/* ===== VARIABLES CSS ===== */
:root {
	--primary-color: #3498db;
	--primary-hover: #2980b9;
	--primary-gradient: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
	--secondary-color: #2c3e50;
	--text-color: #34495e;
	--light-gray: #f2eeed;
	--border-color: #b3b7bbff;
	--success-color: #27ae60;
	--danger-color: #e74c3c;
	--danger-hover: #c0392b;
	--shadow-color: rgba(0, 0, 0, 0.1);
}

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

/*
body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
		"Helvetica Neue", Arial, sans-serif;
	color: var(--text-color);
	line-height: 1.6;
}
*/
/* ===== CONTENEDOR PRINCIPAL ===== */
.container {
	top: 110px;
	max-width: 100%;
	margin: 0 auto;
	background: var(--primary-gradient);
	border-radius: 15px;
	box-shadow: 0 20px 40px var(--shadow-color);
	overflow: hidden;
	margin-left: 15px;
}

/* ===== ENCABEZADO ===== */
.header {
	background: var(--primary-gradient);
	color: white;
	padding: 30px;
	text-align: center;
	position: relative;
}

.header h1 {
	font-size: 2.5rem;
	margin-bottom: 10px;
	font-weight: 300;
}

.header p {
	opacity: 0.9;
	font-size: 1.1rem;
}

.status-bar {
	background: var(--success-color);
	color: white;
	padding: 10px 30px;
	text-align: center;
	font-size: 0.9rem;
}

/* ===== CONTENEDOR DE FORMULARIO ===== */
.form-container {
	padding: 30px;
}

.form-section {
	background: var(--light-gray);
	border-radius: 8px;
	padding: 25px;
	border: 1px solid #e9ecef;
	margin-bottom: 20px;
}

.section-title {
	color: var(--secondary-color);
	font-size: 1.3rem;
	font-weight: 600;
	margin-bottom: 20px;
	padding-bottom: 10px;
	border-bottom: 2px solid var(--primary-color);
	text-align: center;
}

/* ===== GRID DE FORMULARIOS ===== */
.form-fields {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
	gap: 20px;
	align-items: flex-start;
}

/* ===== GRUPOS DE FORMULARIO ===== */
.form-group {
	display: flex;
	flex-direction: column;
	margin-bottom: 10px;
}

.form-group1 {
	display: grid;
	grid-template-rows: 45px auto;
	margin-bottom: 20px;
}

.form-group.full-width {
	grid-column: 1 / -1;
}

/* ===== ETIQUETAS ===== */
.form-group label,
.form-group1 label {
	display: block;
	margin-bottom: 8px;
	color: var(--text-color);
	font-weight: 600;
	font-size: 14px;
	font-family: sans-serif;
	line-height: 1.4;
	white-space: normal;
	word-wrap: break-word;
}

.requerido {
	color: red;
	font-size: 22px;
	font-weight: bold;
	position: relative;
	top: 3px;
	vertical-align: middle;
	line-height: 0;
	display: inline-block;
}

/* ===== CONTROLES DE ENTRADA ===== */
.form-control,
.select-control {
	width: 100%;
	padding: 8px 11px;
	border: 1px solid var(--border-color);
	border-radius: 8px;
	font-size: 1rem;
	background: white;
	transition: all 0.3s ease;
	min-height: 40px;
}

.form-control:not(textarea) {
	height: 45px;
}

textarea.form-control {
	height: auto;
	min-height: 120px;
	resize: vertical;
}

.form-control:hover,
.select-control:hover {
	border-color: #bdc3c7;
}

.form-control:focus,
.select-control:focus {
	outline: none;
	border-color: var(--primary-color);
	box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
	transform: translateY(-1px);
}

/* ===== BÚSQUEDA ===== */
.search-container {
	display: flex;
	gap: 10px;
	align-items: center;
	background: #fff;
	border-radius: 8px;
}

.search-input-wrapper {
	flex: 1;
	position: relative;
}

.search-input {
	width: 100%;
	padding: 12px 15px;
	border: 2px solid var(--primary-color);
	border-radius: 8px;
	font-size: 1rem;
	transition: all 0.3s ease;
}

