/* ==========================================================================
   TextOrigin · Hoja de estilos
   CSS puro, sin frameworks. Organizado por secciones:
     1. Variables y temas          8. Zona de arrastrar y soltar
     2. Reset y base               9. Campos de formulario
     3. Tipografía                10. Botones e insignias
     4. Layout y contenedores     11. Cuota de análisis
     5. Cabecera                  12. Progreso del análisis
     6. Presentación              13. Resultados y segmentos
     7. Tarjetas y listas         14. Alertas, avisos y errores
                                  15. Responsive y accesibilidad
   ========================================================================== */

/* ==========================================================================
   1. Variables y temas
   ========================================================================== */
:root {
    /* Paleta corporativa */
    --color-primary: #1a4d7a;
    --color-primary-light: #2d6ca3;
    --color-accent: #f59e0b;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-neutral-50: #f9fafb;
    --color-neutral-100: #f3f4f6;
    --color-neutral-700: #374151;
    --color-neutral-900: #111827;

    /* Tonos derivados, para bordes, textos secundarios y fondos suaves */
    --color-neutral-200: #e5e7eb;
    --color-neutral-300: #d1d5db;
    --color-neutral-500: #6b7280;
    --color-white: #ffffff;

    /* Fondos de clasificación (equivalentes a los tintes del informe PDF) */
    --tint-human: #e0f5ec;
    --tint-doubtful: #fef3d7;
    --tint-ai: #fee2e2;
    --tint-pending: #f3f4f6;

    /* Tipografía */
    --font-ui: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-serif: 'Source Serif Pro', 'Source Serif 4', Georgia, 'Times New Roman', serif;
    --font-mono: ui-monospace, 'SFMono-Regular', 'Menlo', monospace;

    /* Espaciado y radios */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-pill: 999px;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;

    /* Sombras y transiciones */
    --shadow-sm: 0 1px 2px rgba(17, 24, 39, 0.06);
    --shadow-md: 0 4px 12px rgba(17, 24, 39, 0.08);
    --shadow-lg: 0 10px 30px rgba(17, 24, 39, 0.10);
    --transition: 200ms ease;

    /* Layout */
    --container-width: 1200px;
}

/* ==========================================================================
   2. Reset y base
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--color-neutral-50);
    color: var(--color-neutral-900);
    font-family: var(--font-ui);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img,
svg {
    display: block;
    max-width: 100%;
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ==========================================================================
   3. Tipografía
   ========================================================================== */
h1, h2, h3, h4 {
    margin: 0 0 var(--space-3);
    line-height: 1.25;
    font-weight: 600;
    letter-spacing: -0.01em;
}

h1 { font-size: 1.9rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.1rem; }
h4 { font-size: 0.95rem; }

p {
    margin: 0 0 var(--space-3);
}

p:last-child {
    margin-bottom: 0;
}

.muted {
    color: var(--color-neutral-500);
}

.small {
    font-size: 0.85rem;
}

strong {
    font-weight: 600;
}

/* ==========================================================================
   4. Layout y contenedores
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-5);
}

main.container {
    flex: 1 0 auto;
    padding-top: var(--space-6);
    padding-bottom: var(--space-7);
}

/* Rejilla principal: formulario + panel lateral */
.home-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr);
    gap: var(--space-5);
    align-items: start;
}

.home-side {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.analysis-slot {
    margin-top: var(--space-6);
}

/* Indicador de cuota al pie de la página de resultados */
.analysis-extra {
    margin-top: var(--space-5);
    max-width: 420px;
}

/* ==========================================================================
   5. Cabecera
   ========================================================================== */
.site-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-white);
    text-decoration: none;
}

.brand:hover {
    color: var(--color-white);
    text-decoration: none;
}

.brand__logo {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.16);
}

.brand__logo svg {
    width: 26px;
    height: 26px;
}

.brand__text {
    display: flex;
    flex-direction: column;
}

.brand__name {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.brand__tagline {
    font-size: 0.8rem;
    opacity: 0.85;
}

/* ==========================================================================
   6. Presentación
   ========================================================================== */
.hero {
    margin-bottom: var(--space-6);
    max-width: 760px;
}

.hero__title {
    font-size: 2rem;
    margin-bottom: var(--space-2);
}

.hero__subtitle {
    color: var(--color-neutral-500);
    font-size: 1.02rem;
    margin: 0;
}

