/* ==========================================
   VARIABLES Y RESET
   ========================================== */

:root {
    /* Colores principales - Azul del logo */
    --color-primary: #1E3A8A;
    --color-primary-dark: #1E293B;
    --color-primary-light: #3B82F6;
    
    /* Colores secundarios - Azul claro */
    --color-secondary: #60A5FA;
    --color-secondary-light: #93C5FD;
    
    /* Color de acento - Naranja del logo */
    --color-accent: #FF6B35;
    --color-accent-dark: #E85A2A;
    
    /* Colores neutros */
    --color-white: #FFFFFF;
    --color-gray-50: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;
    
    /* Colores de fondo */
    --color-bg-light: #F0F9FF;
    --color-bg-lighter: #E0F2FE;
    
    /* Tipografía */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    
    /* Tamaños de fuente */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Bordes */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Contenedor */
    --container-max-width: 1200px;
}

/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ==========================================
   COMPONENTES REUTILIZABLES
   ========================================== */

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
}

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

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn--ghost {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn--ghost:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.btn--large {
    padding: 1rem 2rem;
    font-size: var(--text-lg);
}

/* ==========================================
   HEADER
   ========================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: box-shadow var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-primary);
    cursor: pointer;
}

.header__logo-img {
    height: 75px;
    width: auto;
}

.header__nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.header__nav-link {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
    position: relative;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
}

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

.header__nav-link:hover::after {
    width: 100%;
}

.header__nav-link--cta {
    padding: 0.5rem 1.25rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
}

.header__nav-link--cta::after {
    display: none;
}

.header__nav-link--cta:hover {
    background-color: var(--color-primary-dark);
}

.header__nav-link--logout {
    background-color: transparent;
    color: var(--color-gray-700);
    border: 2px solid var(--color-gray-300);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.header__nav-link--logout:hover {
    background-color: #FEE2E2;
    color: #DC2626;
    border-color: #DC2626;
}

/* Dropdown Menu */
.header__nav-dropdown {
    position: relative;
}

.header__nav-dropdown-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
}

.header__nav-dropdown-btn:hover {
    color: var(--color-primary);
}

.header__nav-dropdown-btn svg {
    transition: transform var(--transition-normal);
}

.header__nav-dropdown.active .header__nav-dropdown-btn svg {
    transform: rotate(180deg);
}

.header__dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    min-width: 200px;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    z-index: 1000;
}

.header__nav-dropdown.active .header__dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.header__dropdown-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-gray-700);
    font-size: var(--text-base);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.header__dropdown-link:hover {
    background-color: var(--color-bg-light);
    color: var(--color-primary);
}

.header__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.header__toggle-line {
    width: 25px;
    height: 2px;
    background-color: var(--color-gray-800);
    transition: all var(--transition-normal);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    padding: 160px var(--spacing-xl) var(--spacing-4xl);
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-white) 100%);
}

.hero__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.hero__content {
    animation: fadeInUp 1s ease-out;
}

.hero__title {
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
}

.hero__title-highlight {
    color: var(--color-accent);
    position: relative;
    display: inline-block;
}

.hero__subtitle {
    font-size: var(--text-xl);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.hero__cta {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero__image {
    animation: fadeInRight 1s ease-out;
}

.hero__image-placeholder {
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==========================================
   FEATURES SECTION
   ========================================== */

.features {
    padding: var(--spacing-4xl) var(--spacing-xl);
    background-color: var(--color-white);
}

.features__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.features__header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.features__title {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.features__subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

.feature-card {
    padding: var(--spacing-2xl);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
    background-color: var(--color-white);
}

.feature-card__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-lighter);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.feature-card:hover .feature-card__icon {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.feature-card__title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.feature-card__description {
    font-size: var(--text-base);
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ==========================================
   BENEFITS SECTION
   ========================================== */

.benefits {
    padding: var(--spacing-4xl) var(--spacing-xl);
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-bg-light) 100%);
}

.benefits__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.benefits__title {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.benefits__intro {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2xl);
}

