/**
 * Estilos principales de AgriculturaI
 * Tema: Agricultura - Verde y tonos naturales
 */

/* Variables CSS */
:root {
    --primary-color: #28a745;
    --secondary-color: #7cb342;
    --accent-color: #8d6e63;
    --dark-green: #1e7e34;
    --light-green: #e8f5e9;

    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-dark: #212529;

    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-light: #ffffff;

    --border-color: #dee2e6;
    --border-radius: 0.5rem;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);

    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Override de colores de Bootstrap */
.bg-primary {
    background-color: var(--primary-color) !important;
}

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

.btn-primary:hover {
    background-color: var(--dark-green);
    border-color: var(--dark-green);
}

.text-primary {
    color: var(--primary-color) !important;
}

/* Navbar */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-link {
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Loading Spinner */
.spinner-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    margin-bottom: 1.5rem;
}

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

.card-header {
    background-color: var(--light-green);
    border-bottom: 2px solid var(--primary-color);
    font-weight: 600;
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: var(--transition);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-success {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-success:hover {
    background-color: #689f38;
    border-color: #689f38;
}

/* Forms */
.form-control,
.form-select {
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

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

/* Badges */
.badge {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 2rem;
}

/* Alerts */
.alert {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--box-shadow);
}

/* Footer */
footer {
    margin-top: auto;
}

footer h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

footer a:hover {
    color: var(--secondary-color) !important;
    transition: var(--transition);
}

/* Utilidades */
.hover-shadow:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.text-muted-custom {
    color: var(--text-secondary);
}

.bg-light-green {
    background-color: var(--light-green);
}

.border-primary-custom {
    border-color: var(--primary-color) !important;
}

/* Sección hero */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 4rem 0;
    margin-bottom: 2rem;
}

.hero-section h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-section p {
    font-size: 1.2rem;
    opacity: 0.95;
}

/* Feature cards */
.feature-card {
    text-align: center;
    padding: 2rem;
    height: 100%;
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--dark-green);
    margin-bottom: 1rem;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Toast container */
.toast-container {
    z-index: 1090;
}

/* Lista de íconos */
.icon-list {
    list-style: none;
    padding-left: 0;
}

.icon-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
}

.icon-list li i {
    color: var(--primary-color);
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

/* Sección de contenido */
.content-section {
    padding: 3rem 0;
}

.section-title {
    color: var(--dark-green);
    font-weight: 700;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

/* Accesibilidad */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus visible para accesibilidad */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}