.breadcrumb {
    margin-bottom: var(--space-4);
}

.link-back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 0.9rem;
    font-weight: 500;
}

.link-back svg {
    width: 16px;
    height: 16px;
}

/* ==========================================================================
   7. Tarjetas y listas
   ========================================================================== */
.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-5);
}

.card__title {
    margin-bottom: var(--space-2);
}

.card__title--spaced {
    margin-top: var(--space-5);
}

.card__subtitle {
    color: var(--color-neutral-500);
    font-size: 0.9rem;
    margin-bottom: var(--space-4);
}

.icon-list {
    list-style: none;
    margin: 0 0 var(--space-3);
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.icon-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    font-size: 0.88rem;
    color: var(--color-neutral-700);
}

.icon-list .icon {
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    margin-top: 2px;
    color: var(--color-primary-light);
}

.icon--pdf { color: #dc2626; }
.icon--docx { color: #2563eb; }
.icon--txt { color: var(--color-neutral-500); }

.steps {
    margin: 0;
    padding-left: 1.2rem;
    color: var(--color-neutral-700);
    font-size: 0.88rem;
}

.steps li {
    margin-bottom: var(--space-1);
}

/* ==========================================================================
   8. Zona de arrastrar y soltar
   ========================================================================== */
.dropzone {
    position: relative;
    border: 2px dashed var(--color-neutral-300);
    border-radius: var(--radius-lg);
    background-color: var(--color-neutral-50);
    padding: var(--space-6) var(--space-4);
    text-align: center;
    transition: border-color var(--transition), background-color var(--transition), transform var(--transition);
}

.dropzone.is-dragover {
    border-color: var(--color-primary-light);
    background-color: #eef4fa;
    transform: translateY(-1px);
}

.dropzone.has-file {
    border-style: solid;
    border-color: var(--color-primary-light);
    background-color: var(--color-white);
    padding: var(--space-4);
}

.dropzone__input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.dropzone__icon {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--space-3);
    color: var(--color-primary-light);
}

.dropzone__title {
    font-weight: 600;
    font-size: 1.02rem;
    margin-bottom: var(--space-1);
}

.dropzone__hint {
    color: var(--color-neutral-500);
    font-size: 0.9rem;
    margin-bottom: var(--space-3);
}

.dropzone__formats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
    margin: 0;
}

.dropzone__preview {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-align: left;
}

.dropzone__preview .icon {
    width: 26px;
    height: 26px;
    color: var(--color-primary-light);
}

.dropzone__preview-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1 1 auto;
}

.dropzone__preview-text strong {
    overflow-wrap: anywhere;
}

.link-button {
    border: 0;
    background: none;
    padding: 0;
    font: inherit;
    color: var(--color-primary-light);
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
}

.link-button:hover {
    color: var(--color-primary);
}

.icon-button {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-sm);
    background-color: var(--color-white);
    color: var(--color-neutral-500);
    cursor: pointer;
    transition: color var(--transition), border-color var(--transition);
}

.icon-button:hover {
    color: var(--color-danger);
    border-color: var(--color-danger);
}

.icon-button svg {
    width: 15px;
    height: 15px;
}

.separator {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-5) 0 var(--space-4);
    color: var(--color-neutral-500);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.separator::before,
.separator::after {
    content: '';
    flex: 1 1 auto;
    height: 1px;
    background-color: var(--color-neutral-200);
}

/* ==========================================================================
   9. Campos de formulario
   ========================================================================== */
.field-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-neutral-700);
    margin-bottom: var(--space-1);
}

.textarea {
    width: 100%;
    padding: var(--space-3);
    border: 1px solid var(--color-neutral-300);
    border-radius: var(--radius-md);
    background-color: var(--color-white);
    color: var(--color-neutral-900);
    font-family: var(--font-serif);
    font-size: 0.95rem;
    line-height: 1.6;
    resize: vertical;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.textarea:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(45, 108, 163, 0.15);
}

.field-hint {
    font-size: 0.8rem;
    color: var(--color-neutral-500);
    margin: var(--space-1) 0 var(--space-4);
}

.field-error {
    margin: var(--space-2) 0 0;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    background-color: var(--tint-ai);
    color: #991b1b;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Widget de verificación anti-bots (Cloudflare Turnstile) */
.captcha-field {
    margin: var(--space-2) 0 var(--space-4);
}

