/* ---- Variables Globales de Diseño (Paleta Azul/Pastel) ---- */
:root {
    --primary-color: #5D9CEC;      /* Azul principal suave */
    --secondary-color: #4A8AF1;    /* Azul más vibrante para hovers/activos */
    --dark-blue: #1F3A5F;          /* Azul oscuro para la barra lateral */
    --light-blue-bg: #30507D;      /* Fondo para hover en la barra lateral */
    --background-color: #F0F4F8;   /* Azul pastel muy claro para el fondo principal */
    --font-color: #4F4F4F;         /* Color de texto principal (gris oscuro) */
    --secondary-font-color: #828282; /* Color para texto secundario */
    --white-color: #FFFFFF;
    --error-color: #E74C3C;
    --success-color: #27AE60;
    --border-color: #E0E7F1;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
}

/* ---- Estilos Generales y Reset ---- */
body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--font-color);
    margin: 0;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--dark-blue);
}

/* ---- Estilos de Login ---- */
.login-container {
    background-color: var(--white-color);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    width: 100%;
    max-width: 400px;
    box-sizing: border-box;
}

body > .login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-header { text-align: center; margin-bottom: 30px; }
.login-header .logo { width: 80px; height: 80px; border-radius: 50%; margin-bottom: 15px; background-color: #eee; }
.login-header h1 { margin: 0 0 5px 0; font-size: 24px; color: var(--dark-blue); }
.login-header p { margin: 0; color: var(--secondary-font-color); }
.login-form .form-group { margin-bottom: 20px; }
.login-form label { display: block; margin-bottom: 8px; font-weight: 500; color: #555; }
.btn-login { width: 100%; padding: 12px; background-color: var(--primary-color); color: var(--white-color); border: none; border-radius: 5px; cursor: pointer; font-size: 16px; font-weight: 600; transition: background-color 0.3s; }
.btn-login:hover { background-color: var(--secondary-color); }

