/* Variables CSS para temas */
:root {
    --primary-color: #dc3545;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --blue-color: #0d6efd;
    --red-color: #dc3545;
    --white-color: #ffffff;
    --black-color: #000000;
    
    /* Alturas para cálculos dinámicos */
    --navbar-height: 76px;
    --footer-height: 60px;
    
    /* Colores del tema claro */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --card-bg: #ffffff;
    --navbar-bg: #212529;
    --footer-bg: #212529;
}

/* Tema oscuro */
[data-bs-theme="dark"] {
    --bg-primary: #1e1e1e;
    --bg-secondary: #2a2a2a;
    --bg-tertiary: #3a3a3a;
    --text-primary: #ffffff;
    --text-secondary: #d0d0d0;
    --text-muted: #a0a0a0;
    --border-color: #404040;
    --card-bg: #2a2a2a;
    --navbar-bg: #000000;
    --footer-bg: #000000;
}

/* Estilos base */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-bottom: var(--footer-height);
}

main {
    flex: 1;
}

/* Footer flotante pegado al borde de abajo */
footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    margin: 0;
}

/* Padding dinámico para contenido que llega al footer */
.content-with-footer {
    padding-bottom: calc(var(--footer-height) + 20px);
}


/* Márgenes para títulos */
.container-fluid > .row:first-child {
    margin-top: 0.5rem;
}

/* Navbar personalizada */
.navbar-dark {
    background-color: var(--navbar-bg) !important;
    border-bottom: 2px solid var(--primary-color) !important;
}

.navbar-brand {
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link {
    color: #ffffff !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-profile-link {
    display: inline-flex !important;
    align-items: center;
    gap: 0.35rem;
    overflow: visible;
}

.nav-profile-link .nav-icon-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    overflow: visible;
}

.nav-profile-link .premium-badge {
    position: absolute;
    top: -0.2rem;
    right: -0.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background-color: var(--navbar-bg);
    color: var(--warning-color);
    border: 1px solid rgba(255, 193, 7, 0.6);
    font-size: 0.6rem;
}

.nav-profile-link .premium-badge i {
    font-size: inherit;
    line-height: 1;
    transform: scale(0.9);
}

.nav-profile-link .nav-text {
    font-weight: 500;
}

@media (max-width: 991.98px) {
    .navbar-nav .nav-link {
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    .nav-profile-link {
        gap: 0.6rem;
    }

    .nav-profile-link .nav-icon-wrapper {
        width: 2rem;
        height: 2rem;
    }

    .nav-profile-link .premium-badge {
        top: -0.05rem;
        right: -0.12rem;
        width: 0.8rem;
        height: 0.8rem;
        font-size: 0.45rem;
    }

    .nav-profile-link .premium-badge i {
        transform: scale(0.85);
    }
}

[data-bs-theme="dark"] .nav-profile-link .premium-badge {
    border-color: rgba(255, 193, 7, 0.8);
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

/* Botón de cambio de tema */
#themeToggle {
    color: #ffffff !important;
    transition: color 0.3s ease;
}

#themeToggle:hover {
    color: var(--primary-color) !important;
}

/* Cards personalizadas */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.hover-raise {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-raise:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
}

/* Cards específicas para dark mode */
[data-bs-theme="dark"] .card {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

[data-bs-theme="dark"] .card-header {
    background-color: var(--bg-tertiary);
    border-bottom-color: var(--border-color);
}

[data-bs-theme="dark"] .card-title {
    color: var(--text-primary);
}

[data-bs-theme="dark"] .card-text {
    color: var(--text-secondary);
}

/* Cards internas (bg-light) en dark mode */
[data-bs-theme="dark"] .bg-light {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

[data-bs-theme="dark"] .bg-light .text-muted {
    color: var(--text-muted) !important;
}

[data-bs-theme="dark"] .bg-light .text-primary {
    color: var(--primary-color) !important;
}

[data-bs-theme="dark"] .bg-light .text-success {
    color: var(--success-color) !important;
}

