/* ==========================================================================
   Inspector DTF — Hoja de estilos
   ========================================================================== */

:root {
    --bg: #f4f5f7;
    --bg-panel: #ffffff;
    --bg-soft: #f9fafb;
    --border: #e5e7eb;
    --border-strong: #d1d5db;

    --text: #111827;
    --text-soft: #4b5563;
    --text-mute: #6b7280;

    --brand: #2563eb;
    --brand-hover: #1d4ed8;
    --brand-soft: #eff6ff;

    --ok: #16a34a;
    --ok-soft: #dcfce7;
    --ok-soft-border: #bbf7d0;

    --warn: #d97706;
    --warn-soft: #fef3c7;
    --warn-soft-border: #fde68a;

    --bad: #dc2626;
    --bad-soft: #fee2e2;
    --bad-soft-border: #fecaca;

    --info: #6366f1;
    --info-soft: #eef2ff;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);

    --radius: 12px;
    --radius-sm: 8px;
}

* {
    box-sizing: border-box;
}

/* El atributo `hidden` debe siempre ganarle a display:flex/grid/etc. */
[hidden] {
    display: none !important;
}

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.04);
}

/* Solo cuando entramos al layout de escritorio (paneles con scroll propio)
   bloqueamos el alto al viewport para que cada panel pueda scrollear. */
@media (min-width: 900px) {
    html, body {
        height: 100%;
        min-height: 100%;
        overflow: hidden;
    }
}

/* Mejor accesibilidad táctil para inputs y botones nativos */
button, input, [role="button"] {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.04);
}

/* ===== Header ===== */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    background: #fff;
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--brand);
}

.logo h1 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.01em;
}

.logo .tagline {
    margin: 0;
    font-size: 12px;
    color: var(--text-mute);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--ok-soft);
    color: var(--ok);
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--ok-soft-border);
}

/* ===== Layout principal =====
   Estrategia: mobile-first. Por defecto todo es una sola columna con scroll
   natural del body. A partir de 900 px aplicamos el layout de dos paneles
   independientes con scroll separado (estilo Canva).
*/
.app-main {
    display: flex;
    flex-direction: column;
    flex: 1 0 auto;
}

.side-panel {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.content-panel {
    padding: 16px;
}

@media (min-width: 900px) {
    .app-main {
        display: grid;
        grid-template-columns: 340px 1fr;
        flex: 1;
        min-height: 0;
    }
    .side-panel {
        border-right: 1px solid var(--border);
        border-bottom: none;
        padding: 24px;
        gap: 24px;
        overflow-y: auto;
    }
    .content-panel {
        padding: 28px 32px;
        overflow-y: auto;
    }
}

/* ===== Panel izquierdo ===== */
.panel-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.panel-title {
    margin: 0;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-mute);
}

.dropzone {
    position: relative;
    border: 2px dashed var(--border-strong);
    border-radius: var(--radius);
    background: var(--bg-soft);
    padding: 28px 16px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.dropzone:hover,
.dropzone.dragging {
    border-color: var(--brand);
    background: var(--brand-soft);
}

.dropzone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 6px;
    color: var(--text-mute);
}

.dropzone svg { color: var(--brand); }

.dropzone-title {
    margin: 8px 0 0;
    font-weight: 600;
    color: var(--text);
}

.dropzone-sub { margin: 0; font-size: 13px; }

.dropzone-formats {
    margin: 6px 0 0;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--text-mute);
}

.info-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.info-list li {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 12px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.info-list li .label {
    color: var(--text-mute);
}

.info-list li .value {
    font-weight: 600;
    color: var(--text);
    text-align: right;
    word-break: break-all;
}

.primary-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    background: var(--brand);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease;
}

.primary-btn:hover:not(:disabled) { background: var(--brand-hover); }
.primary-btn:disabled { background: #c7d2fe; cursor: not-allowed; opacity: 0.7; }

.secondary-btn {
    width: 100%;
    padding: 10px 16px;
    background: #fff;
    color: var(--text);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 8px;
}

.secondary-btn:hover { background: var(--bg-soft); }

.help-section { margin-top: auto; }

.help-text {
    font-size: 12px;
    color: var(--text-mute);
    margin: 0;
    line-height: 1.6;
}

/* ===== Empty state ===== */
.empty-state {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-mute);
    text-align: center;
    padding: 32px;
}

.empty-state svg { color: var(--border-strong); margin-bottom: 16px; }

.empty-state h2 {
    margin: 0 0 8px;
    color: var(--text);
    font-size: 22px;
    font-weight: 700;
}