.benefits__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.benefit-item__icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
}

.benefit-item__title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.benefit-item__text {
    font-size: var(--text-base);
    color: var(--color-gray-600);
    line-height: 1.6;
}

.benefits__stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.stat-card {
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: transform var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card__number {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-card__label {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    font-weight: 500;
}

/* ==========================================
   CTA SECTION
   ========================================== */

.cta {
    padding: var(--spacing-4xl) var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.cta__container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta__title {
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.cta__text {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
    line-height: 1.7;
}

.cta__buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.cta__note {
    font-size: var(--text-sm);
    opacity: 0.8;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */

.contact {
    padding: var(--spacing-4xl) var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-white) 100%);
}

.contact--page {
    min-height: calc(100vh - 80px);
    padding-top: 140px;
}

.contact__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.contact__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.contact__title {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.contact__subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.contact__content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

/* Formulario */
.contact__form-wrapper {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact__form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

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

.form__group--full {
    grid-column: 1 / -1;
}

.form__label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xs);
}

.form__input,
.form__textarea {
    padding: 0.75rem 1rem;
    font-size: var(--text-base);
    font-family: var(--font-primary);
    color: var(--color-gray-900);
    background-color: var(--color-gray-50);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-white);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__submit {
    grid-column: 1 / -1;
    margin-top: var(--spacing-md);
}

/* WhatsApp Card */
.contact__whatsapp {
    position: sticky;
    top: 100px;
}

.whatsapp-card {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    color: var(--color-white);
}

.whatsapp-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--color-white);
}

.whatsapp-card__title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.whatsapp-card__text {
    font-size: var(--text-base);
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.btn--whatsapp {
    background-color: var(--color-white);
    color: #25D366;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.btn--whatsapp:hover {
    background-color: var(--color-gray-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.whatsapp-card__phone {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-top: var(--spacing-md);
    letter-spacing: 0.5px;
}

/* Active link styling */
.header__nav-link--active {
    color: var(--color-primary);
    font-weight: 600;
}

/* ==========================================
   FACTURAS PAGE
   ========================================== */

.facturas-page {
    min-height: calc(100vh - 80px - 300px);
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-white) 100%);
}

.facturas-page__container {
    max-width: 1200px;
    margin: 0 auto;
}

.facturas-page__header {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.facturas-page__title {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-primary-dark);
    margin: var(--spacing-sm);
}

/* Loader */
.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    text-align: center;
}

.loader__text {
    margin-top: var(--spacing-lg);
    color: var(--color-gray-600);
    font-size: var(--text-lg);
}

.spinner {
    animation: rotate 2s linear infinite;
}

.spinner__path {
    stroke: var(--color-primary);
    stroke-linecap: round;
    animation: dash 1.5s ease-in-out infinite;
}

@keyframes rotate {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes dash {
    0% {
        stroke-dasharray: 1, 150;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -35;
    }
    100% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -124;
    }
}

/* Error message */
.error-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    text-align: center;
    color: var(--color-gray-600);
}

.error-message svg {
    color: #EF4444;
    margin-bottom: var(--spacing-lg);
}

.error-message__text {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

/* Tabla de facturas */
.facturas-table-wrapper {
    background: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.table-responsive {
    overflow-x: auto;
}

.facturas-table {
    width: 100%;
    border-collapse: collapse;
}

.facturas-table thead {
    background: var(--color-gray-50);
}

.facturas-table th {
    padding: var(--spacing-lg);
    text-align: left;
    font-weight: 600;
    color: var(--color-gray-700);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--color-gray-200);
}

.facturas-table td {
    padding: var(--spacing-lg);
    color: var(--color-gray-700);
    font-size: var(--text-base);
    border-bottom: 1px solid var(--color-gray-200);
}

.facturas-table tbody tr {
    transition: background-color 0.2s ease;
}

.facturas-table tbody tr:hover {
    background-color: var(--color-gray-50);
}

.facturas-table tbody tr:last-child td {
    border-bottom: none;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge--success {
    background-color: #D1FAE5;
    color: #065F46;
}