[data-bs-theme="dark"] .bg-light .text-warning {
    color: var(--warning-color) !important;
}

[data-bs-theme="dark"] .bg-light .text-danger {
    color: var(--danger-color) !important;
}

.card-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

.card-title {
    color: var(--text-primary);
    font-weight: 600;
}

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

/* Botones personalizados */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #c82333;
    border-color: #c82333;
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 600;
    border-radius: 8px;
}

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

.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
    font-weight: 600;
    border-radius: 8px;
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
    font-weight: 600;
    border-radius: 8px;
}

.btn-info {
    background-color: var(--info-color);
    border-color: var(--info-color);
    font-weight: 600;
    border-radius: 8px;
}

/* Formularios */
.form-control {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.form-control:focus {
    background-color: var(--bg-primary);
    border-color: var(--primary-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

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

.form-select {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

/* Alertas */
.alert {
    border-radius: 8px;
    border: none;
    font-weight: 500;
}

.alert-success {
    background-color: rgba(25, 135, 84, 0.1);
    color: var(--success-color);
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert-danger .alert-heading {
    color: var(--danger-color);
}

.alert-danger .btn-outline-light {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.alert-danger .btn-outline-light:hover {
    background-color: var(--danger-color);
    color: #ffffff;
    border-color: var(--danger-color);
}

/* Mejoras para alertas en dark mode */
[data-bs-theme="dark"] .alert-danger {
    background-color: rgba(220, 53, 69, 0.15);
    border-left-color: var(--danger-color);
}

[data-bs-theme="dark"] .alert-danger .btn-outline-light {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

[data-bs-theme="dark"] .alert-danger .btn-outline-light:hover {
    background-color: var(--danger-color);
    color: #ffffff;
}

/* Estadísticas del dashboard */
.stats-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
    text-decoration: none;
}

.premium-card {
    border: 2px solid rgba(255, 193, 7, 0.5);
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stats-label {
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

/* Mejores tiempos */
.best-times-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.best-time-item {
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.best-time-item:last-child {
    border-bottom: none;
}

.best-time-distance {
    font-weight: 600;
    color: var(--text-primary);
}

.best-time-value {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
}

/* Lista de actividades */
.activity-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.activity-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.activity-type-badge {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.activity-type-race {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--primary-color);
}

.activity-type-training {
    background-color: rgba(13, 110, 253, 0.1);
    color: var(--blue-color);
}

.profile-photo-preview {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border: 2px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.remove-photo-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.remove-photo-check .form-check-input {
    margin-top: 0;
    width: 1.2rem;
    height: 1.2rem;
}

@media (max-width: 576px) {
    .profile-photo-preview {
        width: 120px;
        height: 120px;
    }

    .remove-photo-check {
        justify-content: center;
    }
}

/* Footer */
footer {
    background-color: var(--footer-bg) !important;
    border-top: 2px solid var(--primary-color);
    font-size: 0.875rem;
}

footer .small {
    font-size: 0.75rem !important;
}

/* Footer responsive para mobile */
@media (max-width: 768px) {
    footer {
        padding: 0.5rem 0 !important;
        --footer-height: 50px;
    }
    
    footer .small {
        font-size: 0.7rem !important;
        line-height: 1.3;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .stats-number {
        font-size: 2rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .navbar-nav {
        text-align: center;
    }
    
    .navbar-nav .nav-item {
        margin: 0.25rem 0;
    }
    
    /* Estilo para el menú desplegable en mobile */
    .navbar-collapse {
        background-color: var(--navbar-bg);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        margin-top: 0.5rem;
    }
    
    .navbar-collapse .nav-item {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .navbar-collapse .nav-item:last-child {
        border-bottom: none;
    }
    
    .navbar-collapse .nav-link {
        padding: 0.5rem 1rem;
        text-align: left;
    }
    
    .navbar-collapse .btn-link {
        padding: 0.5rem 1rem;
        width: 100%;
        text-align: left;
    }
    
