/* ============================================
   Estilos específicos de frases.html
   ============================================ */

/* Estilos del body específicos para esta página */
body {
    background: #f5f5f5;
    padding-top: 70px; /* Espacio para el menú fijo */
}

/* Responsive: Menú en móviles */
@media (max-width: 640px) {
    body {
        padding-top: 60px;
    }
}

/* ============================================
   Header
   ============================================ */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

@media (max-width: 768px) {
    .header {
        padding: var(--spacing-lg) 0;
        margin-bottom: var(--spacing-lg);
    }

}

@media (max-width: 480px) {
    .header {
        padding: var(--spacing-md) 0;
        margin-bottom: var(--spacing-md);
    }
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.header__content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.header__text {
    text-align: center;
    display: block !important;
}

.header__title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
    line-height: 1.2;
    display: block !important;
    color: white;
}

.header__subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    display: block !important;
    color: white;
}

.header__count {
    font-size: 1rem;
    opacity: 0.85;
    font-weight: 500;
    display: block !important;
    color: white;
}

/* ============================================
   Book Info Card (Modern Design)
   ============================================ */
.header__book-info {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-2xl);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    padding: var(--spacing-2xl);
    border-radius: 24px;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.5);
    color: var(--color-gray-900);
    max-width: 1000px;
    margin: 0 auto;
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header__cover {
    width: 160px;
    height: 240px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(0, 0, 0, 0.05);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.header__cover:hover {
    transform: scale(1.02);
}

.header__book-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    min-width: 0;
}

.header__book-header {
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.header__book-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
    color: var(--color-gray-900);
    letter-spacing: -0.01em;
}

.header__book-author {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

.header__book-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-gray-700);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-radius: 12px;
    border-left: 4px solid #667eea;
}

.header__book-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
}

.header__book-meta span {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--color-gray-200);
    transition: all 0.2s ease;
}

.header__book-meta span:hover {
    background: var(--color-gray-200);
    transform: translateY(-1px);
}

.header__book-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.header__book-tema {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    font-style: italic;
    flex: 1;
    min-width: 200px;
    line-height: 1.5;
}

.header__book-info .header__count {
    font-size: 1.125rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    white-space: nowrap;
}

@media (min-width: 1024px) {
    .header__title {
        font-size: 3rem;
    }

    .header__book-title {
        font-size: 2.25rem;
    }
}

@media (max-width: 768px) {
    .header__title {
        font-size: 1.75rem;
    }

    .header__subtitle {
        font-size: 1rem;
    }

    .header__book-info {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
        border-radius: 16px;
        margin: 0 var(--spacing-sm);
    }

    .header__cover {
        width: 100px;
        height: 150px;
        margin: 0 auto;
    }

    .header__book-details {
        text-align: center;
        gap: var(--spacing-md);
    }

    .header__book-header {
        text-align: center;
        padding-bottom: var(--spacing-md);
    }

    .header__book-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-xs);
    }

    .header__book-author {
        font-size: 1rem;
    }

    .header__book-description {
        font-size: 0.9375rem;
        padding: var(--spacing-md);
        line-height: 1.6;
    }

    .header__book-meta {
        justify-content: center;
        padding: var(--spacing-sm) 0;
    }

    .header__book-meta span {
        font-size: 0.8125rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .header__book-footer {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding-top: var(--spacing-md);
        gap: var(--spacing-md);
    }

    .header__book-tema {
        text-align: center;
        font-size: 0.875rem;
        min-width: auto;
        width: 100%;
    }

    .header__book-info .header__count {
        font-size: 1rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }
}

/* Móviles pequeños */
@media (max-width: 480px) {
    .header__title {
        font-size: 1.5rem;
    }

    .header__subtitle {
        font-size: 0.9375rem;
    }

    .header__book-info {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
        margin: 0;
        border-radius: 12px;
    }

    .header__cover {
        width: 80px;
        height: 120px;
    }

    .header__book-title {
        font-size: 1.25rem;
    }

    .header__book-author {
        font-size: 0.9375rem;
    }

    .header__book-description {
        font-size: 0.875rem;
        padding: var(--spacing-sm);
        line-height: 1.5;
    }

    .header__book-meta span {
        font-size: 0.75rem;
        padding: 0.25rem var(--spacing-xs);
    }

    .header__book-tema {
        font-size: 0.8125rem;
    }

    .header__book-info .header__count {
        font-size: 0.9375rem;
        padding: 0.375rem var(--spacing-sm);
    }
}

/* ============================================
   Main
   ============================================ */
.main {
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 300px);
}

/* ============================================
   Grid de Tarjetas
   ============================================ */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(9cm, 1fr));
    gap: 20px;
    justify-content: center;
    padding: 20px 0;
}