.empty-state p { margin: 0 0 20px; max-width: 480px; }

.feature-list {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: left;
    max-width: 460px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.feature-list li {
    position: relative;
    padding-left: 26px;
    font-size: 13px;
    color: var(--text-soft);
}

.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 7px;
    width: 16px;
    height: 16px;
    background: var(--ok);
    border-radius: 50%;
    mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/70% no-repeat;
    -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/70% no-repeat;
}

/* ===== Vista previa ===== */
.analysis-view {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.preview-wrap {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.preview-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    background: #fff;
}

.preview-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-mute);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
    flex: 1;
}

.preview-toggles { display: flex; gap: 4px; flex-shrink: 0; }

.toggle-btn {
    padding: 5px 10px;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 6px;
    font-size: 12px;
    color: var(--text-soft);
    cursor: pointer;
}

.toggle-btn.active {
    background: var(--text);
    color: #fff;
    border-color: var(--text);
}

.preview-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 260px;
    max-height: 460px;
    padding: 20px;
    overflow: hidden;
}

.preview-container img {
    max-width: 100%;
    max-height: 420px;
    object-fit: contain;
    display: block;
    image-rendering: -webkit-optimize-contrast;
}

.preview-checker {
    background-color: #fff;
    background-image:
        linear-gradient(45deg, #e5e7eb 25%, transparent 25%),
        linear-gradient(-45deg, #e5e7eb 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #e5e7eb 75%),
        linear-gradient(-45deg, transparent 75%, #e5e7eb 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.preview-white { background: #ffffff; }
.preview-black { background: #111827; }

/* ===== Summary banner ===== */
.summary-banner {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border-left: 6px solid var(--text-mute);
}

.summary-banner.is-ok   { border-left-color: var(--ok); }
.summary-banner.is-warn { border-left-color: var(--warn); }
.summary-banner.is-bad  { border-left-color: var(--bad); }
.summary-banner.is-obs  { border-left-color: var(--info); }

.summary-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 18px 22px;
}

.summary-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    background: var(--text-mute);
}

.summary-banner.is-ok   .summary-icon { background: var(--ok); }
.summary-banner.is-warn .summary-icon { background: var(--warn); }
.summary-banner.is-bad  .summary-icon { background: var(--bad); }
.summary-banner.is-obs  .summary-icon { background: var(--info); }

.summary-info { flex: 1; min-width: 0; }

.summary-headline {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.01em;
}

.summary-message {
    margin: 4px 0 0;
    font-size: 14px;
    color: var(--text-soft);
}

.summary-list {
    list-style: none;
    margin: 0;
    padding: 14px 22px 18px;
    border-top: 1px solid var(--border);
    background: var(--bg-soft);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.summary-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    line-height: 1.5;
    color: var(--text);
}

.summary-list li .pill {
    flex-shrink: 0;
    margin-top: 1px;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.summary-list li .pill.bad  { background: var(--bad-soft);  color: var(--bad); border: 1px solid var(--bad-soft-border); }
.summary-list li .pill.warn { background: var(--warn-soft); color: var(--warn); border: 1px solid var(--warn-soft-border); }
.summary-list li .pill.obs  { background: var(--info-soft); color: var(--info); border: 1px solid #c7d2fe; }

.issue-content {
    flex: 1;
    min-width: 0;
}

.issue-title {
    margin: 0;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.4;
}

.issue-action {
    margin: 4px 0 0;
    font-size: 12.5px;
    color: var(--text-soft);
    line-height: 1.55;
}

/* ===== Toggle de análisis técnico ===== */
.details-toggle-wrap {
    text-align: center;
    margin: 4px 0;
}

.link-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--brand);
    font-size: 13px;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: 999px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.15s ease;
}

.link-btn:hover {
    background: var(--brand-soft);
    border-color: var(--brand);
}

.toggle-arrow {
    font-size: 10px;
    transition: transform 0.2s ease;
}

.link-btn.is-open .toggle-arrow {
    transform: rotate(180deg);
}

/* ===== Loader ===== */
.analysis-loader {
    padding: 16px 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.loader-bar {
    height: 6px;
    width: 100%;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 10px;
}

.loader-progress {
    width: 0%;
    height: 100%;
    background: var(--brand);
    transition: width 0.2s ease;
}

#loaderText {
    margin: 0;
    text-align: center;
    color: var(--text-mute);
    font-size: 13px;
}

/* ===== Tarjetas de diagnóstico ===== */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
    gap: 16px;
}

.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 18px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: transform 0.15s ease;
}

.card.is-wide { grid-column: 1 / -1; }

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-mute);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.status-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    border: 1px solid transparent;
}