    /* Estilos para el dropdown de Carreras en desktop */
    .navbar-nav .dropdown-menu {
        background-color: var(--card-bg);
        border: 1px solid var(--border-color);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        padding: 0.25rem 0;
        margin-top: 0.5rem;
    }
    
    .navbar-nav .dropdown-item {
        color: var(--text-primary);
        padding: 0.5rem 1rem;
        transition: all 0.2s ease;
    }
    
    .navbar-nav .dropdown-item:hover {
        background-color: var(--bg-secondary);
        color: var(--primary-color);
    }
    
    .navbar-nav .dropdown-item:active {
        background-color: var(--primary-color);
        color: #ffffff;
    }
    
    /* Dropdown toggle en navbar */
    .navbar-nav .dropdown-toggle {
        color: #ffffff !important;
    }
    
    .navbar-nav .dropdown-toggle:hover {
        color: var(--primary-color) !important;
    }
    
    /* Estilos específicos para mobile */
    .navbar-collapse .dropdown-menu {
        background-color: var(--navbar-bg);
        border: none;
        box-shadow: none;
        padding: 0;
        margin: 0;
        margin-top: 0;
    }
    
    .navbar-collapse .dropdown-item {
        color: #ffffff;
        padding: 0.5rem 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .navbar-collapse .dropdown-item:last-child {
        border-bottom: none;
    }
    
    .navbar-collapse .dropdown-item:hover {
        background-color: rgba(255, 255, 255, 0.1);
        color: #ffffff;
    }
    
    .navbar-collapse .dropdown-toggle::after {
        margin-left: auto;
    }
    
    /* Separador HR antes de las acciones finales en mobile */
    .navbar-divider {
        border-color: rgba(255, 255, 255, 0.1);
        margin: 0.5rem 1rem;
        opacity: 1;
    }
    
    /* Últimos 3 elementos del menú horizontalmente en mobile */
    .navbar-collapse .navbar-actions {
        display: flex;
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        padding: 0.5rem 0;
        border-bottom: none;
    }
    
    .navbar-collapse .navbar-actions .nav-item {
        flex: 1;
        text-align: center;
        border-bottom: none;
        margin: 0;
    }
    
    .navbar-collapse .navbar-actions .nav-link {
        padding: 0.75rem 0.5rem;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.25rem;
        text-align: center;
        font-size: 0;
        line-height: 1;
    }
    
    .navbar-collapse .navbar-actions .nav-link i {
        font-size: 1.3rem;
        line-height: 1.3rem;
        margin: 0;
        display: block;
    }
    
    .navbar-collapse .navbar-actions .nav-link .me-1 {
        margin-right: 0 !important;
    }
    
    .navbar-collapse .navbar-actions .btn-link {
        width: 100%;
        padding: 0.75rem 0.5rem;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.25rem;
        text-align: center;
        font-size: 0;
        line-height: 1;
    }
    
    .navbar-collapse .navbar-actions .btn-link i {
        font-size: 1.3rem;
        line-height: 1.3rem;
        margin: 0;
        display: block;
    }
    
    .navbar-collapse .navbar-actions form {
        width: 100%;
    }
    
    /* Mejoras para tooltips en mobile */
    .navbar-collapse .navbar-actions [data-bs-toggle="tooltip"] {
        position: relative;
    }
    
    /* Estilos generales para tooltips */
    .tooltip {
        font-size: 0.875rem;
        z-index: 1060;
    }
    
    .tooltip-inner {
        background-color: rgba(0, 0, 0, 0.9);
        color: #ffffff;
        padding: 0.5rem 0.75rem;
        border-radius: 6px;
        font-weight: 500;
    }
    
    /* Tooltips en dark mode - fondo claro con texto oscuro */
    [data-bs-theme="dark"] .tooltip-inner {
        background-color: rgba(255, 255, 255, 0.95);
        color: #212529;
    }
    