.search-input:focus {
	outline: none;
	border-color: var(--primary-hover);
	box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.btn-search {
	padding: 12px 24px;
	background: var(--primary-color);
	color: white;
	border: none;
	border-radius: 8px;
	cursor: pointer;
	font-size: 1rem;
	transition: background 0.3s ease;
}

.btn-search:hover {
	background: var(--secondary-color);
}

.btn-submit {
	width: 100%;
	padding: 12px;
	background: var(--primary-color);
	color: white;
	border: none;
	border-radius: 5px;
	font-size: 16px;
	cursor: pointer;
	margin-top: 20px;
}

.btn-submit:hover {
	background: var(--secondary-color);
}

/* ===== INDICADOR DE CARGA ===== */
.search-loading {
	position: absolute;
	right: 15px;
	top: 50%;
	transform: translateY(-50%);
	display: none;
}

.search-loading.active {
	display: block;
}

.spinner {
	width: 20px;
	height: 20px;
	border: 3px solid #f3f3f3;
	border-top: 3px solid var(--primary-color);
	border-radius: 50%;
	animation: spin 1s linear infinite;
}

@keyframes spin {
	0% {
		transform: rotate(0deg);
	}
	100% {
		transform: rotate(360deg);
	}
}

/* ===== SUGERENCIAS DE BÚSQUEDA ===== */
.suggestions-dropdown {
	position: absolute;
	top: calc(100% + 5px);
	left: 0;
	right: 0;
	background: white;
	border: 2px solid var(--primary-color);
	border-radius: 8px;
	max-height: 300px;
	overflow-y: auto;
	z-index: 1000;
	box-shadow: 0 4px 6px var(--shadow-color);
	display: none;
}

.suggestions-dropdown.active {
	display: block;
}

.suggestion-item {
	padding: 12px 15px;
	cursor: pointer;
	border-bottom: 1px solid #ecf0f1;
	transition: background-color 0.2s ease;
}

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

.suggestion-item:hover {
	background-color: #e8f4f8;
}

.suggestion-item.selected {
	background-color: #d4edda;
}

.suggestion-text {
	font-weight: 600;
	color: var(--secondary-color);
	margin-bottom: 4px;
}

.suggestion-subtext {
	font-size: 0.85rem;
	color: #7f8c8d;
}

.no-suggestions {
	padding: 15px;
	text-align: center;
	color: #95a5a6;
	font-style: italic;
}

/* ===== TABLAS ===== */
.tabla-container {
	overflow-x: auto;
	margin-top: 20px;
}

.tabla-registros {
	width: 100%;
	border-collapse: collapse;
	background: white;
	border-radius: 8px;
	overflow: hidden;
}

.tabla-registros th {
	background: var(--primary-color);
	color: white;
	padding: 12px;
	text-align: left;
	font-weight: 600;
}

.tabla-registros td {
	padding: 10px 12px;
	border-bottom: 1px solid #e9ecef;
}

.tabla-registros tr:hover {
	background: #f8f9fa;
}

.tabla-registros img {
	width: 50px;
	height: 50px;
	object-fit: cover;
	border-radius: 4px;
}

/* ===== IMÁGENES - SUBIDA Y VISTA PREVIA ===== */
.image-upload-container {
	position: absolute;
	top: 113px;
	right: 110px;
	text-align: center;
	z-index: 10;
}

.image-preview-wrapper {
	width: 120px;
	height: 120px;
	border: 3px solid var(--primary-color);
	border-radius: 10px;
	overflow: hidden;
	background-color: #f8f9fa;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: all 0.3s ease;
	position: relative;
}

.image-preview-wrapper:hover {
	border-color: var(--primary-hover);
	box-shadow: 0 4px 8px var(--shadow-color);
}

.image-preview-wrapper img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.image-placeholder {
	font-size: 60px;
	color: #bdc3c7;
}

.image-upload-label {
	display: block;
	margin-top: 10px;
	padding: 8px 15px;
	background-color: var(--primary-color);
	color: white;
	border-radius: 5px;
	cursor: pointer;
	font-size: 0.9rem;
	transition: background-color 0.3s ease;
}