.form-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-4);
}

.inline-loading {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.88rem;
    color: var(--color-neutral-500);
}

/* HTMX oculta los indicadores hasta que hay una petición en curso */
.htmx-indicator {
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.htmx-request .htmx-indicator,
.htmx-indicator.htmx-request {
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   10. Botones e insignias
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.65rem 1.15rem;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-ui);
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    transition: background-color var(--transition), color var(--transition),
                border-color var(--transition), box-shadow var(--transition);
}

.btn svg {
    width: 17px;
    height: 17px;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
    background-color: var(--color-primary-light);
    color: var(--color-white);
    text-decoration: none;
}

.btn--primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn--ghost {
    background-color: transparent;
    border-color: var(--color-neutral-300);
    color: var(--color-neutral-700);
}

.btn--ghost:hover {
    border-color: var(--color-primary-light);
    color: var(--color-primary);
    text-decoration: none;
}

.pill {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.pill--soft {
    background-color: rgba(255, 255, 255, 0.18);
    color: var(--color-white);
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 0.2rem 0.6rem;
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-pill);
    background-color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-neutral-700);
}

.chip .icon {
    width: 14px;
    height: 14px;
}

.chip--muted {
    background-color: var(--color-neutral-100);
    color: var(--color-neutral-500);
    font-weight: 500;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 600;
    background-color: var(--tint-pending);
    color: var(--color-neutral-700);
}

.badge--sm {
    font-size: 0.72rem;
}

/* ==========================================================================
   11. Cuota de análisis
   ========================================================================== */
.quota-card__head {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.quota-card__head .icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary-light);
    flex: 0 0 auto;
}

.quota-card__title {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 600;
}

.quota-card__value {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    font-size: 2.1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
    line-height: 1;
}

.quota-card__value--empty {
    color: var(--color-danger);
}

.quota-card__value-total {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-neutral-500);
}

.quota-bar {
    width: 100%;
    height: 8px;
    border-radius: var(--radius-pill);
    background-color: var(--color-neutral-100);
    overflow: hidden;
}

.quota-bar-fill {
    height: 100%;
    width: 0;
    border-radius: var(--radius-pill);
    background-color: var(--color-success);
    transition: width var(--transition), background-color var(--transition);
}

.quota-bar-low {
    background-color: var(--color-warning);
}

.quota-bar-empty {
    background-color: var(--color-danger);
}

.quota-card__hint {
    margin: var(--space-3) 0 0;
    font-size: 0.83rem;
    color: var(--color-neutral-500);
}

.quota-card__contact {
    margin-top: var(--space-3);
}

/* Bloque de límite alcanzado */
.quota-exceeded {
    text-align: center;
    padding: var(--space-7) var(--space-5);
    border-color: var(--color-accent);
}

.quota-exceeded__icon {
    display: inline-grid;
    place-items: center;
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-4);
    border-radius: 50%;
    background-color: var(--tint-doubtful);
    color: #b45309;
}

.quota-exceeded__icon svg {
    width: 30px;
    height: 30px;
}

.quota-exceeded__title {
    color: #b45309;
}

.quota-exceeded__message {
    max-width: 560px;
    margin: 0 auto var(--space-3);
    color: var(--color-neutral-700);
}

.quota-exceeded__contact {
    font-weight: 600;
    margin-bottom: var(--space-1);
}

/* ==========================================================================
   12. Progreso del análisis
   ========================================================================== */
.progress-panel__head {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.progress-panel__title {
    margin-bottom: var(--space-1);
}

.progress-panel__count {
    margin-top: var(--space-3);
    font-size: 0.9rem;
    color: var(--color-neutral-700);
}

.progress-bar {
    width: 100%;
    height: 10px;
    border-radius: var(--radius-pill);
    background-color: var(--color-neutral-100);
    overflow: hidden;
}

.progress-bar__fill {
    height: 100%;
    width: 0;
    border-radius: var(--radius-pill);
    background: linear-gradient(90deg, var(--color-primary-light), var(--color-primary));
    transition: width 400ms ease;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-neutral-200);
    border-top-color: var(--color-primary-light);
    border-radius: 50%;
    animation: textorigin-spin 700ms linear infinite;
    flex: 0 0 auto;
}

