/* ========================================
   RESET Y VARIABLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colores principales App Kobros */
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    
    /* Colores de fondo */
    --bg-primary: #ecf0f1;
    --bg-secondary: #ffffff;
    --bg-dark: #34495e;
    
    /* Colores de texto */
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --text-light: #ffffff;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
    
    /* Transiciones */
    --transition: all 0.3s ease;
}

/* ========================================
   ESTILOS GENERALES
   ======================================== */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: var(--text-primary);
}

.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   TARJETA PRINCIPAL
   ======================================== */
.card-wrapper {
    background: var(--bg-secondary);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: slideUp 0.5s ease;
}

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

/* ========================================
   HEADER SECTION
   ======================================== */
.header-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--bg-dark) 100%);
    padding: 30px 20px;
    text-align: center;
    color: var(--text-light);
}

.logo-container {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    backdrop-filter: blur(10px);
    border: 3px solid rgba(255, 255, 255, 0.2);
}

.logo-container i {
    font-size: 40px;
    color: var(--text-light);
}

.header-section h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--warning-color);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.status-badge i {
    font-size: 16px;
}

/* ========================================
   CONTENT SECTION
   ======================================== */
.content-section {
    padding: 40px 30px;
}

.icon-warning {
    text-align: center;
    margin-bottom: 25px;
}

.icon-warning i {
    font-size: 60px;
    color: var(--warning-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

.content-section h2 {
    font-size: 24px;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
}

.description {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 30px;
}

/* ========================================
   BENEFITS BOX
   ======================================== */
.benefits-box {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 30px;
    border-left: 5px solid var(--success-color);
}

.benefits-box h3 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.benefits-box h3 i {
    color: var(--warning-color);
}

.benefits-list {
    list-style: none;
}

.benefits-list li {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.benefits-list li i {
    color: var(--success-color);
    font-size: 18px;
    flex-shrink: 0;
}

/* ========================================
   BOTONES
   ======================================== */
.btn-renovar {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--success-color) 0%, #229954 100%);
    color: var(--text-light);
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.btn-renovar:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(39, 174, 96, 0.4);
}

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

.footer-info {
    margin-top: 25px;
    text-align: center;
}

.footer-info p {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.footer-info i {
    color: var(--secondary-color);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--text-light);
}

.footer p {
    margin: 5px 0;
    font-size: 14px;
}

.footer a {
    color: var(--text-light);
    text-decoration: underline;
    transition: var(--transition);
}

.footer a:hover {
    opacity: 0.8;
}

.copyright {
    opacity: 0.7;
    font-size: 12px;
}

/* ========================================
   MODAL
   ======================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 20px;
    width: 100%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--bg-dark) 100%);
    padding: 25px 30px;
    color: var(--text-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 20px 20px 0 0;
}

.modal-header h2 {
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-modal {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-light);
    font-size: 24px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.close-modal:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.modal-body {
    padding: 30px;
}

/* ========================================
   FORMULARIO
   ======================================== */
.form-section {
    margin-bottom: 30px;
}

.form-section h3 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--bg-primary);
}

.form-section h3 i {
    color: var(--secondary-color);
}

/* Plan Option */
.plan-option {
    margin-top: 15px;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    cursor: pointer;
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 12px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.checkbox-container:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-md);
}

.checkbox-container input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    position: relative;
    height: 24px;
    width: 24px;
    background-color: var(--bg-secondary);
    border: 2px solid var(--text-secondary);
    border-radius: 6px;
    flex-shrink: 0;
    transition: var(--transition);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 7px;
    top: 3px;
    width: 6px;
    height: 12px;
    border: solid white;
    border-width: 0 3px 3px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.plan-details strong {
    display: block;
    font-size: 16px;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.plan-details p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Payment Methods */
.payment-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.payment-option {
    cursor: pointer;
}