.badge--warning {
    background-color: #FEF3C7;
    color: #92400E;
}

.badge--danger {
    background-color: #FEE2E2;
    color: #991B1B;
}

.badge--secondary {
    background-color: var(--color-gray-200);
    color: var(--color-gray-700);
}

/* Table actions */
.table-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--color-gray-600);
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    background-color: var(--color-gray-100);
    color: var(--color-primary);
}

.btn-icon:active {
    transform: scale(0.95);
}

/* Paginación */
.facturas-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-200);
}

.pagination-info {
    color: var(--color-gray-600);
    font-size: var(--text-sm);
}

/* Responsive */
@media (max-width: 768px) {
    .facturas-page {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .facturas-page__title {
        font-size: var(--text-3xl);
    }
    
    .table-responsive {
        margin: 0 calc(-1 * var(--spacing-lg));
    }
    
    .facturas-table th,
    .facturas-table td {
        padding: var(--spacing-md);
        font-size: var(--text-sm);
    }
    
    .facturas-table th {
        font-size: var(--text-xs);
    }
}

/* ==========================================
   SIN FACTURAR PAGE
   ========================================== */

.sin-facturar-page {
    min-height: calc(100vh - 80px - 300px);
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-white) 100%);
}

.sin-facturar-page__container {
    max-width: 1400px;
    margin: 0 auto;
}

.sin-facturar-page__header {
    margin-bottom: var(--spacing-2xl);
}

.sin-facturar-page__header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.sin-facturar-page__header-content > div:first-child {
    text-align: left;
}

.sin-facturar-page__title {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-primary-dark);
    margin: var(--spacing-sm);
}

.sin-facturar-page__subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
}

/* View Toggle */
.view-toggle {
    display: flex;
    gap: var(--spacing-xs);
    background: var(--color-gray-100);
    padding: 4px;
    border-radius: 8px;
}

.view-toggle__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--color-gray-600);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.view-toggle__btn:hover {
    color: var(--color-primary);
    background: rgba(30, 58, 138, 0.1);
}

.view-toggle__btn.active {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Responsive header */
@media (max-width: 768px) {
    .sin-facturar-page__header-content {
        flex-direction: column;
        align-items: stretch;
    }
    
    .sin-facturar-page__header-content > div:first-child {
        text-align: center;
    }
    
    .sin-facturar-page__title {
        font-size: var(--text-3xl);
    }
    
    .view-toggle {
        justify-content: center;
    }
}

/* Grid de envíos */
.envios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

/* Tarjeta de envío */
.envio-card {
    background: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
    border: 1px solid var(--color-gray-200);
}

.envio-card:hover {
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.15);
    transform: translateY(-2px);
}

.envio-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-gray-100);
}

.envio-card__ref {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.envio-card__label {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.envio-card__value {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.envio-card__body {
    margin-bottom: var(--spacing-lg);
}

.envio-card__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.envio-card__row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-700);
    font-size: var(--text-sm);
}

.envio-card__row svg {
    color: var(--color-primary-light);
    flex-shrink: 0;
}

.envio-card__tracking {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--color-primary);
}

.envio-card__status {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--color-bg-light);
    border-radius: 8px;
    margin-top: var(--spacing-sm);
}

.envio-card__status-label {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
    font-weight: 600;
    text-transform: uppercase;
}

.envio-card__status-value {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--color-primary);
}

.envio-card__status-date {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
}

.envio-card__footer {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Botones pequeños */
.btn-small {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: 8px;
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-small--primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-small--primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

.btn-small--secondary {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.btn-small--secondary:hover {
    background: var(--color-gray-200);
}

.btn-small--accent {
    background: var(--color-accent);
    color: var(--color-white);
}

.btn-small--accent:hover {
    background: var(--color-accent-dark);
    transform: translateY(-1px);
}

/* Estado vacío */
.empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    text-align: center;
    color: var(--color-gray-600);
}