    /* Flechas del tooltip en dark mode para todas las direcciones */
    [data-bs-theme="dark"] .tooltip.bs-tooltip-top .tooltip-arrow::before,
    [data-bs-theme="dark"] .tooltip.bs-tooltip-auto[data-popper-placement^="top"] .tooltip-arrow::before {
        border-top-color: rgba(255, 255, 255, 0.95);
    }
    
    [data-bs-theme="dark"] .tooltip.bs-tooltip-bottom .tooltip-arrow::before,
    [data-bs-theme="dark"] .tooltip.bs-tooltip-auto[data-popper-placement^="bottom"] .tooltip-arrow::before {
        border-bottom-color: rgba(255, 255, 255, 0.95);
    }
    
    [data-bs-theme="dark"] .tooltip.bs-tooltip-start .tooltip-arrow::before,
    [data-bs-theme="dark"] .tooltip.bs-tooltip-auto[data-popper-placement^="left"] .tooltip-arrow::before {
        border-left-color: rgba(255, 255, 255, 0.95);
    }
    
    [data-bs-theme="dark"] .tooltip.bs-tooltip-end .tooltip-arrow::before,
    [data-bs-theme="dark"] .tooltip.bs-tooltip-auto[data-popper-placement^="right"] .tooltip-arrow::before {
        border-right-color: rgba(255, 255, 255, 0.95);
    }
    
    /* Asegurar que los tooltips se vean bien en mobile */
    @media (max-width: 768px) {
        .tooltip {
            font-size: 0.875rem;
            z-index: 1060;
        }
        
        .tooltip-inner {
            padding: 0.5rem 0.75rem;
            border-radius: 6px;
            font-weight: 500;
        }
        
        /* Mostrar tooltips en mobile con toque */
        .navbar-collapse .navbar-actions [data-bs-toggle="tooltip"]:active {
            opacity: 0.8;
        }
    }
    
    /* Estadísticas de actividades alineadas */
    .stats-row {
        display: flex;
        align-items: stretch;
    }
    
    .stats-row > div {
        display: flex;
        flex-direction: column;
    }
    
    .stats-box {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        min-height: 75px;
        height: 100%;
        width: 100%;
    }
    
    .stats-box small {
        margin-bottom: 0.25rem;
        font-size: 0.75rem;
    }
    
    .stats-box strong {
        font-size: 0.9rem;
        word-break: break-word;
        text-align: center;
    }
    
    /* Asegurar que todas las cajas tengan el mismo tamaño en mobile */
    @media (max-width: 768px) {
        .stats-row > div[class*="col-"] {
            display: flex;
            flex-direction: column;
            padding: 0.25rem;
        }
        
        .stats-box {
            min-height: 85px;
            padding: 0.75rem 0.5rem !important;
        }
        
        /* Asegurar altura uniforme en cada fila */
        .stats-row {
            min-height: 85px;
        }
    }
    
    /* Icono X para el toggler cuando está abierto */
    .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M18 6L6 18M6 6l12 12'/%3e%3c/svg%3e");
        background-size: 70%;
        background-position: center;
        background-repeat: no-repeat;
    }
    
    /* Espaciado mejorado para botones en mobile en Index */
    .container-fluid .lead {
        margin-bottom: 2rem !important;
    }
    
    .container-fluid .d-flex.flex-column.gap-3 > * {
        margin-bottom: 0.75rem;
    }
    
    .container-fluid .d-flex.flex-column.gap-3 > *:last-child {
        margin-bottom: 0;
    }
    
    /* Espacio adicional entre botones y cards en mobile */
    .container-fluid .row.align-items-center > .col-lg-6:first-child {
        margin-bottom: 3rem !important;
    }
    
    .container-fluid .row.align-items-center > .col-lg-6:last-child {
        margin-top: 2rem !important;
    }
    
    /* Espacio adicional después de los botones en mobile */
    .container-fluid .d-flex.flex-column.mb-5 {
        margin-bottom: 0 !important;
        padding-bottom: 1.5rem;
    }
    
    /* Asegurar espacio entre la columna de botones y la de cards */
    .container-fluid .row.align-items-center {
        margin-bottom: 2rem;
    }
    
