/*
 * HOJA DE ESTILOS PRINCIPAL
 * Contiene los estilos para el Login y el Dashboard del Sistema de Gimnasio.
 */

/* --- FUENTE Y VARIABLES GLOBALES --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
    --primary-color: #2c3e50; /* Azul oscuro */
    --secondary-color: #3498db; /* Azul claro */
    --background-color: #f4f7f9;
    --sidebar-bg: #ffffff;
    --text-color: #333;
    --card-bg: #ffffff;
    --shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    --green: #2ecc71;
    --red: #e74c3c;
    --orange: #f39c12;
}

/* --- ESTILOS GENERALES --- */
body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    margin: 0;
    color: var(--text-color);
}


/* --- PÁGINA DE LOGIN --- */

/* Estilo para centrar el contenedor del login */
body.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 350px;
    text-align: center;
}

.login-container .logo {
    width: 100px;
    margin-bottom: 20px;
}

.login-container h2 {
    margin-bottom: 20px;
    color: #333;
}

.login-container .input-group {
    margin-bottom: 20px;
    text-align: left;
}

.login-container .input-group label {
    display: block;
    margin-bottom: 5px;
    color: #555;
    font-weight: 500;
}

.login-container .input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

.login-container button {
    width: 100%;
    padding: 12px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.login-container button:hover {
    background-color: #2980b9;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
    text-align: center;
}


/* --- DASHBOARD: ESTRUCTURA PRINCIPAL --- */
.container {
    display: flex;
}

.sidebar {
    width: 250px;
    background-color: var(--sidebar-bg);
    height: 100vh;
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
    position: fixed;
    box-sizing: border-box;
}

.main-content {
    margin-left: 250px; /* Ancho del sidebar */
    padding: 20px;
    width: calc(100% - 250px);
    box-sizing: border-box;
}


/* --- DASHBOARD: BARRA LATERAL (SIDEBAR) --- */
.sidebar-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo-sidebar {
    width: 70px;
    margin-bottom: 10px;
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar ul li {
    margin-bottom: 10px;
}

.sidebar ul li a {
    color: var(--text-color);
    text-decoration: none;
    display: block;
    padding: 12px 15px;
    border-radius: 8px;
    transition: background-color 0.3s, color 0.3s;
}

.sidebar ul li a i {
    margin-right: 10px;
}

.sidebar ul li.active a, .sidebar ul li a:hover {
    background-color: var(--secondary-color);
    color: white;
}


/* --- DASHBOARD: BARRA SUPERIOR (HEADER) --- */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.main-header h2 {
    margin: 0;
}

.user-info {
    display: flex;
    align-items: center;
}

.user-info span {
    margin-right: 20px;
}

.logout-button {
    background-color: var(--red);
    color: white;
    padding: 8px 15px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.9em;
    transition: background-color 0.3s;
}

.logout-button:hover {
    background-color: #c0392b;
}


/* --- DASHBOARD: TARJETAS DE KPIS --- */
.kpi-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.kpi-card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
}

.icon-kpi {
    font-size: 2.8em;
    margin-right: 20px;
    color: var(--secondary-color);
}
.icon-kpi.green { color: var(--green); }
.icon-kpi.red { color: var(--red); }
.icon-kpi.orange { color: var(--orange); }

.kpi-card div {
    display: flex;
    flex-direction: column;
}

.kpi-value {
    font-size: 2em;
    font-weight: 700;
    line-height: 1.1;
}

.kpi-label {
    color: #777;
    font-size: 0.9em;
}


/* --- DASHBOARD: GRÁFICO Y ACTIVIDAD RECIENTE --- */
.content-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

.chart-container, .recent-activity {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.recent-activity ul {
    list-style: none;
    padding: 0;
    margin-top: 20px;
    max-height: 300px;
    overflow-y: auto;
}

.recent-activity li {
    padding: 10px 5px;
    border-bottom: 1px solid #eee;
}

.recent-activity li:last-child {
    border-bottom: none;
}

.activity-time {
    display: block;
    font-size: 0.8em;
    color: #999;
    margin-bottom: 5px;
}

/* --- ESTILOS PARA FORMULARIOS --- */

.form-container {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    flex: 1; /* Hace que cada grupo de formulario en una fila ocupe el mismo espacio */
    display: flex;
    flex-direction: column;
}

.form-group:only-child {
    margin-bottom: 20px;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    font-size: 1em;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.form-divider {
    border: none;
    border-top: 1px solid #eee;
    margin: 30px 0;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    margin-top: 30px;
}

.btn-save, .btn-cancel {
    padding: 12px 25px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1em;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s;
}

.btn-save {
    background-color: var(--green);
    color: white;
}
.btn-save:hover {
    background-color: #27ae60;
}