.empty-state svg {
    opacity: 0.3;
    margin-bottom: var(--spacing-lg);
}

/* ==========================================
   ENVÍOS TABLE VIEW
   ========================================== */

.envios-table-wrapper {
    background: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow-x: auto;
    border: 1px solid var(--color-gray-200);
}

.envios-table {
    width: 100%;
    border-collapse: collapse;
}

.envios-table__head {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
}

.envios-table__head th {
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: left;
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.envios-table__body tr {
    border-bottom: 1px solid var(--color-gray-200);
    transition: background-color 0.2s ease;
}

.envios-table__body tr:hover {
    background-color: var(--color-bg-light);
}

.envios-table__body tr:last-child {
    border-bottom: none;
}

.envios-table__body td {
    padding: var(--spacing-lg) var(--spacing-md);
    font-size: var(--text-sm);
    color: var(--color-gray-700);
    vertical-align: middle;
}

.envios-table__albaran {
    font-weight: 700;
    color: var(--color-primary);
    font-size: var(--text-base);
}

.envios-table__tracking {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--color-primary);
    font-size: var(--text-sm);
}

.envios-table__tracking-secondary {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-gray-600);
    margin-top: 2px;
}

.envios-table__status {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.envios-table__status-text {
    font-weight: 600;
    color: var(--color-gray-900);
}

.envios-table__status-date {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
}

.envios-table__actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: nowrap;
}

.envios-table__empty {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--color-gray-600);
}

.envios-table__empty svg {
    opacity: 0.3;
    margin-bottom: var(--spacing-lg);
}

/* Responsive table */
@media (max-width: 768px) {
    .envios-table-wrapper {
        border-radius: 8px;
    }
    
    .envios-table__head th {
        padding: var(--spacing-md) var(--spacing-sm);
        font-size: var(--text-xs);
    }
    
    .envios-table__body td {
        padding: var(--spacing-md) var(--spacing-sm);
        font-size: var(--text-xs);
    }
    
    .envios-table__actions {
        flex-direction: column;
    }
    
    .btn-small {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--text-xs);
    }
}

/* Modal de seguimiento */
.seguimiento-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translateY(-20px);
    background: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    z-index: 10001;
    opacity: 0;
    transition: all 0.3s ease;
}

.seguimiento-modal__header {
    position: relative;
    padding: var(--spacing-xl);
    border-bottom: 2px solid var(--color-gray-100);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
}

.seguimiento-modal__header h3 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--text-2xl);
}

.seguimiento-modal__ref {
    margin: 0;
    font-size: var(--text-sm);
    opacity: 0.9;
    font-family: 'Courier New', monospace;
}

.seguimiento-modal__header .modal__close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.seguimiento-modal__header .modal__close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.seguimiento-modal__body {
    padding: var(--spacing-xl);
    overflow-y: auto;
    max-height: calc(80vh - 120px);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: var(--color-gray-200);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-xl);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--spacing-xl));
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-white);
    border: 2px solid var(--color-gray-400);
    z-index: 1;
}

.timeline-item--active .timeline-marker {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(30, 58, 138, 0.2);
}

.timeline-content {
    padding-left: var(--spacing-md);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--spacing-md);
}

.timeline-header strong {
    color: var(--color-primary-dark);
    font-size: var(--text-base);
}

.timeline-date {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
    white-space: nowrap;
}

.timeline-item--active .timeline-header strong {
    color: var(--color-primary);
}

/* Responsive */
@media (max-width: 1024px) {
    .envios-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .sin-facturar-page {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .sin-facturar-page__title {
        font-size: var(--text-3xl);
    }
    
    .envios-grid {
        grid-template-columns: 1fr;
    }
    
    .envio-card {
        padding: var(--spacing-lg);
    }
}

/* ==========================================
   CALCULAR PRECIO PAGE
   ========================================== */

.calcular-precio-page {
    min-height: calc(100vh - 80px - 300px);
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-white) 100%);
}

