/* styles.css */
:root {
    --primary-blue: #1E3A8A; /* Azul oscuro y profesional */
    --primary-light: #3B82F6; /* Azul más claro */
    --accent-green: #10B981; /* Verde de rendimiento */
    --text-main: #1F2937;
    --text-muted: #6B7280;
    --bg-light: #F9FAFB;
    --bg-dark: #F3F4F6;
    --border-color: #E5E7EB;
    --danger-color: #EF4444;
    --success-color: #22C55E;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-dark);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start; /* Alinea al inicio verticalmente */
    padding: 20px 0;
}

#app-container {
    width: 100%;
    max-width: 1200px; /* Ancho máximo para la app */
    margin: 0 auto;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    border-radius: 8px;
    overflow: hidden; /* Asegura que los bordes redondeados se vean bien */
}

/* --- General Utilities --- */
.hidden {
    display: none !important;
}

.active {
    display: block !important;
}

/* --- Form Group & Inputs --- */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input[type="email"], 
.form-group input[type="password"], 
.form-group input[type="text"], 
.form-group input[type="number"], 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    color: var(--text-main);
    background-color: var(--bg-light);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: var(--primary-light);
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* --- Buttons --- */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: background-color 0.2s, box-shadow 0.2s;
    width: auto; /* Por defecto para botones no de formulario */
}

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

.btn-primary:hover {
    background-color: #142a6b;
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background-color: var(--bg-dark);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-danger {
    background-color: var(--danger-color);
    color: var(--white);
}

.btn-danger:hover {
    background-color: #cc2936;
    box-shadow: var(--shadow-sm);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    border-radius: 4px;
}

/* --- Login Screen --- */
#login-screen {
    min-height: 100vh; /* Para centrar verticalmente en la vista */
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-dark);
    padding: 20px;
}

.login-box {
    background: var(--white);
    padding: 3rem 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-box header h1 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 2.2rem;
    font-weight: 800;
}

.login-box header p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

#login-form .btn-primary {
    width: 100%;
    margin-top: 1.5rem;
}

.login-demo-tabs {
    display: flex;
    justify-content: space-around;
    gap: 0.5rem;
    margin: 1.5rem 0;
    background-color: var(--bg-dark);
    border-radius: 8px;
    padding: 0.5rem;
}

.login-demo-tabs .btn-tab {
    flex: 1;
    background: none;
    border: none;
    padding: 0.75rem;
    font-weight: 600;
    color: var(--text-main);
    border-radius: 6px;
}

.login-demo-tabs .btn-tab.active {
    background: var(--primary-light);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.login-help {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 2rem;
    line-height: 1.8;
}

/* --- App Screen Layout --- */
#app-screen {
    display: flex;
    flex-direction: column;
    min-height: 100%; /* Ocupa el espacio disponible */
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
}

.main-header .logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-blue);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 600;
    color: var(--text-main);
}

.view-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 1.5rem 2rem 0;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--white);
}

.nav-tab {
    background: none;
    border: none;
    padding: 0.8rem 1.2rem;
    font-size: 0.95rem;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s ease-in-out;
    color: var(--text-muted);
    font-weight: 500;
}

.nav-tab.active {
    border-bottom-color: var(--primary-blue);
    color: var(--primary-blue);
    font-weight: 600;
}

.main-content {
    padding: 2rem;
    background-color: var(--bg-light);
    flex-grow: 1; /* Para que el contenido ocupe el espacio restante */
}

/* --- Dashboard Styles --- */
.dashboard-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.card p, .card ul {
    font-size: 0.9rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.chart-container {
    position: relative;
    height: 180px;
    width: 100%;
    margin-top: 1.5rem;
}

.feedback-summary {
    background-color: var(--bg-dark);
    padding: 0.8rem;
    border-radius: 6px;
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
}

.feedback-summary strong {
    color: var(--primary-blue);
}

/* --- Plan Semanal Styles --- */
.plan-semanal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.plan-semanal-header h2 {
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.week-navigation {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.week-navigation span {
    font-weight: 600;
    color: var(--text-main);
    min-width: 150px;
    text-align: center;
}

.plan-table-wrapper {
    overflow-x: auto;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.plan-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    background-color: var(--white);
}