@media (max-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(7cm, 1fr));
        gap: 15px;
    }
}

@media (max-width: 640px) {
    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(5cm, 1fr));
        gap: 12px;
        padding: 10px 0;
    }
}

/* ============================================
   Tarjeta de Frase
   ============================================ */
.card {
    width: 9cm;
    height: 9cm;
    padding: 0.7cm;
    border-radius: 12px;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none;
    position: relative;
    z-index: 1;
}

/* Si es un enlace, tiene cursor pointer */
.card[href] {
    cursor: pointer;
}

/* Si NO es un enlace (div), no tiene cursor pointer */
.card:not([href]) {
    cursor: default;
}

.card[href="#"] {
    cursor: default;
    pointer-events: none;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.card-phrase {
    font-size: 20px;
    line-height: 1.4;
    font-weight: 600;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.3cm;
    pointer-events: none;
    user-select: none;
    -webkit-user-select: none;
}

.card-meta {
    font-size: 14px;
    text-align: right;
    opacity: 0.9;
    line-height: 1.5;
    pointer-events: none;
    user-select: none;
    -webkit-user-select: none;
}

@media (max-width: 1024px) {
    .card {
        width: 7cm;
        height: 7cm;
        padding: 0.6cm;
    }

    .card-phrase {
        font-size: 16px;
    }

    .card-meta {
        font-size: 12px;
    }
}

@media (max-width: 640px) {
    .card {
        width: 5cm;
        height: 5cm;
        padding: 0.5cm;
    }

    .card-phrase {
        font-size: 12px;
    }

    .card-meta {
        font-size: 10px;
    }
}

/* ============================================
   Paleta de Colores
   ============================================ */
.card.verde {
    background: linear-gradient(135deg, var(--color-verde-start), var(--color-verde-end));
}

.card.azul {
    background: linear-gradient(135deg, var(--color-azul-start), var(--color-azul-end));
}

.card.amarillo {
    background: linear-gradient(135deg, var(--color-amarillo-start), var(--color-amarillo-end));
    color: #222;
}

.card.morado {
    background: linear-gradient(135deg, var(--color-morado-start), var(--color-morado-end));
}

.card.rojo {
    background: linear-gradient(135deg, var(--color-rojo-start), var(--color-rojo-end));
}

.card.gris {
    background: linear-gradient(135deg, var(--color-gris-start), var(--color-gris-end));
}

.card.naranja {
    background: linear-gradient(135deg, var(--color-naranja-start), var(--color-naranja-end));
}

.card.turquesa {
    background: linear-gradient(135deg, var(--color-turquesa-start), var(--color-turquesa-end));
}

.card.menta {
    background: linear-gradient(135deg, var(--color-menta-start), var(--color-menta-end));
}

.card.lila {
    background: linear-gradient(135deg, var(--color-lila-start), var(--color-lila-end));
}

.card.mostaza {
    background: linear-gradient(135deg, var(--color-mostaza-start), var(--color-mostaza-end));
    color: #222;
}

.card.grafito {
    background: linear-gradient(135deg, var(--color-grafito-start), var(--color-grafito-end));
}

.card.cian {
    background: linear-gradient(135deg, var(--color-cian-start), var(--color-cian-end));
}

.card.magenta {
    background: linear-gradient(135deg, var(--color-magenta-start), var(--color-magenta-end));
}

.card.cafe {
    background: linear-gradient(135deg, var(--color-cafe-start), var(--color-cafe-end));
}

.card.blanco {
    background: linear-gradient(135deg, var(--color-blanco-start), var(--color-blanco-end));
    color: #333;
}

/* ============================================
   Loading
   ============================================ */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    color: var(--color-gray-600);
    min-height: 400px;
}

.loading.hidden {
    display: none;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-gray-200);
    border-top-color: #2563eb;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

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


/* ============================================
   Controles de Impresión
   ============================================ */
.print-controls {
    background: var(--color-gray-100);
    border-top: 1px solid var(--color-gray-200);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-2xl);
}

.print-controls .container {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.print-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    font-family: var(--font-family);
}

.print-btn--color {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.print-btn--color:hover {
    background: linear-gradient(135deg, #5568d3 0%, #653a8f 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.print-btn--bw {
    background: var(--color-gray-700);
    color: white;
}

.print-btn--bw:hover {
    background: var(--color-gray-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.print-btn:active {
    transform: translateY(0);
}

@media (max-width: 640px) {
    .print-controls .container {
        flex-direction: column;
        align-items: stretch;
    }

    .print-btn {
        width: 100%;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    /* Configuración de página - Hoja carta */
    @page {
        size: letter;
        margin: 1cm 1.5cm;
    }

    /* Ocultar elementos no necesarios */
    .top-nav,
    .header,
    .footer,
    .loading {
        display: none !important;
    }