.btn-cancel {
    background-color: #ecf0f1;
    color: #333;
}
.btn-cancel:hover {
    background-color: #bdc3c7;
}

/* --- ESTILOS MEJORADOS PARA PÁGINA DE ALUMNOS --- */

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.search-bar form {
    display: flex;
    align-items: center;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 5px 10px;
}

.search-bar .fa-search {
    color: #aaa;
    margin-right: 10px;
}

.search-bar input {
    border: none;
    outline: none;
    padding: 10px;
    width: 300px;
    font-size: 0.9em;
}

.search-bar button {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 8px 15px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.search-bar button:hover {
    background-color: #2980b9;
}

.btn-add {
    background-color: var(--green);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s;
}

.btn-add:hover {
    background-color: #27ae60;
}

/* --- ESTILOS DE LA TABLA --- */
.content-table {
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.content-table table {
    width: 100%;
    border-collapse: collapse;
}

.content-table th {
    text-align: left;
    padding: 15px;
    background-color: #f8f9fa;
    font-weight: 600;
    color: #666;
    border-bottom: 2px solid #dee2e6;
}

.content-table td {
    padding: 15px;
    border-bottom: 1px solid #eee;
    vertical-align: middle;
}

.content-table tbody tr:last-child td {
    border-bottom: none;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 0.9em;
    color: #555;
}
.contact-info i {
    color: #999;
}

/* --- BADGES DE ESTADO --- */
.status-badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.8em;
    text-transform: uppercase;
}
.status-activo { background-color: rgba(46, 204, 113, 0.2); color: #27ae60; }
.status-inactivo { background-color: rgba(231, 76, 60, 0.2); color: #c0392b; }
.status-congelado { background-color: rgba(243, 156, 18, 0.2); color: #d35400; }


/* --- BOTONES DE ACCIONES --- */
.actions a.btn-action {
    color: #777;
    margin: 0 5px;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.3s, color 0.3s;
}
.actions a.btn-action:hover {
    background-color: #f0f0f0;
}
.actions a.btn-edit:hover { color: var(--secondary-color); }
.actions a.btn-delete:hover { color: var(--red); }


/* --- ESTADO VACÍO (SIN ALUMNOS) --- */
.empty-state {
    text-align: center;
    padding: 80px 40px;
    color: #777;
}
.empty-state i {
    font-size: 5em;
    color: #ccc;
    margin-bottom: 20px;
}
.empty-state h3 {
    font-size: 1.5em;
    color: #555;
    margin-bottom: 10px;
}

/* --- ESTILOS ADICIONALES PARA FINANZAS --- */

/* Variante roja para el botón de guardar egreso */
.btn-save.red-variant {
    background-color: var(--red);
}
.btn-save.red-variant:hover {
    background-color: #c0392b;
}

/* Colores para los montos en la tabla de movimientos */
.monto-ingreso {
    color: var(--green);
    font-weight: 600;
}
.monto-egreso {
    color: var(--red);
    font-weight: 600;
}

/* --- ESTILOS PARA LA PÁGINA DE HORARIOS --- */

.btn-save.green-variant {
    background-color: var(--green);
}
.btn-save.green-variant:hover {
    background-color: #27ae60;
}

.schedule-container {
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
    box-shadow: var(--shadow);
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
}

.schedule-day {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 15px;
}

.schedule-day h4 {
    margin-top: 0;
    text-align: center;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 10px;
    color: var(--primary-color);
}

.schedule-classes {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.schedule-card {
    background-color: #fff;
    border-radius: 6px;
    padding: 10px;
    border-left: 4px solid var(--secondary-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.schedule-card span {
    display: block;
}

.schedule-time {
    font-weight: 600;
    font-size: 0.9em;
    color: #333;
}
.schedule-class-name {
    font-size: 1em;
    margin: 4px 0;
}
.schedule-profesor {
    font-size: 0.8em;
    color: #777;
}

.no-classes {
    font-size: 0.9em;
    color: #999;
    text-align: center;
    padding: 20px 0;
}

/* --- ESTILOS PARA INSCRIPCIONES --- */

.btn-manage-inscriptions {
    display: block;
    margin-top: 10px;
    padding: 6px;
    text-align: center;
    background-color: #ecf0f1;
    color: #333;
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.8em;
    font-weight: 600;
    transition: background-color 0.3s;
}

.btn-manage-inscriptions:hover {
    background-color: #bdc3c7;
}

.class-details {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

.class-details p {
    margin: 5px 0;
    font-size: 1.1em;
}

/* --- ESTILOS PARA LA TOMA DE ASISTENCIA --- */

.attendance-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.attendance-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #eee;
}

.student-name {
    font-weight: 600;
    font-size: 1.1em;
}

.attendance-options input[type="radio"] {
    display: none; /* Ocultamos los botones de radio originales */
}