.calcular-precio-page__container {
    max-width: 1400px;
    margin: 0 auto;
}

.calcular-precio-page__header {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.calcular-precio-page__title {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-primary-dark);
    margin: var(--spacing-sm);
}

.calcular-precio-page__subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
}

/* Layout */
.calcular-precio-layout {
    display: grid;
    grid-template-columns: 450px 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

/* Formulario */
.calcular-precio-form-wrapper {
    position: sticky;
    top: calc(80px + var(--spacing-lg));
}

.calcular-form {
    background: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-xl);
}

.form-section {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.form-section:last-of-type {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: var(--spacing-md);
}

.form-section__title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.form__checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form__checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    position: relative;
}

.form__checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.form__checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-weight: 400;
    font-size: var(--text-sm);
    color: var(--color-gray-700);
    width: 100%;
    position: relative;
    padding-left: 28px;
}

.form__checkbox-label::before {
    content: '';
    position: absolute;
    left: 0;
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-gray-300);
    border-radius: 4px;
    background: var(--color-gray-50);
    transition: all 0.2s ease;
}

.form__checkbox-label::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 50%;
    width: 5px;
    height: 10px;
    border: solid var(--color-white);
    border-width: 0 2px 2px 0;
    transform: translateY(-50%) rotate(45deg) scale(0);
    transition: transform 0.2s ease;
}

.form__checkbox input[type="checkbox"]:checked + .form__checkbox-label::before {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.form__checkbox input[type="checkbox"]:checked + .form__checkbox-label::after {
    transform: translateY(-60%) rotate(45deg) scale(1);
}

.form__checkbox:hover .form__checkbox-label::before {
    border-color: var(--color-primary);
}

.form__checkbox-label svg {
    flex-shrink: 0;
    width: 14px;
    height: 14px;
    opacity: 0.6;
}

.form__checkbox input[type="checkbox"]:checked + .form__checkbox-label {
    color: var(--color-gray-900);
}

.form__checkbox input[type="checkbox"]:checked + .form__checkbox-label svg {
    color: var(--color-primary);
    opacity: 1;
}

.calcular-form .btn {
    width: 100%;
    justify-content: center;
}

/* Resultados */
.calcular-results-wrapper {
    background: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-2xl);
    min-height: 400px;
}

.results-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--color-gray-600);
}

.results-empty svg {
    opacity: 0.3;
    margin-bottom: var(--spacing-xl);
    color: var(--color-primary);
}

.results-empty h3 {
    font-size: var(--text-2xl);
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

.results-empty p {
    max-width: 400px;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-gray-100);
}

.results-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary-dark);
}

.results-count {
    font-size: var(--text-base);
    color: var(--color-gray-600);
    font-weight: 600;
}

/* Info del paquete */
.paquete-info {
    background: var(--color-bg-light);
    border-radius: 8px;
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.paquete-info__title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

.paquete-info__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.paquete-info__item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.paquete-info__item svg {
    color: var(--color-primary-light);
    flex-shrink: 0;
    margin-top: 1px;
    width: 14px;
    height: 14px;
}

.paquete-info__item > div {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.paquete-info__label {
    font-size: 10px;
    color: var(--color-gray-600);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.paquete-info__value {
    font-size: var(--text-sm);
    color: var(--color-primary-dark);
    font-weight: 600;
}

/* Lista de transportistas */
.transportistas-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.transportista-card {
    position: relative;
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: 12px;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

.transportista-card--enabled {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.03) 0%, rgba(255, 255, 255, 1) 100%);
}

.transportista-card--enabled:hover {
    border-color: var(--color-primary-light);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.15);
    transform: translateY(-2px);
}

.transportista-card--disabled {
    opacity: 0.5;
    pointer-events: none;
    background: var(--color-gray-50);
    border-color: var(--color-gray-300);
}

.transportista-card__badge {
    position: absolute;
    top: -10px;
    left: var(--spacing-lg);
    background: var(--color-primary);
    color: var(--color-white);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 2px 8px rgba(30, 58, 138, 0.3);
}