.plan-table th, .plan-table td {
    padding: 1rem;
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.plan-table th {
    background-color: var(--bg-dark);
    font-weight: 600;
    color: var(--primary-blue);
    white-space: nowrap;
}

.plan-table tbody tr:hover {
    background-color: var(--bg-dark);
    cursor: pointer;
}

.plan-table td {
    vertical-align: top;
}

.plan-table td strong {
    color: var(--text-main);
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* --- Nutrición Styles (Entrenador y Atleta) --- */
.nutricion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.nutricion-header h2 {
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.nutricion-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.nutricion-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.nutricion-card h3 {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    margin-bottom: 0;
    font-size: 1.1rem;
}

.nutricion-card .nutricion-content {
    padding: 1rem 1.5rem;
}

.nutricion-opcion {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0;
    border-bottom: 1px dashed var(--border-color);
    font-size: 0.95rem;
}

.nutricion-opcion:last-child {
    border-bottom: none;
}

.nutricion-opcion span {
    flex-grow: 1;
}

/* --- Feedback Atletas Styles --- */
.feedback-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.feedback-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
}

.feedback-card h4 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.feedback-card p {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* --- Atleta Hoy Styles --- */
.atleta-hoy-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.clickable-card {
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.clickable-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

/* --- Atleta Feedback Form --- */
.feedback-form-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.slider-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.slider-group label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
}
.slider-group input[type="range"] {
    width: 100%;
    -webkit-appearance: none;
    height: 8px;
    border-radius: 5px;
    background: var(--bg-dark);
    outline: none;
    opacity: 0.7;
    transition: opacity 0.2s;
}
.slider-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-light);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

/* --- Modals --- */
.modal-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-wrapper.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    width: 95%;
    max-width: 700px; /* Más ancho para el detalle del plan */
    box-shadow: var(--shadow-md);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
    position: relative; /* Para el botón de cerrar */
}

.modal-wrapper.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.modal-header h3 {
    color: var(--primary-blue);
    font-size: 1.4rem;
}

.close-modal-btn {
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-muted);
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.modal-body {
    max-height: 70vh; /* Limita la altura del contenido del modal */
    overflow-y: auto; /* Permite scroll si el contenido es largo */
    padding-right: 10px; /* Espacio para la barra de scroll */
}

.modal-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem 1.5rem;
}

/* Estilos específicos para el detalle del plan */
.modal-body #daily-plan-detail-content {
    background-color: var(--white); /* Fondo blanco para el contenido */
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    color: var(--text-main); /* Asegura color de texto oscuro */
    margin-top: 1.5rem; /* Separación del título */
}

.modal-body #daily-plan-detail-content {
    background-color: var(--white); /* Fondo blanco para el contenido */
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    color: var(--text-main); /* Asegura color de texto oscuro */
    margin-top: 1.5rem; /* Separación del título */
}

#daily-plan-detail-content h3 {
    color: var(--primary-light);
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

#daily-plan-detail-content p {
    white-space: pre-wrap; /* Mantiene los saltos de línea del detalle */
    margin-bottom: 1rem;
}

#daily-plan-detail-content strong {
    color: var(--primary-blue);
}

#daily-plan-detail-content strong {
    font-weight: 700;
}
#daily-plan-detail-content em {
    font-style: italic;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    body {
        padding: 10px 0;
    }
    #app-container {
        border-radius: 0;
        box-shadow: none;
    }
    .main-header {
        flex-direction: column;
        gap: 0.8rem;
        padding: 1rem;
    }
    .view-nav {
        flex-wrap: wrap;
        padding: 1rem 1rem 0;
        justify-content: center;
    }
    .nav-tab {
        padding: 0.6rem 0.8rem;
    }
    .main-content {
        padding: 1rem;
    }
    .plan-semanal-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .week-navigation {
        width: 100%;
        justify-content: space-between;
    }
    .modal-content {
        width: 98%;
        padding: 1.5rem;
    }
    .modal-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    .close-modal-btn {
        position: static;
        margin-top: 0.5rem;
        align-self: flex-end;
    }
    .modal-form-grid {
        grid-template-columns: 1fr;
    }
}