.spinner--sm {
    width: 14px;
    height: 14px;
    border-width: 2px;
}

.spinner--lg {
    width: 30px;
    height: 30px;
    border-width: 3px;
}

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

/* ==========================================================================
   13. Resultados y segmentos
   ========================================================================== */
.results {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.results__banner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-neutral-200);
    border-left: 6px solid var(--color-neutral-500);
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.results__banner.score-human { border-left-color: var(--color-success); background-color: #f3fbf8; }
.results__banner.score-doubtful { border-left-color: var(--color-warning); background-color: #fffbf0; }
.results__banner.score-ai { border-left-color: var(--color-danger); background-color: #fef6f6; }

.results__banner-title {
    margin-bottom: var(--space-1);
    font-size: 1.25rem;
}

.results__banner-hint {
    margin: 0;
    color: var(--color-neutral-500);
    font-size: 0.9rem;
    max-width: 620px;
}

.results__banner-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.results__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(300px, 1fr);
    gap: var(--space-5);
    align-items: start;
}

.results__side {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

/* --- Panel de texto --- */
.text-panel__head {
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-neutral-100);
}

.text-panel__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.segment {
    position: relative;
    margin: 0;
    padding: var(--space-3) var(--space-4) var(--space-3) 52px;
    border-left: 4px solid var(--color-neutral-300);
    border-radius: var(--radius-sm);
    background-color: var(--color-neutral-50);
    font-family: var(--font-serif);
    font-size: 1rem;
    line-height: 1.75;
    color: var(--color-neutral-900);
    cursor: pointer;
    transition: box-shadow var(--transition), transform var(--transition);
}

.segment:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(2px);
}

.segment__badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-2);
    min-width: 36px;
    padding: 1px 5px;
    border-radius: var(--radius-sm);
    background-color: var(--color-neutral-500);
    color: var(--color-white);
    font-family: var(--font-ui);
    font-size: 0.68rem;
    font-weight: 700;
    text-align: center;
}

.segment__text {
    display: block;
    overflow-wrap: break-word;
}

/* Clases de clasificación, compartidas por párrafos, insignias y resúmenes */
.score-human {
    border-left-color: var(--color-success);
    background-color: var(--tint-human);
}

.score-doubtful {
    border-left-color: var(--color-warning);
    background-color: var(--tint-doubtful);
}

.score-ai {
    border-left-color: var(--color-danger);
    background-color: var(--tint-ai);
}

.score-error,
.score-pending {
    border-left-color: var(--color-neutral-300);
    background-color: var(--tint-pending);
}

.score-human .segment__badge,
.badge.score-human { background-color: #047857; color: var(--color-white); }
.score-doubtful .segment__badge,
.badge.score-doubtful { background-color: #b45309; color: var(--color-white); }
.score-ai .segment__badge,
.badge.score-ai { background-color: #b91c1c; color: var(--color-white); }

.legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    list-style: none;
    margin: var(--space-3) 0 0;
    padding: 0;
    font-size: 0.8rem;
    color: var(--color-neutral-500);
}

.legend li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.legend__swatch {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    border: 1px solid rgba(17, 24, 39, 0.08);
}

.legend__swatch--human { background-color: var(--color-success); }
.legend__swatch--doubtful { background-color: var(--color-warning); }
.legend__swatch--ai { background-color: var(--color-danger); }

/* --- Resumen numérico --- */
.score-dial {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    padding: var(--space-5);
    margin-bottom: var(--space-4);
    border-radius: var(--radius-lg);
    background-color: var(--tint-pending);
    text-align: center;
}

.score-dial.score-human { background-color: var(--tint-human); border-left: 0; }
.score-dial.score-doubtful { background-color: var(--tint-doubtful); border-left: 0; }
.score-dial.score-ai { background-color: var(--tint-ai); border-left: 0; }

.score-dial__value {
    font-size: 2.6rem;
    font-weight: 700;
    line-height: 1;
    color: var(--color-neutral-900);
}

.score-dial.score-human .score-dial__value { color: #047857; }
.score-dial.score-doubtful .score-dial__value { color: #b45309; }
.score-dial.score-ai .score-dial__value { color: #b91c1c; }

.score-dial__label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-neutral-500);
}