    /* Mejoras para botones de acción en ShareActivity en mobile */
    .action-buttons-container {
        width: 100%;
    }
    
    .action-buttons-container .action-btn {
        width: 100%;
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
        font-weight: 600;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
        min-height: 48px; /* Tamaño mínimo táctil recomendado */
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    
    .action-buttons-container .action-btn:active {
        transform: translateY(1px);
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
    }
    
    .action-buttons-container .action-btn i {
        font-size: 1rem;
        flex-shrink: 0;
    }
    
    /* Asegurar que los botones tengan buen contraste en dark mode */
    [data-bs-theme="dark"] .action-buttons-container .btn-outline-primary {
        border-width: 2px;
    }
    
    [data-bs-theme="dark"] .action-buttons-container .btn-warning {
        color: #212529;
        font-weight: 600;
    }
    
    [data-bs-theme="dark"] .action-buttons-container .action-btn {
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }
    
    /* Mejoras para botones de formularios (Create/Edit Activity) en mobile */
    .form-action-buttons {
        width: 100%;
    }
    
    .form-action-buttons .form-action-btn {
        width: 100%;
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
        font-weight: 600;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
        min-height: 48px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    
    .form-action-buttons .form-action-btn:active {
        transform: translateY(1px);
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
    }
    
    .form-action-buttons .form-action-btn i {
        font-size: 1rem;
        flex-shrink: 0;
    }
    
    /* Mejoras para inputs de archivo en mobile */
    .form-control[type="file"] {
        padding: 0.75rem;
        font-size: 0.95rem;
        min-height: 48px;
    }
    
    /* Mejoras para textarea en mobile */
    textarea.form-control {
        min-height: 100px;
        font-size: 0.95rem;
        padding: 0.75rem;
    }
    
    /* Mejoras para botones de distancias comunes en mobile */
    .d-flex.flex-wrap.gap-1 .btn-sm {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
        min-height: 40px;
        font-weight: 500;
    }
    
    /* Mejoras para campos de formulario en mobile */
    .form-label {
        font-size: 0.95rem;
        margin-bottom: 0.5rem;
    }
    
    .form-control {
        font-size: 0.95rem;
        padding: 0.75rem;
        min-height: 48px;
    }
    
    /* Mejoras para dark mode en formularios */
    [data-bs-theme="dark"] .form-action-buttons .form-action-btn {
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }
    
    [data-bs-theme="dark"] .form-action-buttons .btn-outline-secondary {
        border-width: 2px;
    }
    
    /* Mejoras para cards de formularios en mobile */
    .card-body.p-4 {
        padding: 1.5rem !important;
    }
    
    /* Mejoras para el espaciado entre campos en mobile */
    .row.g-3 > * {
        margin-bottom: 1rem;
    }
    
    /* Mejoras para el switch de tipo de actividad en mobile */
    .form-check.form-switch {
        padding-left: 3rem;
        min-height: 48px;
        display: flex;
        align-items: center;
    }
    
    .form-check-input {
        width: 3rem;
        height: 1.5rem;
        margin-top: 0;
    }
    
    .form-check-label {
        font-size: 1rem;
        font-weight: 500;
        margin-left: 0.5rem;
    }
    
    /* Radio buttons personalizados para la calculadora de pace */
    .progression-radio-group,
    .gender-radio-group {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        justify-content: center;
    }

    @media (min-width: 768px) {
        .progression-radio-group,
        .gender-radio-group {
            justify-content: center;
        }
    }
    
    .progression-radio-btn,
    .gender-radio-btn {
        position: relative;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0.625rem 1.25rem;
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--text-primary);
        background-color: var(--bg-secondary);
        border: 2px solid var(--border-color);
        border-radius: 25px;
        cursor: pointer;
        transition: all 0.3s ease;
        user-select: none;
        min-height: 44px;
    }
    
    .progression-radio-btn:hover,
    .gender-radio-btn:hover {
        background-color: var(--bg-tertiary);
        border-color: var(--primary-color);
        transform: translateY(-1px);
    }
    