.image-upload-label:hover {
	background-color: var(--primary-hover);
}

#imagen_input {
	display: none;
}

.image-remove-btn {
	position: absolute;
	top: 5px;
	right: 5px;
	background-color: var(--danger-color);
	color: white;
	border: none;
	border-radius: 50%;
	width: 30px;
	height: 30px;
	cursor: pointer;
	font-size: 18px;
	display: none;
	align-items: center;
	justify-content: center;
	transition: background-color 0.3s ease;
}

.image-remove-btn:hover {
	background-color: var(--danger-hover);
}

.image-preview-wrapper.has-image .image-remove-btn {
	display: flex;
}

/* Vista previa en formularios */
.image-preview-container {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 10px;
}

.image-preview {
	width: 200px;
	height: 200px;
	border: 2px dashed var(--border-color);
	border-radius: 8px;
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
	background: white;
}

.image-preview img {
	max-width: 100%;
	max-height: 100%;
	object-fit: cover;
}

.image-preview-text {
	color: #95a5a6;
	text-align: center;
	padding: 20px;
}

/* ===== DISEÑO RESPONSIVE ===== */

/* Tablets y pantallas medianas */
@media screen and (max-width: 768px) {
	.form-fields {
		grid-template-columns: 1fr;
	}

	.header {
		padding: 20px;
		padding-bottom: 160px;
	}

	.header h1 {
		font-size: 2rem;
	}

	.form-container,
	.form-section {
		padding: 20px;
	}

	.image-upload-container {
		position: relative;
		top: auto;
		right: auto;
		left: 0;
		margin: 20px auto;
		display: flex;
		justify-content: center;
		align-items: center;
		flex-direction: column;
	}

	.image-preview-wrapper {
		width: 130px;
		height: 130px;
	}

	.image-placeholder {
		font-size: 50px;
	}

	.image-upload-label {
		font-size: 0.85rem;
		padding: 7px 12px;
	}
}

/* Smartphones */
@media screen and (max-width: 480px) {
	body {
		padding: 10px;
	}

	.header {
		padding: 15px;
		padding-bottom: 150px;
	}

	.header h1 {
		font-size: 1.5rem;
	}

	.image-upload-container {
		margin: 15px auto;
	}

	.image-preview-wrapper {
		width: 120px;
		height: 120px;
		border-width: 2px;
		margin: 0 auto;
	}

	.image-placeholder {
		font-size: 40px;
	}

	.image-upload-label {
		font-size: 0.8rem;
		padding: 6px 10px;
		margin: 10px auto 0;
	}

	.image-remove-btn {
		width: 26px;
		height: 26px;
		font-size: 16px;
	}
}

/* Pantallas muy pequeñas */
@media screen and (max-width: 360px) {
	.header {
		padding-bottom: 140px;
	}

	.image-preview-wrapper {
		width: 100px;
		height: 100px;
	}

	.image-placeholder {
		font-size: 35px;
	}

	.image-upload-label {
		font-size: 0.75rem;
		padding: 5px 8px;
	}
}

@media (max-width: 768px) {
	.header {
		margin-bottom: 10px; /* reduce el espacio debajo del título */
		padding-bottom: 0; /* elimina relleno adicional */
	}

	.form-container {
		margin-top: 0; /* elimina margen superior */
		padding-top: 0; /* elimina relleno superior */
	}

	.container {
		padding-top: 10px; /* ajusta el margen superior general */
	}
}

@media (min-width: 769px) {
	body {
		overflow-x: hidden;
	}
}

@media (max-width: 768px) {
	* {
		max-width: 100% !important;
	}

	html {
		overflow-x: hidden !important;
		width: 100% !important;
	}

	body {
		overflow-x: hidden !important;
		width: 100% !important;
		position: relative;
		margin: 0 !important;
		padding: 0 !important;
	}

	.container {
		margin: 0 !important;
		margin-left: 0 !important;
		width: 100% !important;
		padding: 8px !important;
		max-width: 100vw !important;
		box-sizing: border-box !important;
	}

	.header {
		padding: 12px 8px !important;
		margin-bottom: 12px !important;
		width: 100% !important;
		box-sizing: border-box !important;
	}

