flex-direction: column;
}
.stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-label { color: var(--color-muted); font-size: 0.85rem; }
.revenue-table .bar-cell { width: 50%; }
.revenue-table .bar { background: var(--color-primary); height: 14px; border-radius: 3px; min-width: 2px; }
.btn-danger { background: var(--color-danger); }
.totp-secret { font-size: 1.1rem; letter-spacing: 0.15em; word-break: break-all; }

.brand-logo { max-height: 64px; max-width: 260px; }

/* Logo, catálogo y widget de ayuda */
.brand-img { height: 56px; width: auto; display: block; }
.catalog-grid { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.catalog-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    flex: 1 1 280px;
    max-width: 360px;
}
.catalog-logo { max-height: 48px; max-width: 200px; margin-block-end: 0.5rem; }
.catalog-actions { display: flex; gap: 1rem; align-items: center; }
.num.pos { color: var(--color-success); }
.num.neg { color: var(--color-danger); }

#help-widget .help-fab {
    position: fixed;
    inset-inline-end: 1.25rem;
    inset-block-end: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 999px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
    z-index: 50;
}
.help-fab-icon { width: 22px; height: 22px; flex: none; }
#help-widget .help-panel {
    position: fixed;
    inset-inline-end: 1.25rem;
    inset-block-end: 4.5rem;
    width: min(360px, calc(100vw - 2.5rem));
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
    display: flex;
    flex-direction: column;
    z-index: 50;
}
.help-head {
    padding: 0.6rem 1rem;
    font-weight: 700;
    border-block-end: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.help-close { background: none; color: var(--color-muted); padding: 0 0.3rem; font-size: 1.2rem; }
.help-messages { padding: 0.75rem; max-height: 320px; overflow-y: auto; display: flex; flex-direction: column; gap: 0.5rem; }
.help-msg { padding: 0.5rem 0.75rem; border-radius: 10px; max-width: 85%; font-size: 0.92rem; }
.help-msg-bot { background: var(--color-bg); align-self: flex-start; }
.help-msg-user { background: var(--color-primary); color: #fff; align-self: flex-end; }
.help-form { display: flex; gap: 0.4rem; padding: 0.6rem; border-block-start: 1px solid var(--color-border); }
.help-form input { flex: 1; padding: 0.45rem 0.6rem; border: 1px solid var(--color-border); border-radius: var(--radius); }
#help-widget .help-panel[hidden] { display: none; }

/* Gráfica de evolución (SVG server-side) */
.chart-figure { margin: 0 0 1.5rem 0; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1rem; }
.evo-chart { width: 100%; height: auto; display: block; }
.evo-chart .grid-line { stroke: var(--color-border); stroke-width: 1; }
.evo-chart .axis-line { stroke: var(--color-muted); stroke-width: 1; }
.evo-chart .axis-label { fill: var(--color-muted); font-size: 11px; font-family: inherit; }
.evo-chart .bar-new { fill: #2b5fd9; }
.evo-chart .bar-churned { fill: #e8913a; }
.evo-chart .line-active { fill: none; stroke: #7a3ff2; stroke-width: 2; stroke-linejoin: round; }
.evo-chart .dot-active { fill: #7a3ff2; stroke: var(--color-surface); stroke-width: 2; }
.chart-legend { display: flex; gap: 1.25rem; margin-block-start: 0.5rem; color: var(--color-text); font-size: 0.85rem; }
.swatch { display: inline-block; width: 12px; height: 12px; border-radius: 3px; vertical-align: -1px; margin-inline-end: 4px; }
.swatch-new { background: #2b5fd9; }
.swatch-churned { background: #e8913a; }
.swatch-active { background: #7a3ff2; }
.card-title-link { color: var(--color-text); text-decoration: none; }
.card-title-link:hover { color: var(--color-primary); }
.product-page .lead { font-size: 1.15rem; color: var(--color-muted); }
.long-description { max-width: 760px; }
.form-card textarea {
    display: block;
    width: 100%;
    padding: 0.55rem 0.75rem;
    margin-block-start: 0.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
}

