/* ===== VARIABLES CSS ===== */
:root {
    /* Colores Pastel */
    --primary-pink: #FFB6C1;
    --primary-blue: #87CEEB;
    --soft-pink: #FFC0CB;
    --soft-blue: #B0E0E6;
    --light-pink: #FFE4E1;
    --light-blue: #E0F6FF;
    --lavender: #E6E6FA;
    --mint: #F0FFF0;
    --peach: #FFEEE6;
    
    /* Colores de Texto */
    --text-dark: #2C3E50;
    --text-medium: #5D6D7E;
    --text-light: #85929E;
    --white: #FFFFFF;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--primary-pink) 0%, var(--primary-blue) 100%);
    --gradient-soft: linear-gradient(135deg, var(--soft-pink) 0%, var(--soft-blue) 100%);
    --gradient-light: linear-gradient(135deg, var(--light-pink) 0%, var(--light-blue) 100%);
    
    /* Sombras */
    --shadow-soft: 0 4px 20px rgba(255, 182, 193, 0.2);
    --shadow-medium: 0 8px 30px rgba(135, 206, 235, 0.3);
    --shadow-strong: 0 12px 40px rgba(255, 182, 193, 0.4);
    
    /* Fuentes */
    --font-primary: 'Poppins', sans-serif;
    
    /* Espaciado */
    --border-radius: 15px;
    --border-radius-lg: 25px;
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--gradient-light);
    min-height: 100vh;
}

/* ===== UTILIDADES ===== */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* ===== HEADER ===== */
.header-main {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-soft);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark) !important;
    text-decoration: none;
}

.brand-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-nav .nav-link {
    color: var(--text-medium) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--text-dark) !important;
    background: var(--gradient-light);
    transform: translateY(-2px);
}

.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* ===== HERO SECTION ===== */
.hero-section {
    padding-top: 100px;
    background: var(--gradient-light);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23FFB6C1" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%2387CEEB" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23FFC0CB" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="%23B0E0E6" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-medium);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    margin-bottom: 2rem;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--border-radius-lg);
    padding: 0.75rem 2rem;
    font-weight: 600;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-strong);
    background: var(--gradient-primary);
}

.btn-outline-primary {
    border: 2px solid var(--primary-pink);
    color: var(--primary-pink);
    border-radius: var(--border-radius-lg);
    padding: 0.75rem 2rem;
    font-weight: 600;
    background: transparent;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

/* ===== HERO IMAGE ===== */
.hero-image {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-illustration {
    font-size: 15rem;
    color: var(--primary-blue);
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
    animation: float 4s ease-in-out infinite;
}

.floating-card i {
    font-size: 1.2rem;
    color: var(--primary-pink);
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 60%;
    right: 10%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 20%;
    left: 20%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* ===== FEATURES SECTION ===== */
.features-section {
    padding: 5rem 0;
    background: var(--white);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-medium);
    margin-bottom: 3rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid var(--light-pink);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong);
    background: var(--gradient-light);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--white);
}

.feature-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-medium);
    line-height: 1.7;
}

/* ===== MODAL LOGIN ===== */
.modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-strong);
    background: var(--white);
}

.modal-header {
    background: var(--gradient-light);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    padding: 1.5rem 2rem;
}

.modal-title {
    font-weight: 600;
    color: var(--text-dark);
}

.modal-body {
    padding: 2rem;
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.form-control {
    border: 2px solid var(--light-pink);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-pink);
    box-shadow: 0 0 0 0.2rem rgba(255, 182, 193, 0.25);
}

.input-group-text {
    background: var(--light-pink);
    border: 2px solid var(--light-pink);
    color: var(--primary-pink);
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.btn-outline-secondary {
    border: 2px solid var(--light-pink);
    color: var(--primary-pink);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

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

.form-check-input:checked {
    background-color: var(--primary-pink);
    border-color: var(--primary-pink);
}

.form-check-label {
    color: var(--text-medium);
}

/* ===== FOOTER ===== */
.footer-main {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-main h5 {
    color: var(--primary-pink);
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-main p {
    color: var(--text-light);
    line-height: 1.7;
}

.footer-main ul li {
    margin-bottom: 0.5rem;
}

.footer-main ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-main ul li a:hover {
    color: var(--primary-pink);
}

.footer-main hr {
    border-color: var(--text-medium);
    margin: 2rem 0 1rem;
}

/* ===== RESPONSIVE (INDEX) ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        text-align: center;
    }
    
    .btn-lg {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .hero-image {
        height: 300px;
        margin-top: 2rem;
    }
    
    .hero-illustration {
        font-size: 8rem;
    }
    
    .floating-card {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .feature-card {
        margin-bottom: 2rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
    
    .floating-card {
        position: relative;
        margin: 1rem auto;
        display: inline-flex;
    }
    
    .card-1, .card-2, .card-3 {
        position: relative;
        top: auto;
        left: auto;
        right: auto;
        bottom: auto;
    }
}

/* ===== ANIMACIONES ADICIONALES ===== */
.fade-in {
    animation: fadeIn 1s ease-in;
}

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

.slide-in-left {
    animation: slideInLeft 1s ease-out;
}

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

.slide-in-right {
    animation: slideInRight 1s ease-out;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ===== EFECTOS HOVER ADICIONALES ===== */
.btn {
    position: relative;
    overflow: hidden;
}

.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 0.5s;
}

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

/* ===== ESTILOS PARA EL DASHBOARD ===== */

/* Estilo del Logo en la Sidebar */
.sidebar-logo {
    max-width: 80%;
    height: auto;
    display: block;
    margin: 0 auto 1rem;
    border-radius: 50%;
    border: 4px solid var(--soft-blue);
    box-shadow: var(--shadow-medium);
}

/* Ajustes generales para el layout del dashboard */
#content {
    background-color: #FFFFFF;
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    margin: 1rem;
    width: 100%;
    box-shadow: var(--shadow-soft);
}

/* Media Queries para Responsividad del Dashboard */
@media (max-width: 768px) {
    body {
        display: block; /* Cambiar el flex a block */
    }

    #sidebar {
        min-width: 100%;
        max-width: 100%;
        min-height: auto;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 1030; /* Encima del contenido */
        margin-left: -100%; /* Oculto por defecto */
        transition: all 0.3s;
    }

    #sidebar.active {
        margin-left: 0;
    }

    #content {
        margin-top: 60px; /* Espacio para la navbar superior */
        padding: 1rem;
    }

    /* Botón para mostrar/ocultar la sidebar */
    #sidebarCollapse {
        display: block; /* Asegurarse que el botón sea visible */
    }
    
    .navbar-nav {
        flex-direction: row; /* Mantener los items de la navbar en horizontal */
    }
}

/* Ocultar el botón de toggle en pantallas grandes */
@media (min-width: 769px) {
    #sidebarCollapse {
        display: none;
    }
}