	.header h1 {
		font-size: 16px !important;
	}

	.header p {
		font-size: 11px !important;
	}

	.main-content {
		width: 100% !important;
		max-width: 100% !important;
		gap: 12px !important;
		padding: 0 !important;
		margin: 0 !important;
	}

	.left-panel,
	.right-panel {
		width: 100% !important;
		max-width: 100% !important;
		padding: 8px !important;
		box-sizing: border-box !important;
		margin: 0 !important;
	}

	.filter-section {
		padding: 8px !important;
		width: 100% !important;
		box-sizing: border-box !important;
	}

	.filter-section h3 {
		font-size: 14px !important;
	}

	.filter-row {
		grid-template-columns: 1fr !important;
		gap: 8px !important;
		width: 100% !important;
	}

	.form-group {
		width: 100% !important;
	}

	.form-group label {
		font-size: 11px !important;
	}

	.form-control {
		font-size: 13px !important;
		padding: 6px !important;
		width: 100% !important;
		box-sizing: border-box !important;
	}

	.students-table-container {
		width: 100% !important;
		max-width: 100% !important;
		box-sizing: border-box !important;
		margin: 0 !important;
		padding: 0 !important;
	}

	.table-header {
		flex-direction: column !important;
		align-items: flex-start !important;
		gap: 6px !important;
		padding: 8px !important;
		width: 100% !important;
		box-sizing: border-box !important;
	}

	.table-header h3 {
		font-size: 12px !important;
	}

	.select-all-container {
		font-size: 11px !important;
	}

	.select-all-container input[type="checkbox"] {
		width: 14px !important;
		height: 14px !important;
	}

	#tabla-estudiantes {
		width: 100% !important;
		overflow-x: auto !important;
		box-sizing: border-box !important;
	}

	.students-table {
		width: 100% !important;
		font-size: 10px !important;
		border-collapse: collapse !important;
	}

	.students-table th,
	.students-table td {
		padding: 4px 2px !important;
		font-size: 10px !important;
	}

	/* Mostrar solo checkbox, estudiante y documento */
	.students-table th:nth-child(4),
	.students-table td:nth-child(4),
	.students-table th:nth-child(5),
	.students-table td:nth-child(5) {
		display: none !important;
	}

	.checkbox-cell {
		width: 30px !important;
		min-width: 30px !important;
	}

	.checkbox-cell input[type="checkbox"] {
		width: 14px !important;
		height: 14px !important;
	}

	.badge {
		font-size: 8px !important;
		padding: 2px 3px !important;
	}

	.alert {
		padding: 6px !important;
		font-size: 10px !important;
		margin-bottom: 8px !important;
		width: 100% !important;
		box-sizing: border-box !important;
	}

	.change-section {
		width: 100% !important;
	}

	.change-section h3 {
		font-size: 14px !important;
	}

	.selected-count {
		padding: 8px !important;
		width: 100% !important;
		box-sizing: border-box !important;
	}

	.selected-count .number {
		font-size: 20px !important;
	}

	.change-form {
		padding: 8px !important;
		width: 100% !important;
		box-sizing: border-box !important;
	}

	.btn-apply {
		padding: 10px !important;
		font-size: 12px !important;
		width: 100% !important;
	}

	.no-results {
		font-size: 12px !important;
		padding: 20px 8px !important;
	}

	.curso-actual-info {
		padding: 6px !important;
		font-size: 10px !important;
		width: 100% !important;
		box-sizing: border-box !important;
	}

	.preview-section {
		margin-top: 10px !important;
		padding-top: 10px !important;
		width: 100% !important;
	}

	.preview-list {
		max-height: 100px !important;
		font-size: 9px !important;
		padding: 6px !important;
	}

	.loading-content {
		padding: 20px !important;
		max-width: 90% !important;
	}
	.btn-grupo {
		padding: 10px 20px;
		border: none;
		border-radius: 6px;
		cursor: pointer;
		font-size: 14px;
		transition: all 0.3s;
		display: flex;
		align-items: center;
		gap: 8px;
		width: 100%;
	}
	.contenedor-botones {
		display: flex;
		justify-content: center; /* Centra horizontalmente */
		gap: 10px; /* Espacio entre botones */
		margin-top: 20px; /* Espacio superior opcional */
	}
}