.score-summary__verdict {
    font-weight: 600;
    font-size: 0.95rem;
}

.counter-list {
    list-style: none;
    margin: var(--space-4) 0;
    padding: 0;
    border-top: 1px solid var(--color-neutral-100);
}

.counter-list li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-neutral-100);
    font-size: 0.88rem;
}

.counter-list__label {
    flex: 1 1 auto;
    color: var(--color-neutral-700);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex: 0 0 auto;
}

.dot--green { background-color: var(--color-success); }
.dot--amber { background-color: var(--color-warning); }
.dot--red { background-color: var(--color-danger); }
.dot--gray { background-color: var(--color-neutral-300); }

.meta-list {
    margin: 0;
    font-size: 0.82rem;
}

.meta-list > div {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-1) 0;
}

.meta-list dt {
    color: var(--color-neutral-500);
}

.meta-list dd {
    margin: 0;
    font-weight: 600;
    text-align: right;
    overflow-wrap: anywhere;
}

/* --- Lista de segmentos --- */
.segment-list {
    max-height: 560px;
    overflow-y: auto;
}

.segment-item {
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
    background-color: var(--color-white);
    overflow: hidden;
}

.segment-item__summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    cursor: pointer;
    background-color: var(--color-neutral-50);
    font-size: 0.85rem;
    font-weight: 600;
    list-style: none;
}

.segment-item__summary::-webkit-details-marker {
    display: none;
}

.segment-item[open] .segment-item__summary {
    border-bottom: 1px solid var(--color-neutral-200);
}

.segment-item__label {
    color: var(--color-neutral-700);
}

/* --- Detalle de segmento --- */
.segment-detail {
    padding: var(--space-4);
}

.segment-detail__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.segment-detail__label {
    font-weight: 600;
    font-size: 0.9rem;
}

.segment-detail__text {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    line-height: 1.7;
    padding: var(--space-3);
    border-radius: var(--radius-sm);
    background-color: var(--color-neutral-50);
    color: var(--color-neutral-700);
}

.segment-detail__block {
    margin-top: var(--space-4);
}

.segment-detail__subtitle {
    margin-bottom: var(--space-2);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-neutral-500);
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(108px, 1fr));
    gap: var(--space-2);
    margin: var(--space-3) 0 0;
}

.metric-grid > div {
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    background-color: var(--color-neutral-50);
    border: 1px solid var(--color-neutral-100);
}

.metric-grid dt {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-neutral-500);
}

.metric-grid dd {
    margin: 2px 0 0;
    font-size: 0.95rem;
    font-weight: 600;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    list-style: none;
    margin: 0;
    padding: 0;
}

.tag-list li {
    padding: 0.15rem 0.55rem;
    border-radius: var(--radius-pill);
    background-color: var(--color-neutral-100);
    color: var(--color-neutral-700);
    font-size: 0.76rem;
}

/* Evidencias de posible mano humana: misma forma que las etiquetas, en verde */
.tag-list--human li {
    background-color: var(--tint-human);
    color: #047857;
}

.segment-detail-panel {
    border-style: dashed;
}

/* --- Fragmentos sospechosos citados --- */
.fragment-panel .card__title {
    margin-bottom: var(--space-1);
}

.fragment-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    list-style: none;
    margin: var(--space-3) 0 0;
    padding: 0;
}

.fragment-list--scroll {
    max-height: 420px;
    overflow-y: auto;
}

.fragment {
    padding: var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-neutral-200);
    background-color: var(--color-neutral-50);
}

.fragment--clickable {
    cursor: pointer;
    transition: box-shadow var(--transition), border-color var(--transition);
}

.fragment--clickable:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-neutral-300);
}

.fragment__quote {
    margin: 0 0 var(--space-2);
    padding-left: var(--space-3);
    border-left: 3px solid var(--color-neutral-300);
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--color-neutral-900);
}

.fragment__reason {
    margin: 0 0 var(--space-2);
    font-size: 0.85rem;
    color: var(--color-neutral-700);
}

.fragment__meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0;
}

.fragment__segment {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-neutral-500);
}

/* Niveles de sospecha: mismos colores que las insignias de clasificación */
.fragment-level--alto { background-color: #b91c1c; color: var(--color-white); }
.fragment-level--medio { background-color: #b45309; color: var(--color-white); }
.fragment-level--bajo { background-color: #047857; color: var(--color-white); }