    /* Reset del body */
    body {
        background: #fff;
        padding: 0;
        margin: 0;
        padding-top: 0 !important;
    }

    /* Contenedor principal */
    .main {
        padding: 0;
        min-height: auto;
    }

    .container {
        max-width: 100%;
        padding: 0;
        margin: 0;
    }

    /* Grid de tarjetas - centrado horizontal, sin separación */
    .cards-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, 5cm);
        gap: 0 !important;
        justify-content: center;
        padding: 0;
        margin: 0 auto;
        width: 100%;
    }

    /* Tarjetas de 5x5cm - ESCALADO PROPORCIONAL desde 9cm web */
    /* Escala: 5cm / 9cm = 0.556 (aproximadamente 5/9 del tamaño original) */
    .card {
        width: 5cm !important;
        height: 5cm !important;
        /* Padding web: 0.7cm → Escalado: 0.7cm * 0.556 = 0.389cm */
        padding: 0.39cm !important;
        /* Border-radius web: 12px → Escalado proporcional: 12px * 0.556 = 6.67px ≈ 7px */
        border-radius: 0 !important;
        /* Sin sombra en impresión */
        box-shadow: none !important;
        /* Borde para delimitar las tarjetas */
        border: 1px solid #000 !important;
        page-break-inside: avoid;
        margin: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: space-between !important;
        text-align: center !important;
        position: relative;
    }

    /* Eliminar efectos hover en impresión */
    .card:hover {
        transform: none !important;
    }

    /* Por defecto: impresoras sin color - fondo blanco */
    .card {
        background: #fff !important;
        color: #000 !important;
    }

    .card.verde,
    .card.azul,
    .card.amarillo,
    .card.morado,
    .card.rojo,
    .card.gris,
    .card.naranja,
    .card.turquesa,
    .card.menta,
    .card.lila,
    .card.mostaza,
    .card.grafito,
    .card.cian,
    .card.magenta,
    .card.cafe,
    .card.blanco {
        background: #fff !important;
        color: #000 !important;
    }
}

/* Modo forzado: Impresión en color */
@media print {
    body.print-color-mode * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    body.print-color-mode .card {
        border: 1px solid rgba(0, 0, 0, 0.2) !important;
        border-radius: 4px !important;
        box-shadow: 0 0.67px 2px rgba(0, 0, 0, 0.25) !important;
    }

    body.print-color-mode .card.verde {
        background: var(--color-verde-start) !important;
        color: #fff !important;
    }

    body.print-color-mode .card.azul {
        background: var(--color-azul-start) !important;
        color: #fff !important;
    }

    body.print-color-mode .card.amarillo {
        background: var(--color-amarillo-start) !important;
        color: #000 !important;
    }

    body.print-color-mode .card.morado {
        background: var(--color-morado-start) !important;
        color: #fff !important;
    }

    body.print-color-mode .card.rojo {
        background: var(--color-rojo-start) !important;
        color: #fff !important;
    }

    body.print-color-mode .card.gris {
        background: var(--color-gris-start) !important;
        color: #fff !important;
    }

    body.print-color-mode .card.naranja {
        background: var(--color-naranja-start) !important;
        color: #fff !important;
    }

    body.print-color-mode .card.turquesa {
        background: var(--color-turquesa-start) !important;
        color: #fff !important;
    }

    body.print-color-mode .card.menta {
        background: var(--color-menta-start) !important;
        color: #fff !important;
    }

    body.print-color-mode .card.lila {
        background: var(--color-lila-start) !important;
        color: #fff !important;
    }

    body.print-color-mode .card.mostaza {
        background: var(--color-mostaza-start) !important;
        color: #000 !important;
    }

    body.print-color-mode .card.grafito {
        background: var(--color-grafito-start) !important;
        color: #fff !important;
    }

    body.print-color-mode .card.cian {
        background: var(--color-cian-start) !important;
        color: #fff !important;
    }

    body.print-color-mode .card.magenta {
        background: var(--color-magenta-start) !important;
        color: #fff !important;
    }

    body.print-color-mode .card.cafe {
        background: var(--color-cafe-start) !important;
        color: #fff !important;
    }

    body.print-color-mode .card.blanco {
        background: var(--color-blanco-start) !important;
        color: #333 !important;
    }
}