/* Tickets */
.ticket-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-block-end: 1rem;
}
.ticket-head { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-block-end: 0.25rem; }
.ticket-meta { color: var(--color-muted); font-size: 0.85rem; }
.ticket-status { padding: 1px 8px; border-radius: 999px; font-size: 0.8rem; }
.ticket-status-open { background: #fdeceb; color: var(--color-danger); }
.ticket-status-answered { background: #e8f0fe; color: var(--color-primary-dark); }
.ticket-status-closed { background: var(--color-bg); color: var(--color-muted); }
.ticket-reply { border-inline-start: 3px solid var(--color-primary); padding-inline-start: 0.75rem; margin-block: 0.5rem; }
.ticket-reply-form textarea { width: 100%; padding: 0.5rem; border: 1px solid var(--color-border); border-radius: var(--radius); font-family: inherit; }
.ticket-reply-form { margin-block-start: 0.5rem; }

/* Métricas: gráfica multi-serie y desgloses */
.evo-chart .line-pricing { fill: none; stroke: #2b5fd9; stroke-width: 2; stroke-linejoin: round; }
.evo-chart .line-checkout { fill: none; stroke: #e8913a; stroke-width: 2; stroke-linejoin: round; }
.evo-chart .line-purchase { fill: none; stroke: #7a3ff2; stroke-width: 2.5; stroke-linejoin: round; }
.evo-chart .dot-purchase { fill: #7a3ff2; stroke: var(--color-surface); stroke-width: 1.5; }
.breakdown-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; }
.breakdown-grid h3 { margin-block-end: 0.5rem; }

/* Panel de gestión: botones individuales en cuadrícula */
.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 0.9rem;
    margin-block: 1.5rem;
}
.admin-tile {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: 12px;
    padding: 0.9rem 1.1rem;
    text-decoration: none;
    color: var(--color-text);
    font-weight: 700;
    line-height: 1.25;
    box-shadow: 0 1px 3px rgba(16, 26, 51, 0.06);
    transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}
.admin-tile:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(16, 26, 51, 0.12);
    border-color: var(--color-primary);
}
.admin-tile img { width: 34px; height: 34px; flex-shrink: 0; }
.admin-tile .tile-text { display: flex; flex-direction: column; gap: 0.1rem; }
.admin-tile small { color: var(--color-muted); font-weight: 400; font-size: 0.78rem; }
.invoice-line-row { display: flex; gap: 0.5rem; margin-block-end: 0.5rem; }
.invoice-line-row input[type="text"]:first-child { flex: 1; }

/* Escaneo de tickets con IA */
.scan-card {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
    background: linear-gradient(135deg, rgba(25,200,180,0.08), rgba(41,121,255,0.08), rgba(138,63,252,0.10));
    border: 1.5px solid var(--color-border);
    border-radius: 16px;
    padding: 1.5rem;
    margin-block: 1.5rem;
}
.scan-main { flex: 1 1 340px; }
.scan-main h2 { margin-block: 0 0.4rem; }
.scan-button {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
    padding: 0.9rem 1.6rem;
    border-radius: 999px;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(41,121,255,0.28);
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.scan-button:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(41,121,255,0.34); }
.scan-status { margin-block-start: 0.8rem; font-weight: 600; min-height: 1.2em; }
.scan-status-working { color: var(--color-primary); }
.scan-status-ok { color: var(--color-success); }
.scan-status-warn { color: #b7791f; }
.scan-status-error { color: var(--color-danger); }
.scan-preview { flex: 0 1 220px; }
.scan-preview img {
    max-width: 100%;
    max-height: 220px;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 14px rgba(16,26,51,0.12);
}
.field-autofilled {
    background: #f0fbf4;
    border-color: var(--color-success) !important;
}

/* ---------------------------------------------------------------
   Móvil: la cabecera de la plataforma se apila en lugar de solaparse
   (el logo y el botón de acceso competían por el mismo espacio).
   --------------------------------------------------------------- */
@media (max-width: 640px) {
    .site-header .container {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.6rem;
        min-height: 0;
        padding-block: 0.8rem;
    }
    .brand-img { height: clamp(38px, 12vw, 48px); }
    .main-nav { flex-wrap: wrap; justify-content: center; gap: 0.6rem; }
    .main-nav a { padding-block: 0.4rem; }

    /* Tablas anchas (facturas, pagos, métricas): scroll propio en vez de
       desbordar la página entera */
    .table-wrap, .card > table, main table { display: block; overflow-x: auto; max-width: 100%; }

    .footer-row { flex-direction: column; gap: 0.7rem; text-align: center; }

    /* Los KPI se alineaban en escalera al fluir con anchos distintos:
       en móvil van en rejilla de dos columnas iguales */
    .stat-grid { display: grid; grid-template-columns: 1fr 1fr; }
    .stat { min-width: 0; }
}