.attendance-options label {
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9em;
    margin: 0 5px;
    border: 2px solid transparent;
    transition: background-color 0.3s, border-color 0.3s;
}

/* Estilos por defecto de los botones */
.status-presente { background-color: #eafaf1; color: #2ecc71; }
.status-ausente { background-color: #fdedec; color: #e74c3c; }
.status-justificado { background-color: #fef5e7; color: #f39c12; }

/* Estilo cuando un botón está seleccionado (checked) */
.attendance-options input[type="radio"]:checked + label.status-presente {
    background-color: #2ecc71; color: white; border-color: #27ae60;
}
.attendance-options input[type="radio"]:checked + label.status-ausente {
    background-color: #e74c3c; color: white; border-color: #c0392b;
}
.attendance-options input[type="radio"]:checked + label.status-justificado {
    background-color: #f39c12; color: white; border-color: #d35400;
}

/* --- ESTILOS PARA LA TOMA DE ASISTENCIA --- */

.attendance-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.attendance-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f8f9fa;
    padding: 15px 20px;
    border-radius: 8px;
    border: 1px solid #eee;
}

.student-name {
    font-weight: 600;
    font-size: 1.1em;
}

.attendance-options input[type="radio"] {
    display: none; /* Ocultamos los botones de radio originales */
}

.attendance-options label {
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9em;
    margin: 0 5px;
    border: 2px solid transparent;
    transition: all 0.2s ease-in-out;
}

/* Estilos por defecto de los botones */
.status-presente { background-color: #eafaf1; color: #2ecc71; }
.status-ausente { background-color: #fdedec; color: #e74c3c; }
.status-justificado { background-color: #fef5e7; color: #f39c12; }

/* Estilo cuando un botón está seleccionado (checked) */
.attendance-options input[type="radio"]:checked + label.status-presente {
    background-color: #2ecc71; color: white; border-color: #27ae60;
}
.attendance-options input[type="radio"]:checked + label.status-ausente {
    background-color: #e74c3c; color: white; border-color: #c0392b;
}
.attendance-options input[type="radio"]:checked + label.status-justificado {
    background-color: #f39c12; color: white; border-color: #d35400;
}

/* --- ESTILOS PARA EL NUEVO DASHBOARD DE PROFESOR --- */

.kpi-container-profesor {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.kpi-card-profesor {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 15px;
}

.kpi-card-profesor i {
    font-size: 2.5em;
    color: var(--secondary-color);
}

.kpi-card-profesor div {
    display: flex;
    flex-direction: column;
}

.kpi-card-profesor span:first-child {
    font-size: 1.8em;
    font-weight: 700;
}

.kpi-card-profesor span:last-child {
    color: #777;
    font-size: 0.9em;
}

.kpi-card-profesor.main-kpi {
    background-color: var(--primary-color);
    color: white;
}
.kpi-card-profesor.main-kpi i,
.kpi-card-profesor.main-kpi span:last-child {
    color: var(--secondary-color);
}


.weekly-calendar-container {
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.weekly-calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
}

.calendar-day {
    background-color: #f9fafb;
    border-radius: 8px;
    padding: 10px;
    min-height: 150px;
}

.calendar-day.today {
    background-color: #eaf5fb;
    border: 2px solid var(--secondary-color);
}

.calendar-day h4 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 10px;
    padding-bottom: 5px;
    font-size: 1em;
    color: var(--primary-color);
}

.calendar-day.today h4 {
    font-weight: 700;
}

.calendar-classes {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.class-card-profesor {
    background-color: var(--secondary-color);
    color: white;
    padding: 8px;
    border-radius: 5px;
    text-align: center;
}

.class-card-profesor .class-time {
    font-size: 0.8em;
    font-weight: 600;
    display: block;
}

.class-card-profesor .class-name {
    font-size: 0.9em;
    display: block;
    margin: 2px 0;
}

.btn-attendance {
    background-color: #fff;
    color: var(--primary-color);
    text-decoration: none;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8em;
    font-weight: 600;
    margin-top: 5px;
    display: inline-block;
    transition: background-color 0.2s, color 0.2s;
}
.btn-attendance:hover {
    background-color: var(--primary-color);
    color: #fff;
}

/* --- ESTILOS PARA LISTA DE GESTIÓN --- */
.list-container h4 {
    margin-top: 0;
    margin-bottom: 10px;
    color: #555;
}
.item-list {
    list-style: none;
    padding: 0;
    max-height: 200px; /* Altura máxima con scroll */
    overflow-y: auto;
}
.item-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-radius: 5px;
}
.item-list li:nth-child(odd) {
    background-color: #f9f9f9;
}
.item-actions a {
    margin-left: 10px;
}