.transportista-card__header {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.transportista-card__logo {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: 8px;
    padding: var(--spacing-xs);
}

.transportista-card__logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.transportista-card--disabled .transportista-card__logo {
    filter: grayscale(100%);
    opacity: 0.5;
}

.transportista-card__info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.transportista-card__name {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-primary-dark);
    line-height: 1.3;
}

.transportista-card__id {
    display: none;
    font-size: var(--text-xs);
    color: var(--color-gray-600);
    font-family: 'Courier New', monospace;
}

.transportista-card__pricing {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-gray-50);
    border-radius: 8px;
}

.transportista-card--enabled .transportista-card__pricing {
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-gray-50) 100%);
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.price-row--highlight {
    padding-top: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    border-top: 2px solid var(--color-primary-light);
}

.price-row--small {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.price-label {
    font-weight: 500;
    color: var(--color-gray-700);
}

.price-value {
    font-weight: 700;
    color: var(--color-primary-dark);
}

.price-value--large {
    font-size: var(--text-xl);
    color: var(--color-primary);
}

.transportista-card__footer {
    display: none;
    padding-top: var(--spacing-lg);
}

.btn--block {
    width: 100%;
    justify-content: center;
}

.price-comparison {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.price-comparison__label {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
    text-transform: uppercase;
    font-weight: 600;
}

.price-comparison__value {
    font-size: var(--text-lg);
    font-weight: 700;
    color: #10B981;
}

.no-transportistas {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    text-align: center;
    color: var(--color-gray-600);
}

.no-transportistas svg {
    opacity: 0.3;
    margin-bottom: var(--spacing-lg);
    color: #EF4444;
}

/* Responsive */
@media (max-width: 1200px) {
    .calcular-precio-layout {
        grid-template-columns: 400px 1fr;
    }
    
    .paquete-info__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 1024px) {
    .calcular-precio-layout {
        grid-template-columns: 1fr;
    }
    
    .calcular-precio-form-wrapper {
        position: static;
    }
    
    .paquete-info__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .calcular-precio-page {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .calcular-precio-page__title {
        font-size: var(--text-3xl);
    }
    
    .calcular-form {
        padding: var(--spacing-lg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .paquete-info__grid {
        grid-template-columns: 1fr;
    }
    
    .transportista-card {
        padding: var(--spacing-lg);
    }
    
    .transportista-card__header {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .transportista-card__logo {
        width: 60px;
        height: 60px;
        align-self: center;
    }
}

/* ==========================================
   MODAL & LOGIN
   ========================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal__content {
    position: relative;
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 480px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
    z-index: 10001;
}

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

.modal__close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
    border-radius: 50%;
    transition: all var(--transition-normal);
    cursor: pointer;
    z-index: 1;
}

.modal__close:hover {
    background-color: var(--color-gray-200);
    color: var(--color-gray-900);
    transform: rotate(90deg);
}

/* Login Form */
.login {
    padding: var(--spacing-3xl) var(--spacing-2xl) var(--spacing-2xl);
}

.login__header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.login__title {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.login__subtitle {
    font-size: var(--text-base);
    color: var(--color-gray-600);
}

.login__form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.login__error {
    padding: var(--spacing-md);
    background-color: #FEE2E2;
    border: 1px solid #EF4444;
    border-radius: var(--radius-md);
    color: #991B1B;
    font-size: var(--text-sm);
    text-align: center;
}

.login__submit {
    width: 100%;
    position: relative;
}

.login__submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.login__submit-loader {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.spinner {
    animation: rotate 2s linear infinite;
}

.spinner__path {
    stroke: currentColor;
    stroke-linecap: round;
    animation: dash 1.5s ease-in-out infinite;
}

@keyframes rotate {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes dash {
    0% {
        stroke-dasharray: 1, 150;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -35;
    }
    100% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -124;
    }
}

.login__footer {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.login__link {
    color: var(--color-primary);
    font-size: var(--text-sm);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.login__link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    padding: var(--spacing-4xl) var(--spacing-xl) var(--spacing-xl);
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
}