.status-tag.ok   { background: var(--ok-soft);   color: var(--ok);   border-color: var(--ok-soft-border); }
.status-tag.warn { background: var(--warn-soft); color: var(--warn); border-color: var(--warn-soft-border); }
.status-tag.bad  { background: var(--bad-soft);  color: var(--bad);  border-color: var(--bad-soft-border); }
.status-tag.info { background: var(--info-soft); color: var(--info); border-color: #c7d2fe; }
.status-tag.unknown { background: #f3f4f6; color: var(--text-mute); border-color: var(--border); }

.card-headline {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.01em;
}

.card-body { margin: 0; color: var(--text-soft); font-size: 13px; line-height: 1.55; }

.card-meta {
    margin: 0;
    color: var(--text-mute);
    font-size: 12px;
    border-top: 1px solid var(--border);
    padding-top: 8px;
}

.card-meta b { color: var(--text-soft); }

.card-note {
    margin: 0;
    font-size: 11px;
    font-style: italic;
    color: var(--text-mute);
    background: var(--bg-soft);
    border: 1px dashed var(--border);
    border-radius: 6px;
    padding: 6px 10px;
}

/* Barras de score dentro de las cards */
.score-bar {
    width: 100%;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.score-bar > div {
    height: 100%;
    border-radius: 4px;
    transition: width 0.4s ease;
}

.score-bar .bar-ok   { background: var(--ok); }
.score-bar .bar-warn { background: var(--warn); }
.score-bar .bar-bad  { background: var(--bad); }

.score-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 12px;
    color: var(--text-mute);
}

.score-row b { color: var(--text); font-size: 14px; }

/* ===== Modal selector de página PDF ===== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(2px);
}

.modal-card {
    position: relative;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
    width: 100%;
    max-width: 760px;
    max-height: 86vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    line-height: 1;
    color: var(--text-mute);
    cursor: pointer;
    padding: 0 4px;
}
.modal-close:hover { color: var(--text); }

.modal-sub {
    margin: 14px 20px 6px;
    font-size: 13px;
    color: var(--text-mute);
}

.page-selector-list {
    flex: 1;
    overflow-y: auto;
    padding: 14px 20px 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 14px;
}

.page-item {
    background: var(--bg-soft);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    transition: all 0.15s ease;
    font-family: inherit;
    font-size: 13px;
    color: var(--text);
}

.page-item:hover {
    border-color: var(--brand);
    background: var(--brand-soft);
    transform: translateY(-1px);
}

.page-item canvas {
    max-width: 100%;
    height: auto;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 4px;
    image-rendering: -webkit-optimize-contrast;
}

.page-item .page-label {
    font-weight: 600;
    color: var(--text-soft);
}

/* ===== Overlay de procesamiento ===== */
.processing-overlay {
    position: fixed;
    inset: 0;
    z-index: 900;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(2px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: #fff;
}

.processing-overlay p {
    margin: 0;
    font-size: 14px;
    font-weight: 500;
}

.spinner {
    width: 44px;
    height: 44px;
    border: 4px solid rgba(255, 255, 255, 0.25);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===== Footer ===== */
.app-footer {
    padding: 12px 24px;
    border-top: 1px solid var(--border);
    background: #fff;
    text-align: center;
    color: var(--text-mute);
    font-size: 12px;
}

/* ==========================================================================
   Responsive
   ==========================================================================
   Breakpoints:
     ≤ 1024 px → Tablet
     ≤ 700 px  → Móvil
     ≤ 380 px  → Móviles muy chicos
*/

/* ---- Tablet horizontal (≥ 900 px hasta 1024 px) ---- */
@media (min-width: 900px) and (max-width: 1024px) {
    .app-main {
        grid-template-columns: 300px 1fr;
    }
    .side-panel { padding: 20px; gap: 20px; }
    .content-panel { padding: 24px; }
}

/* ---- Móvil / tablet vertical (< 900 px) ----
   Aquí el layout YA es columna única por defecto (mobile-first). Estas reglas
   solo ajustan tipografía, padding y compactación visual.
*/
@media (max-width: 899px) {

    /* Header simplificado */
    .app-header {
        padding: 12px 16px;
        position: sticky;
        top: 0;
        z-index: 10;
        backdrop-filter: saturate(180%) blur(8px);
        -webkit-backdrop-filter: saturate(180%) blur(8px);
        background: rgba(255, 255, 255, 0.92);
    }
    .logo {
        gap: 10px;
    }
    .logo svg {
        width: 24px;
        height: 24px;
    }
    .logo h1 {
        font-size: 16px;
    }
    .logo .tagline {
        display: none;
    }
    .header-info {
        display: none;
    }

    .help-section { display: none; }

    /* Drop zone más compacta */
    .dropzone {
        padding: 18px 12px;
    }
    .dropzone svg {
        width: 36px;
        height: 36px;
    }
    .dropzone-formats {
        font-size: 10.5px;
    }

