/* --- VARIABLES DE DISEÑO (LabNave Theme System) --- */
:root {
    /* Fondos y Capas */
    --bg-body: #F8FAFC;
    --bg-header: #FFFFFF;
    --bg-card: rgba(255, 255, 255, 0.85);
    --border-card: rgba(255, 255, 255, 0.6);
    --shadow-card: 0 20px 40px -15px rgba(15, 23, 42, 0.07), 0 0 1px 1px rgba(15, 23, 42, 0.04);
    
    /* Tipografía y Colores Neutros */
    --color-text-primary: #0F172A;
    --color-text-secondary: #64748B;
    --color-text-light: #94A3B8;
    --color-border-ui: #E2E8F0;
    --color-border-hover: #CBD5E1;
    
    /* Estados de Respuesta */
    --color-resolved: #16A34A;
    --color-resolved-bg: #DCFCE7;
    --color-resolved-text: #15803D;

    --color-unresolved: #DC2626;
    --color-unresolved-bg: #FEE2E2;
    --color-unresolved-text: #B91C1C;

    --color-na: #64748B;
    --color-na-bg: #F1F5F9;
    --color-na-text: #475569;

    /* Acentos */
    --color-accent: #0F172A;
    --font-main: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- ESTILOS BASE --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-body);
    background-image: 
        radial-gradient(at 0% 0%, rgba(226, 232, 240, 0.5) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(203, 213, 225, 0.4) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--color-text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* --- CABECERA (Blanca con sombra sutil) --- */
.header {
    width: 100%;
    height: 80px;
    background-color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2.5rem;
    border-bottom: 1px solid var(--color-border-ui);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}

.logo-container {
    display: flex;
    align-items: center;
    height: 100%;
}

.header-logo {
    height: 44px;
    width: auto;
    object-fit: contain;
    display: block;
    filter: none;
    mix-blend-mode: normal;
    transition: transform 0.2s ease;
}

.header-logo:hover {
    transform: scale(1.02);
}

.progress-container {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.progress-text {
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    color: var(--color-text-secondary);
    font-weight: 600;
}

.progress-bar-bg {
    width: 140px;
    height: 8px;
    background-color: var(--color-border-ui);
    border-radius: 99px;
    overflow: hidden;
    position: relative;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #0F172A 0%, #2563EB 100%);
    width: 0%;
    border-radius: 99px;
    transition: width 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- CONTENEDOR PRINCIPAL --- */
.app-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2.5rem 1.5rem;
}

/* --- TARJETA GLASSMORPHISM --- */
.qa-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid var(--border-card);
    box-shadow: var(--shadow-card);
    width: 100%;
    max-width: 640px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    transition: var(--transition-smooth);
}

/* --- PAGINACIÓN DE VISTAS --- */
.view {
    display: none;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.view.active {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    opacity: 1;
    transform: translateY(0);
}

/* --- ETIQUETAS Y CABECERAS DE FORMULARIO --- */
.form-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.badge-tag {
    display: inline-block;
    align-self: flex-start;
    padding: 0.25rem 0.75rem;
    background-color: #E2E8F0;
    color: #475569;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: 99px;
}

.badge-success {
    background-color: var(--color-resolved-bg);
    color: var(--color-resolved-text);
}

.badge-unresolved {
    background-color: var(--color-unresolved-bg);
    color: var(--color-unresolved-text);
}

.form-title {
    font-weight: 800;
    font-size: 1.6rem;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.form-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* --- FORMULARIOS --- */
.project-data-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.required {
    color: var(--color-unresolved);
}

.input-field {
    font-family: var(--font-main);
    padding: 0.85rem 1.1rem;
    border-radius: 12px;
    border: 1px solid var(--color-border-ui);
    background-color: rgba(255, 255, 255, 0.95);
    font-size: 0.95rem;
    color: var(--color-text-primary);
    transition: var(--transition-fast);
}

.input-field:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
    background-color: #FFFFFF;
}

/* --- CUESTIONARIO --- */
.question-header {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.question-category {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.question-title {
    font-weight: 800;
    font-size: 1.45rem;
    line-height: 1.3;
    color: var(--color-text-primary);
    letter-spacing: -0.01em;
}

.question-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* OPICONES PILL --- */
.status-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
    margin-top: 0.5rem;
}

.status-pill {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.9rem 1rem;
    border-radius: 99px;
    border: 1.5px solid var(--color-border-ui);
    background-color: #FFFFFF;
    color: var(--color-text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
    user-select: none;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-border-hover);
    transition: var(--transition-fast);
}

.status-pill:hover {
    border-color: var(--color-border-hover);
    color: var(--color-text-primary);
    transform: translateY(-1px);
}

/* Estados Activos */
.status-pill[data-status="resolved"].active {
    background-color: var(--color-resolved-bg);
    color: var(--color-resolved-text);
    border-color: var(--color-resolved);
    box-shadow: 0 4px 14px rgba(22, 163, 74, 0.18);
}
.status-pill[data-status="resolved"].active .status-indicator {
    background-color: var(--color-resolved);
}

.status-pill[data-status="unresolved"].active {
    background-color: var(--color-unresolved-bg);
    color: var(--color-unresolved-text);
    border-color: var(--color-unresolved);
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.18);
}
.status-pill[data-status="unresolved"].active .status-indicator {
    background-color: var(--color-unresolved);
}