/* --- Evidencias de mano humana (panel agregado) --- */
.evidence-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    list-style: none;
    margin: var(--space-3) 0 0;
    padding: 0;
}

.evidence-list__segment {
    display: block;
    margin-bottom: var(--space-1);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-neutral-500);
}

/* ==========================================================================
   14. Alertas, avisos y errores
   ========================================================================== */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-neutral-300);
    background-color: var(--color-neutral-50);
    font-size: 0.88rem;
}

.alert .icon {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    margin-top: 2px;
}

.alert--warning {
    border-left-color: var(--color-warning);
    background-color: var(--tint-doubtful);
    color: #7c4a03;
}

.alert--danger {
    border-left-color: var(--color-danger);
    background-color: var(--tint-ai);
    color: #991b1b;
}

/* Avisos de las defensas anti prompt-injection: lista de hallazgos con sus extractos. */
.warning-list {
    list-style: none;
    margin: var(--space-3) 0 0;
    padding: 0;
    display: grid;
    gap: var(--space-3);
}

.warning-list > li {
    padding-left: var(--space-3);
    border-left: 3px solid var(--color-warning);
}

.warning-list .fragment__quote {
    margin-top: var(--space-1);
    color: inherit;
}

.notice {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-accent);
    background-color: #fffbf0;
    color: #7c4a03;
}

.notice .icon {
    width: 22px;
    height: 22px;
    flex: 0 0 auto;
    color: var(--color-accent);
}

.notice p {
    margin: var(--space-1) 0 0;
    font-size: 0.88rem;
}

/* --- Página de error --- */
.error-page main.container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.error-card {
    max-width: 620px;
    width: 100%;
    text-align: center;
    padding: var(--space-7) var(--space-5);
}

.error-card__icon {
    display: inline-grid;
    place-items: center;
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-4);
    border-radius: 50%;
    background-color: var(--tint-doubtful);
    color: #b45309;
}

.error-card__icon svg {
    width: 30px;
    height: 30px;
}

.error-card__code {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-neutral-500);
    margin-bottom: var(--space-1);
}

.error-card__title {
    font-size: 1.5rem;
}

.error-card__message {
    color: var(--color-neutral-700);
}

.error-card__detail {
    font-size: 0.85rem;
}

.error-card__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-5);
}

/* ==========================================================================
   15. Pie de página
   ========================================================================== */
.site-footer {
    flex-shrink: 0;
    margin-top: var(--space-6);
    padding: var(--space-5) 0;
    border-top: 1px solid var(--color-neutral-200);
    background-color: var(--color-white);
}

.site-footer__inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.site-footer__notice {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-neutral-700);
}

/* Créditos de autoría */
.site-footer__credits {
    margin: 0;
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-neutral-200);
    font-size: 0.85rem;
    color: var(--color-neutral-700);
}

.site-footer__credits strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* ==========================================================================
   16. Responsive y accesibilidad
   ========================================================================== */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-4);
    }

    main.container {
        padding-top: var(--space-5);
    }

    .home-grid,
    .results__grid {
        grid-template-columns: 1fr;
    }

    .hero__title {
        font-size: 1.6rem;
    }

    .site-header__inner {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }

    .brand__tagline {
        font-size: 0.75rem;
    }

    .card {
        padding: var(--space-4);
    }

    .results__banner {
        flex-direction: column;
        align-items: flex-start;
    }

    .results__banner-actions {
        width: 100%;
    }

    .results__banner-actions .btn {
        flex: 1 1 auto;
    }

    .form-actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-2);
    }

    .form-actions .btn {
        width: 100%;
    }

    .segment {
        padding-left: var(--space-4);
        padding-top: var(--space-6);
    }

    .segment__badge {
        top: var(--space-2);
        left: var(--space-4);
    }

    .segment-list {
        max-height: none;
    }

    .fragment-list--scroll {
        max-height: none;
    }

    .quota-card__value {
        font-size: 1.8rem;
    }
}

/* Respeta la preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Foco visible para navegación con teclado */
:focus-visible {
    outline: 3px solid rgba(45, 108, 163, 0.45);
    outline-offset: 2px;
}

/* Oculta contenido solo a la vista, manteniéndolo para lectores de pantalla */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}