/* Modo forzado: Impresión en blanco y negro */
@media print {
    body.print-bw-mode * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    body.print-bw-mode .card.verde,
    body.print-bw-mode .card.azul,
    body.print-bw-mode .card.amarillo,
    body.print-bw-mode .card.morado,
    body.print-bw-mode .card.rojo,
    body.print-bw-mode .card.gris,
    body.print-bw-mode .card.naranja,
    body.print-bw-mode .card.turquesa,
    body.print-bw-mode .card.menta,
    body.print-bw-mode .card.lila,
    body.print-bw-mode .card.mostaza,
    body.print-bw-mode .card.grafito,
    body.print-bw-mode .card.cian,
    body.print-bw-mode .card.magenta,
    body.print-bw-mode .card.cafe,
    body.print-bw-mode .card.blanco {
        background: #fff !important;
        color: #000 !important;
    }
}

/* Impresoras a COLOR - mantener gradientes (detección automática) */
@media print and (color) {
    /* Solo aplicar si no hay modo forzado */
    body:not(.print-bw-mode) * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    body:not(.print-bw-mode) .card {
        border: 1px solid rgba(0, 0, 0, 0.2) !important;
        border-radius: 4px !important;
        box-shadow: 0 0.67px 2px rgba(0, 0, 0, 0.25) !important;
    }

    .card {
        border: 1px solid rgba(0, 0, 0, 0.2) !important;
        border-radius: 4px !important;
        box-shadow: 0 0.67px 2px rgba(0, 0, 0, 0.25) !important;
    }

    /* Colores sólidos para impresoras a color (sin gradientes) */
    body:not(.print-bw-mode) .card.verde {
        background: var(--color-verde-start) !important;
        color: #fff !important;
    }

    body:not(.print-bw-mode) .card.azul {
        background: var(--color-azul-start) !important;
        color: #fff !important;
    }

    body:not(.print-bw-mode) .card.amarillo {
        background: var(--color-amarillo-start) !important;
        color: #000 !important;
    }

    body:not(.print-bw-mode) .card.morado {
        background: var(--color-morado-start) !important;
        color: #fff !important;
    }

    body:not(.print-bw-mode) .card.rojo {
        background: var(--color-rojo-start) !important;
        color: #fff !important;
    }

    body:not(.print-bw-mode) .card.gris {
        background: var(--color-gris-start) !important;
        color: #fff !important;
    }

    body:not(.print-bw-mode) .card.naranja {
        background: var(--color-naranja-start) !important;
        color: #fff !important;
    }

    body:not(.print-bw-mode) .card.turquesa {
        background: var(--color-turquesa-start) !important;
        color: #fff !important;
    }

    body:not(.print-bw-mode) .card.menta {
        background: var(--color-menta-start) !important;
        color: #fff !important;
    }

    body:not(.print-bw-mode) .card.lila {
        background: var(--color-lila-start) !important;
        color: #fff !important;
    }

    body:not(.print-bw-mode) .card.mostaza {
        background: var(--color-mostaza-start) !important;
        color: #000 !important;
    }

    body:not(.print-bw-mode) .card.grafito {
        background: var(--color-grafito-start) !important;
        color: #fff !important;
    }

    body:not(.print-bw-mode) .card.cian {
        background: var(--color-cian-start) !important;
        color: #fff !important;
    }

    body:not(.print-bw-mode) .card.magenta {
        background: var(--color-magenta-start) !important;
        color: #fff !important;
    }

    body:not(.print-bw-mode) .card.cafe {
        background: var(--color-cafe-start) !important;
        color: #fff !important;
    }

    body:not(.print-bw-mode) .card.blanco {
        background: var(--color-blanco-start) !important;
        color: #333 !important;
    }
}

/* Estilos comunes de texto para ambas impresoras (color y monocromo) */
@media print {
    /* Texto de la frase - ESCALADO PROPORCIONAL */
    /* Font-size web: 20px → Escalado: 20px * 0.556 = 11.12px */
    /* Usando pt: 11.12px ≈ 8.3pt (1pt = 1.33px aproximadamente) */
    .card-phrase {
        /* 20px * (5/9) = 11.12px ≈ 8.3pt */
        font-size: 8.3pt !important;
        line-height: 1.4 !important;
        font-weight: 600 !important;
        flex: 1 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        /* Padding web: 0.3cm → Escalado: 0.3cm * 0.556 = 0.167cm */
        padding: 0.17cm !important;
        text-align: center !important;
        color: inherit !important;
    }

    /* Meta información (autor/libro) - ESCALADO PROPORCIONAL */
    /* Font-size web: 14px → Escalado: 14px * 0.556 = 7.784px ≈ 5.8pt */
    .card-meta {
        /* 14px * (5/9) = 7.784px ≈ 5.8pt */
        font-size: 5.8pt !important;
        line-height: 1.5 !important;
        opacity: 0.9 !important;
        text-align: right !important;
        color: inherit !important;
    }

    /* Asegurar que los enlaces no se impriman como enlaces */
    .card[href] {
        text-decoration: none;
        color: inherit;
    }

    /* Evitar que las tarjetas se corten entre páginas */
    .card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}