.payment-option input[type="radio"] {
    display: none;
}

.payment-card {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    border: 3px solid transparent;
    transition: var(--transition);
}

.payment-card i {
    font-size: 36px;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.payment-card span {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
}

.payment-option input:checked + .payment-card {
    border-color: var(--success-color);
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    box-shadow: var(--shadow-md);
}

/* Form Groups */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.form-group label i {
    color: var(--secondary-color);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--bg-primary);
    border-radius: 10px;
    font-size: 15px;
    transition: var(--transition);
    background: var(--bg-secondary);
}

.form-group input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* File Upload */
.file-upload {
    position: relative;
}

.file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.file-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px;
    background: var(--bg-primary);
    border: 2px dashed var(--text-secondary);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.file-label:hover {
    border-color: var(--secondary-color);
    background: var(--bg-secondary);
}

.file-label i {
    font-size: 24px;
    color: var(--secondary-color);
}

.file-name {
    display: block;
    margin-top: 10px;
    font-size: 13px;
    color: var(--text-secondary);
    font-style: italic;
}

/* Terms Box */
.terms-box {
    background: linear-gradient(135deg, #fff3cd 0%, #ffe69c 100%);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    display: flex;
    gap: 15px;
    align-items: flex-start;
    border-left: 5px solid var(--warning-color);
}

.terms-box i {
    font-size: 24px;
    color: var(--warning-color);
    flex-shrink: 0;
}

.terms-box p {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.6;
}

.checkbox-container.terms {
    padding: 15px;
}

/* Modal Footer */
.modal-footer {
    padding: 20px 30px;
    background: var(--bg-primary);
    border-radius: 0 0 20px 20px;
    display: flex;
    gap: 15px;
    justify-content: flex-end;
}

.btn-secondary,
.btn-primary {
    padding: 14px 30px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

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

.btn-secondary:hover {
    background: #6c757d;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: linear-gradient(135deg, var(--success-color) 0%, #229954 100%);
    color: var(--text-light);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(39, 174, 96, 0.3);
}

/* ========================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ======================================== */

/* Dispositivos pequeños (hasta 480px) */
@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    
    .header-section {
        padding: 25px 15px;
    }
    
    .logo-container {
        width: 60px;
        height: 60px;
    }
    
    .logo-container i {
        font-size: 30px;
    }
    
    .header-section h1 {
        font-size: 22px;
    }
    
    .status-badge {
        font-size: 12px;
        padding: 6px 15px;
    }
    
    .content-section {
        padding: 30px 20px;
    }
    
    .content-section h2 {
        font-size: 20px;
    }
    
    .icon-warning i {
        font-size: 50px;
    }
    
    .benefits-box {
        padding: 20px;
    }
    
    .benefits-box h3 {
        font-size: 16px;
    }
    
    .benefits-list li {
        font-size: 14px;
    }
    
    .btn-renovar {
        font-size: 16px;
        padding: 16px;
    }
    
    .modal-content {
        border-radius: 15px;
        margin: 10px;
    }
    
    .modal-header {
        padding: 20px;
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .modal-header h2 {
        font-size: 18px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .payment-methods {
        grid-template-columns: 1fr;
    }
    
    .modal-footer {
        flex-direction: column;
        padding: 15px 20px;
    }
    
    .btn-secondary,
    .btn-primary {
        width: 100%;
        justify-content: center;
    }
}

/* Tablets (481px - 768px) */
@media (min-width: 481px) and (max-width: 768px) {
    .container {
        max-width: 550px;
    }
    
    .modal-content {
        max-width: 600px;
    }
}

/* Desktops pequeños (769px - 1024px) */
@media (min-width: 769px) {
    .payment-methods {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Scroll personalizado */
.modal-content::-webkit-scrollbar {
    width: 8px;
}

.modal-content::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 4px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Animaciones adicionales */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.error {
    animation: shake 0.5s;
    border-color: var(--danger-color) !important;
}

/* Estados de carga */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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