.footer__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-4xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--color-gray-700);
    margin-bottom: var(--spacing-xl);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer__logo-img {
    height: 75px;
    width: auto;
    object-fit: contain;
}

.footer__logo-icon {
    color: var(--color-primary);
}

.footer__logo-text {
    color: var(--color-white);
}

.footer__tagline {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    line-height: 1.6;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer__column-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__link {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer__copyright {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.footer__social {
    display: flex;
    gap: var(--spacing-md);
}

.footer__social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-800);
    color: var(--color-gray-400);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.footer__social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

/* ==========================================
   MEDIA QUERIES - RESPONSIVE
   ========================================== */

/* Tablet - 768px */
@media (max-width: 768px) {
    :root {
        --text-5xl: 2.25rem;
        --text-4xl: 1.875rem;
        --text-3xl: 1.5rem;
    }
    
    /* Header responsive */
    .header__nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: 0;
        overflow: hidden;
        background-color: var(--color-white);
        box-shadow: var(--shadow-lg);
        transition: height var(--transition-normal);
    }
    
    .header__nav.active {
        height: auto;
        padding: var(--spacing-xl) 0;
    }
    
    .header__nav-list {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }
    
    .header__nav-item {
        width: 100%;
        text-align: center;
    }
    
    .header__nav-link {
        display: block;
        padding: var(--spacing-md) var(--spacing-xl);
        width: 100%;
    }
    
    .header__nav-link--cta {
        margin: var(--spacing-md) var(--spacing-xl);
        display: inline-block;
        width: auto;
    }
    
    .header__toggle {
        display: flex;
    }
    
    .header__toggle.active .header__toggle-line:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .header__toggle.active .header__toggle-line:nth-child(2) {
        opacity: 0;
    }
    
    .header__toggle.active .header__toggle-line:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    /* Dropdown en móvil */
    .header__dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: var(--color-gray-50);
        margin-top: var(--spacing-sm);
        display: none;
    }
    
    .header__nav-dropdown.active .header__dropdown-menu {
        display: block;
    }
    
    /* Hero responsive */
    .hero {
        padding: 120px var(--spacing-lg) var(--spacing-3xl);
    }
    
    .hero__container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .hero__image {
        order: -1;
    }
    
    .hero__cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* Benefits responsive */
    .benefits__container {
        grid-template-columns: 1fr;
    }
    
    .benefits__visual {
        order: -1;
    }
    
    /* Footer responsive */
    .footer__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer__links {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* Mobile - 480px */
@media (max-width: 480px) {
    :root {
        --text-5xl: 1.875rem;
        --text-4xl: 1.5rem;
        --spacing-xl: 1rem;
        --spacing-2xl: 1.5rem;
        --spacing-3xl: 2rem;
        --spacing-4xl: 3rem;
    }
    
    .header__container {
        padding: 0 var(--spacing-lg);
    }
    
    .hero {
        padding: 100px var(--spacing-md) var(--spacing-2xl);
    }
    
    .hero__title {
        font-size: var(--text-3xl);
    }
    
    .hero__subtitle {
        font-size: var(--text-base);
    }
    
    .features,
    .benefits,
    .contact {
        padding: var(--spacing-3xl) var(--spacing-md);
    }
    
    .features__grid {
        grid-template-columns: 1fr;
    }
    
    .benefits__stats {
        grid-template-columns: 1fr;
    }
    
    .contact__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .contact__whatsapp {
        position: static;
    }

    .contact__form {
        grid-template-columns: 1fr;
    }
    
    .footer {
        padding: var(--spacing-3xl) var(--spacing-md) var(--spacing-lg);
    }
}

/* ==========================================
   CREAR ETIQUETA PAGE
   ========================================== */

.crear-etiqueta-page {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-white) 100%);
}

.crear-etiqueta-page__container {
    max-width: 900px;
    margin: 0 auto;
}

.crear-etiqueta-page__header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.crear-etiqueta-page__title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.crear-etiqueta-page__subtitle {
    font-size: var(--text-base);
    color: var(--color-gray-600);
}