.status-pill[data-status="na"].active {
    background-color: var(--color-na-bg);
    color: var(--color-na-text);
    border-color: var(--color-na);
    box-shadow: 0 4px 14px rgba(100, 116, 139, 0.18);
}
.status-pill[data-status="na"].active .status-indicator {
    background-color: var(--color-na);
}

.comment-field {
    font-family: var(--font-main);
    padding: 0.85rem 1.1rem;
    border-radius: 12px;
    border: 1px solid var(--color-border-ui);
    background-color: rgba(255, 255, 255, 0.95);
    resize: vertical;
    min-height: 85px;
    font-size: 0.92rem;
    color: var(--color-text-primary);
    transition: var(--transition-fast);
}

.comment-field:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
}

/* --- BOTONES Y ACCIONES --- */
.nav-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border-ui);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 0.92rem;
    padding: 0.8rem 1.4rem;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #FFFFFF;
}

.btn-primary:hover:not(:disabled) {
    background-color: #000000;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.2);
}

.btn-glow {
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.15);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-secondary);
}

.btn-secondary:hover {
    color: var(--color-text-primary);
    background-color: var(--color-border-ui);
}

/* Botón Sútil Gris para "Revisar QA" */
.btn-subtle-grey {
    background-color: #F1F5F9;
    color: #64748B;
    border: 1px solid #E2E8F0;
    font-weight: 500;
    font-size: 0.88rem;
    padding: 0.75rem 1.1rem;
}

.btn-subtle-grey:hover {
    background-color: #E2E8F0;
    color: #334155;
    border-color: #CBD5E1;
    transform: translateY(-1px);
}

.btn-icon {
    display: flex;
    align-items: center;
}

/* --- NAVEGACIÓN RÁPIDA CON FLECHAS EN EL CUESTIONARIO --- */
.step-navigation-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: #F8FAFC;
    border: 1px solid var(--color-border-ui);
    padding: 0.3rem 0.6rem;
    border-radius: 99px;
}

.step-counter {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    font-weight: 600;
    padding: 0 0.2rem;
    user-select: none;
}

.btn-arrow {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--color-border-ui);
    background-color: #FFFFFF;
    color: #475569;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 0;
}

.btn-arrow:hover:not(:disabled) {
    background-color: #0F172A;
    color: #FFFFFF;
    border-color: #0F172A;
    transform: scale(1.08);
}

.btn-arrow:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* --- VISTA DE RESULTADOS --- */
.results-overview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-align: center;
}

.results-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}

.score-card-container {
    display: flex;
    justify-content: center;
    margin: 0.5rem 0;
}

.final-score-circle {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background-color: #FFFFFF;
    border: 8px solid var(--color-border-ui);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    transition: var(--transition-smooth);
}

#final-score-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1;
}

.score-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}

.final-score-circle.perfect {
    border-color: var(--color-resolved);
}
.final-score-circle.perfect #final-score-value {
    color: var(--color-resolved);
}

.project-summary-info {
    width: 100%;
    background-color: #FFFFFF;
    padding: 1.25rem 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--color-border-ui);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    text-align: left;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.summary-label {
    font-weight: 500;
    color: var(--color-text-secondary);
}

.summary-value {
    font-weight: 600;
    color: var(--color-text-primary);
}

.summary-url-value {
    font-weight: 600;
    color: #2563EB;
    text-decoration: none;
    word-break: break-all;
    max-width: 60%;
    text-align: right;
}

.summary-url-value:hover {
    text-decoration: underline;
}

.results-breakdown {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
}

.breakdown-box {
    padding: 1.1rem 0.8rem;
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    text-align: center;
}

.breakdown-resolved {
    background-color: var(--color-resolved-bg);
    color: var(--color-resolved-text);
}

.breakdown-unresolved {
    background-color: var(--color-unresolved-bg);
    color: var(--color-unresolved-text);
}

.breakdown-na {
    background-color: var(--color-na-bg);
    color: var(--color-na-text);
}

.breakdown-label {
    font-size: 0.8rem;
    font-weight: 600;
}

.breakdown-value {
    font-size: 1.6rem;
    font-weight: 800;
}

/* --- PLANTILLA FUERA DE PANTALLA PARA GENERACIÓN DE PDF --- */
#pdf-template-wrapper {
    position: absolute;
    left: -9999px;
    top: 0;
    width: 794px;
    background-color: #FFFFFF;
    visibility: hidden;
    overflow: hidden;
}

#pdf-template {
    padding: 40px;
    color: #0F172A;
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    background-color: #FFFFFF;
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 640px) {
    .header {
        padding: 0 1.25rem;
        height: 70px;
    }
    
    .header-logo {
        height: 34px;
    }

    .progress-bar-bg {
        width: 100px;
    }

    .app-wrapper {
        padding: 1.25rem 1rem;
    }

    .qa-card {
        padding: 1.5rem;
        border-radius: 18px;
    }

    .status-options {
        grid-template-columns: 1fr;
    }

    .results-breakdown {
        grid-template-columns: 1fr;
    }

    .nav-actions {
        flex-direction: column-reverse;
        gap: 0.85rem;
    }

    .btn {
        width: 100%;
    }

    .step-counter {
        order: -1;
        width: 100%;
        text-align: center;
    }
}