    .progression-radio-btn input[type="radio"],
    .gender-radio-btn input[type="radio"] {
        position: absolute;
        opacity: 0;
        width: 0;
        height: 0;
        pointer-events: none;
        inset: 0;
    }
    
    .progression-radio-btn input[type="radio"]:checked + span,
    .gender-radio-btn input[type="radio"]:checked + span {
        color: #ffffff;
    }
    
    .progression-radio-btn input[type="radio"]:checked ~ span,
    .gender-radio-btn input[type="radio"]:checked ~ span {
        color: #ffffff;
    }
    
    .progression-radio-btn:has(input[type="radio"]:checked),
    .gender-radio-btn:has(input[type="radio"]:checked) {
        background-color: var(--primary-color);
        border-color: var(--primary-color);
        color: #ffffff;
        box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);
    }
    
    /* Fallback para navegadores que no soportan :has() */
    .progression-radio-btn.active,
    .gender-radio-btn.active {
        background-color: var(--primary-color);
        border-color: var(--primary-color);
        color: #ffffff;
        box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);
    }
    
    .progression-radio-btn.active span,
    .gender-radio-btn.active span {
        color: #ffffff;
    }
    
    /* Separadores entre secciones */
    .pace-section-divider {
        border-color: var(--border-color);
        opacity: 1;
        margin: 1.5rem 0;
    }
    
    /* Separador vertical para web - usando border-left en la segunda columna */
    @media (min-width: 768px) {
        .pace-section-calorico {
            position: relative;
        }
        
        .pace-section-calorico::before {
            content: '';
            position: absolute;
            left: -1.5rem;
            top: 0;
            bottom: 0;
            width: 1px;
            background-color: var(--border-color);
        }
    }
    
    /* Espaciado adicional para Pace en mobile */
    .pace-section-mobile {
        margin-top: 0;
    }
    
    @media (max-width: 768px) {
        /* Espaciado adicional entre Tiempo Total y Pace en mobile */
        .pace-section-mobile {
            margin-top: 1.5rem !important;
        }
    }
}

/* Estilos para inputs de tiempo separados - aplicados tanto en mobile como en web */
.time-input-group {
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: nowrap;
    width: 100%;
}

.time-input-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    flex-shrink: 0;
}

/* Input personalizado que replica form-control pero sin romper el layout */
.time-input {
    width: 60px !important;
    min-width: 60px !important;
    max-width: 60px !important;
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.625rem 0.5rem;
    background-color: var(--bg-primary) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-sizing: border-box;
    min-height: 48px;
    height: 48px;
    display: block;
    margin: 0;
}

.time-input:focus {
    background-color: var(--bg-primary) !important;
    border-color: var(--primary-color) !important;
    color: var(--text-primary) !important;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
    outline: 0;
}

.time-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0;
    text-align: center;
    display: block;
}

.time-separator {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    padding: 0 0.25rem;
    line-height: 1;
    flex-shrink: 0;
    display: inline-block;
}

/* Asegurar que en web las columnas estén lado a lado */
@media (min-width: 768px) {
    .row > .col-md-6:has(.time-input-group) {
        display: block;
    }
    
    .row > .col-md-6:has(.time-input-group) + .col-md-6:has(.time-input-group) {
        display: block;
    }
}

@media (max-width: 768px) {
    /* Asegurar que todos los inputs tengan la misma altura en mobile */
    .time-input {
        height: 48px;
        min-height: 48px;
    }
}

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

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

/* Utilidades */
.text-primary-custom {
    color: var(--primary-color) !important;
}

[data-bs-theme="dark"] .text-primary-custom {
    color: var(--text-primary) !important;
}

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

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

/* Switch personalizado */
.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Tabla personalizada */
.table {
    color: var(--text-primary);
}

.table-striped > tbody > tr:nth-of-type(odd) > td {
    background-color: var(--bg-secondary);
}

.table-hover tbody tr:hover {
    background-color: var(--bg-tertiary);
}