/* ===== COTIZA DIGITAL - ESTILOS MODERNOS ===== */

/* Importar fuentes modernas */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

/* Variables CSS para colores vibrantes */
:root {
    /* Colores principales */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --warning-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --danger-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    
    /* Colores sólidos vibrantes */
    --primary-color: #667eea;
    --secondary-color: #f093fb;
    --success-color: #4facfe;
    --warning-color: #43e97b;
    --danger-color: #fa709a;
    --info-color: #764ba2;
    
    /* Colores de fondo */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Sombras modernas */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.1);
    --shadow-2xl: 0 25px 50px rgba(0,0,0,0.15);
    
    /* Bordes redondeados */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset y configuración base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Poppins', sans-serif;
    background: var(--bg-primary);
    color: #1a202c;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Botones modernos */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-height: 48px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

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

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

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

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* Cards modernas */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 24px;
    transition: all var(--transition-normal);
    border: 1px solid rgba(255,255,255,0.1);
}

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

.card-gradient {
    background: var(--bg-gradient);
    color: white;
}

.card-gradient h2,
.card-gradient h3,
.card-gradient p {
    color: white;
}

/* Inputs modernos */
.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: 16px;
    transition: all var(--transition-normal);
    background: white;
}

.input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.input::placeholder {
    color: #a0aec0;
}

/* Labels flotantes */
.floating-label {
    position: relative;
}

.floating-label input {
    padding-top: 24px;
    padding-bottom: 8px;
}

.floating-label label {
    position: absolute;
    top: 16px;
    left: 20px;
    color: #a0aec0;
    transition: all var(--transition-normal);
    pointer-events: none;
    font-size: 16px;
}

.floating-label input:focus + label,
.floating-label input:not(:placeholder-shown) + label {
    top: 8px;
    font-size: 12px;
    color: var(--primary-color);
    font-weight: 600;
}

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

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0,0,0);
    }
    40%, 43% {
        transform: translate3d(0, -30px, 0);
    }
    70% {
        transform: translate3d(0, -15px, 0);
    }
    90% {
        transform: translate3d(0, -4px, 0);
    }
}

/* Clases de animación */
.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fadeInRight {
    animation: fadeInRight 0.6s ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-bounce {
    animation: bounce 1s infinite;
}

/* Gradientes de fondo */
.bg-gradient-primary {
    background: var(--primary-gradient);
}

.bg-gradient-secondary {
    background: var(--secondary-gradient);
}

.bg-gradient-success {
    background: var(--success-gradient);
}

.bg-gradient-warning {
    background: var(--warning-gradient);
}

.bg-gradient-danger {
    background: var(--danger-gradient);
}

/* Efectos de hover */
.hover-lift {
    transition: transform var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

.hover-glow {
    transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

/* Loading spinner moderno */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Notificaciones modernas */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background: var(--success-gradient);
}

.notification.error {
    background: var(--danger-gradient);
}

.notification.info {
    background: var(--primary-gradient);
}

/* Modal moderno */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-overlay.show {
    display: flex;
}

.modal {
    background: white;
    border-radius: var(--radius-xl);
    padding: 32px;
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-2xl);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.show .modal {
    transform: scale(1);
}

/* Responsive */
@media (max-width: 768px) {
    .btn {
        padding: 14px 20px;
        font-size: 16px;
    }
    
    .card {
        padding: 20px;
    }
    
    .input {
        padding: 14px 16px;
    }
}

/* Utilidades adicionales */
.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.border-gradient {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                var(--primary-gradient) border-box;
}

/* Efectos de partículas (opcional) */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.8;
    }
}