    /* File info: label arriba, value abajo */
    .info-list li {
        flex-direction: column;
        gap: 2px;
        align-items: flex-start;
    }
    .info-list li .value {
        text-align: left;
        word-break: break-word;
        overflow-wrap: anywhere;
    }

    /* Botones con tamaño táctil ≥ 44 px */
    .primary-btn {
        min-height: 48px;
        font-size: 15px;
    }
    .secondary-btn {
        min-height: 44px;
    }

    /* Preview toolbar: filename arriba, toggles abajo */
    .preview-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        padding: 12px;
    }
    .preview-label {
        text-align: center;
        white-space: normal;
        word-break: break-word;
    }
    .preview-toggles {
        justify-content: center;
        flex-wrap: wrap;
    }
    .toggle-btn {
        padding: 8px 12px;
        font-size: 12px;
        min-height: 36px;
    }
    .preview-container {
        padding: 12px;
        min-height: 200px;
        max-height: 55vh;
    }
    .preview-container img {
        max-height: 50vh;
    }

    /* Summary banner */
    .summary-banner {
        border-left-width: 5px;
    }
    .summary-header {
        gap: 12px;
        padding: 14px 16px;
    }
    .summary-icon {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    .summary-headline {
        font-size: 17px;
    }
    .summary-message {
        font-size: 13px;
    }

    /* Issue items: pill arriba, contenido abajo */
    .summary-list {
        padding: 12px 16px 16px;
        gap: 10px;
    }
    .summary-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
    .summary-list li .pill {
        margin-top: 0;
    }
    .issue-title {
        font-size: 14px;
    }
    .issue-action {
        font-size: 13px;
    }

    /* Cards técnicas a una columna */
    .results-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .card {
        padding: 14px 16px;
    }
    .card-headline {
        font-size: 16px;
    }

    /* Toggle del análisis técnico */
    .link-btn {
        min-height: 44px;
        font-size: 14px;
        padding: 10px 18px;
    }

    /* Empty state más compacto */
    .empty-state {
        padding: 24px 16px;
    }
    .empty-state svg {
        width: 64px;
        height: 64px;
        margin-bottom: 8px;
    }
    .empty-state h2 {
        font-size: 18px;
    }
    .empty-state p {
        font-size: 13px;
    }
    .feature-list li {
        font-size: 12.5px;
    }

    /* Modal selector PDF — pseudo-fullscreen */
    .modal {
        padding: 0;
    }
    .modal-card {
        max-width: 100%;
        max-height: 100vh;
        height: 100vh;
        border-radius: 0;
    }
    .modal-header h2 {
        font-size: 15px;
    }
    .modal-close {
        min-width: 44px;
        min-height: 44px;
        font-size: 26px;
    }
    .modal-sub {
        margin: 12px 16px 4px;
        font-size: 12.5px;
    }
    .page-selector-list {
        grid-template-columns: repeat(2, 1fr);
        padding: 12px 16px 16px;
        gap: 10px;
    }
    .page-item {
        padding: 6px;
    }
    .page-item .page-label {
        font-size: 12px;
    }

    /* Overlay de procesamiento */
    .processing-overlay p {
        font-size: 13px;
        text-align: center;
        padding: 0 24px;
    }

    /* Footer */
    .app-footer {
        padding: 10px 16px;
        font-size: 11px;
    }
}

/* ---- Móviles muy chicos (iPhone SE, etc.) ---- */
@media (max-width: 380px) {
    .app-header {
        padding: 10px 12px;
    }
    .logo h1 {
        font-size: 15px;
    }

    .side-panel { padding: 12px; gap: 14px; }
    .content-panel { padding: 12px; }

    .dropzone {
        padding: 14px 10px;
    }
    .dropzone-title {
        font-size: 13px;
        margin-top: 6px;
    }
    .dropzone-sub {
        font-size: 12px;
    }
    .dropzone-formats {
        font-size: 10px;
    }

    .summary-headline {
        font-size: 16px;
    }
    .summary-message {
        font-size: 12.5px;
    }
    .summary-header {
        padding: 12px 14px;
    }
    .summary-list {
        padding: 10px 14px 14px;
    }

    .card-headline {
        font-size: 15px;
    }
    .card-body {
        font-size: 12.5px;
    }

    .empty-state h2 {
        font-size: 16px;
    }
}

/* ---- Modo apaisado en celulares (alto reducido) ---- */
@media (max-width: 900px) and (orientation: landscape) and (max-height: 500px) {
    .preview-container {
        max-height: 60vh;
    }
    .preview-container img {
        max-height: 55vh;
    }
}