/* Formulario Crear Etiqueta */
.crear-etiqueta-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Paneles del Formulario */
.form-panel {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-normal);
}

.form-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: left;
    transition: var(--transition-fast);
}

.form-panel__header:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.form-panel__header--static {
    cursor: default;
    pointer-events: none;
}

.form-panel__header--static:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.form-panel__title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin: 0;
}

.form-panel__preview {
    flex: 1;
    text-align: center;
    font-size: var(--text-sm);
    opacity: 0.9;
}

.form-panel__icon {
    transition: transform var(--transition-fast);
}

.form-panel--collapsed .form-panel__icon {
    transform: rotate(-90deg);
}

.form-panel--expanded .form-panel__icon {
    transform: rotate(0deg);
}

.form-panel__content {
    padding: var(--spacing-md);
    display: block;
    transition: max-height var(--transition-normal), opacity var(--transition-normal);
}

.form-panel--collapsed .form-panel__content {
    display: none;
}

.form-panel--expanded .form-panel__content {
    display: block;
}

.form-panel--compact .form-panel__content {
    padding: var(--spacing-md) var(--spacing-lg);
}

/* Form Groups */
.form__group {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-sm);
    min-width: 0;
    flex: 1 1 0%;
}

.form__group--grow {
    flex: 1;
    min-width: 0;
}

.form__group--inline {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: 0;
}

.form__label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 4px;
    display: block;
}

.form__group--inline .form__label {
    margin-bottom: 0;
}

.form__input {
    padding: 8px var(--spacing-md);
    font-size: var(--text-sm);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    background: var(--color-white);
    color: var(--color-gray-800);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    min-width: 0;
    flex: 1;
}

.form__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form__input:disabled {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    cursor: not-allowed;
}

.form__input--small {
    width: 100px;
    text-align: center;
}

.form__textarea {
    resize: vertical;
    min-height: 60px;
    font-family: var(--font-primary);
}

/* Form Rows */
.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    width: 100%;
}

.form-row--4 {
    grid-template-columns: repeat(4, 1fr);
}

.form-row--2-1 {
    grid-template-columns: 2fr 1fr;
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.form-actions .btn--large {
    flex: 1;
    max-width: 300px;
}

/* Toast Messages */
.toast-message {
    position: fixed;
    top: 100px;
    right: 20px;
    max-width: 500px;
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 10000;
    transform: translateX(600px);
    transition: transform var(--transition-normal);
}

.toast-message--show {
    transform: translateX(0);
}

.toast-message--success {
    border-left: 4px solid #10B981;
}

.toast-message--error {
    border-left: 4px solid #EF4444;
}

.toast-message--info {
    border-left: 4px solid var(--color-primary);
}

.mensaje-exito h3 {
    color: #10B981;
    margin-bottom: var(--spacing-md);
    font-size: var(--text-xl);
}

.envio-detalles {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
}

.envio-detalles p {
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-700);
}

.etiquetas-generadas {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
}

.etiquetas-generadas p {
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-gray-800);
}

/* Button Loader */
.btn__loader {
    display: inline-block;
    vertical-align: middle;
}

.spinner {
    animation: rotate 1s linear infinite;
}

.spinner__path {
    stroke: currentColor;
    stroke-linecap: round;
    animation: dash 1.5s ease-in-out infinite;
}

@keyframes rotate {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes dash {
    0% {
        stroke-dasharray: 1, 150;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -35;
    }
    100% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -124;
    }
}

/* Responsive Crear Etiqueta */
@media (max-width: 768px) {
    .crear-etiqueta-page {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .crear-etiqueta-page__title {
        font-size: var(--text-2xl);
    }
    
    .form-row,
    .form-row--4 {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn--large {
        max-width: 100%;
    }
    
    .toast-message {
        right: 10px;
        left: 10px;
        max-width: calc(100% - 20px);
    }
}