/* ---- Panel de Administración ---- */
.admin-wrapper { display: flex; width: 100%; height: 100vh; overflow: hidden; }
.sidebar { width: 250px; background-color: var(--dark-blue); color: #ecf0f1; display: flex; flex-direction: column; flex-shrink: 0; box-shadow: 2px 0 15px rgba(0,0,0,0.1); z-index: 10; }
.sidebar-header { display: flex; align-items: center; padding: 20px; font-size: 20px; border-bottom: 1px solid var(--light-blue-bg); }
.sidebar-header .bx { font-size: 28px; margin-right: 10px; color: var(--primary-color); }
.sidebar-nav { flex: 1; display: flex; flex-direction: column; margin-top: 10px; overflow-y: auto; }
.sidebar-nav a { padding: 15px 20px; color: #bdc3c7; text-decoration: none; display: flex; align-items: center; gap: 12px; transition: background-color 0.2s, color 0.2s, border-left 0.2s; border-left: 4px solid transparent; }
.sidebar-nav a:hover { background-color: var(--light-blue-bg); color: var(--white-color); }
.sidebar-nav a.active { background-color: var(--primary-color); color: var(--white-color); border-left: 4px solid var(--white-color); font-weight: 500; }
.sidebar-nav a .bx { font-size: 20px; }
.nav-title { padding: 15px 20px 5px; font-size: 11px; text-transform: uppercase; color: #95a5a6; font-weight: 600; }
.sidebar-footer { padding: 20px; border-top: 1px solid var(--light-blue-bg); }
.btn-logout-sidebar { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; padding: 10px; background-color: transparent; border: 1px solid var(--error-color); color: var(--error-color); text-decoration: none; border-radius: 5px; transition: background-color 0.3s, color 0.3s; box-sizing: border-box; }
.btn-logout-sidebar:hover { background-color: var(--error-color); color: var(--white-color); }
.main-content { flex-grow: 1; overflow-y: auto; background-color: var(--background-color); }
.main-header { display: flex; justify-content: space-between; align-items: center; padding: 15px 30px; background-color: var(--white-color); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 5; }
.main-header h1 { margin: 0; font-size: 24px; }
.user-info { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.user-info .bx { font-size: 28px; color: var(--primary-color); }
.content { padding: 30px; }
.content > h2 { font-size: 22px; margin-top: 0; color: var(--dark-blue); }
.content > p { color: var(--secondary-font-color); margin-bottom: 30px; max-width: 800px; }
.card { background-color: var(--white-color); padding: 25px; border-radius: 8px; box-shadow: var(--box-shadow); margin-bottom: 30px; }
.card h3 { margin-top: 0; color: var(--dark-blue); border-bottom: 1px solid var(--border-color); padding-bottom: 15px; margin-bottom: 25px; font-size: 18px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 500; font-size: 14px; color: var(--font-color); }
.form-group input[type="text"], .form-group input[type="password"], .form-group input[type="number"], .form-group input[type="email"], .form-group input[type="date"] { width: 100%; padding: 12px; border: 1px solid var(--border-color); border-radius: 5px; box-sizing: border-box; transition: border-color 0.3s, box-shadow 0.3s; }
.form-group input:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(93, 156, 236, 0.2); }
.btn-primary { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; background-color: var(--primary-color); color: var(--white-color); text-decoration: none; border: none; border-radius: 5px; cursor: pointer; font-weight: 500; transition: background-color 0.3s; }
.btn-primary:hover { background-color: var(--secondary-color); }
.btn-primary .bx { font-size: 20px; }
.table-responsive { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
table th, table td { padding: 12px 15px; text-align: left; border-bottom: 1px solid var(--border-color); vertical-align: middle; }
table thead th { background-color: #f8f9fa; font-weight: 600; color: #495057; white-space: nowrap; }
table tbody tr:hover { background-color: #f1f7fe; }
table td:last-child { text-align: right; white-space: nowrap; }
.btn-action-edit, .btn-action-delete { display: inline-block; padding: 6px; color: white; text-decoration: none; border-radius: 5px; font-size: 18px; margin: 0 4px; line-height: 1; transition: transform 0.2s; }
.btn-action-edit { background-color: var(--success-color); }
.btn-action-delete { background-color: var(--error-color); }
.btn-action-edit:hover, .btn-action-delete:hover { transform: scale(1.1); }
.alert { padding: 15px; margin-bottom: 20px; border-radius: 5px; border: 1px solid transparent; }
.alert-success { background-color: #d4edda; color: #155724; border-color: #c3e6cb; }
.alert-error { background-color: #f8d7da; color: #721c24; border-color: #f5c6cb; }
.dashboard-container { background-color: var(--white-color); padding: 40px; border-radius: 8px; box-shadow: var(--box-shadow); width: 100%; max-width: 600px; box-sizing: border-box; text-align: center; }
.dashboard-header h2 { color: var(--dark-blue); margin-top: 0; }
.dashboard-content { padding: 20px 0; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); margin: 20px 0; }
.btn-logout { display: inline-block; padding: 10px 20px; background-color: var(--error-color); color: var(--white-color); text-decoration: none; border-radius: 5px; transition: opacity 0.3s; }
.btn-logout:hover { opacity: 0.8; }
.admin-link { margin-top: 30px; padding: 20px; background-color: #e8f0fe; border: 1px solid #d6e3f8; border-radius: 5px; }
.form-section { border-top: 1px solid var(--border-color); padding-top: 20px; margin-top: 20px; }
.form-section h4 { display: flex; align-items: center; gap: 8px; margin-top: 0; margin-bottom: 25px; color: var(--secondary-color); }
.form-row { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.form-group.col-6 { grid-column: span 6; }
.form-group.col-12 { grid-column: span 12; }
.search-form { display: flex; margin-bottom: 20px; }
.search-form input { flex-grow: 1; padding: 10px; border: 1px solid var(--border-color); border-radius: 5px 0 0 5px; }
.search-form button { border: none; background-color: var(--primary-color); color: white; padding: 0 15px; border-radius: 0 5px 5px 0; cursor: pointer; }
.form-group select.form-control { width: 100%; padding: 12px; border: 1px solid var(--border-color); border-radius: 5px; box-sizing: border-box; background-color: white; -webkit-appearance: none; -moz-appearance: none; appearance: none; background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23666%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22/%3E%3C/svg%3E'); background-repeat: no-repeat; background-position: right 15px top 50%; background-size: .65em auto; }
.status-active, .status-inactive { padding: 4px 10px; border-radius: 12px; font-size: 12px; font-weight: 500; color: var(--white-color); }
.status-active { background-color: var(--success-color); }
.status-inactive { background-color: #7f8c8d; }
.btn-secondary { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; background-color: #f1f3f5; color: var(--font-color); text-decoration: none; border: 1px solid var(--border-color); border-radius: 5px; cursor: pointer; font-weight: 500; transition: background-color 0.3s; }
.btn-secondary:hover { background-color: #e9ecef; }
.action-buttons { display: flex; gap: 15px; }
.btn-action { font-size: 16px; padding: 12px 24px; }
.modal-container { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.6); display: flex; align-items: center; justify-content: center; z-index: 1000; opacity: 0; pointer-events: none; transition: opacity 0.3s ease-in-out; }
.modal-container.active { opacity: 1; pointer-events: auto; }
.modal-content { background: var(--white-color); border-radius: 8px; box-shadow: 0 5px 25px rgba(0,0,0,0.2); width: 90%; max-width: 800px; max-height: 90vh; display: flex; flex-direction: column; transform: scale(0.95); transition: transform 0.3s ease-in-out; }
.modal-container.active .modal-content { transform: scale(1); }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 15px 25px; border-bottom: 1px solid var(--border-color); }
.modal-header h3 { margin: 0; font-size: 18px; }
.close-modal-btn { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--secondary-font-color); transition: color 0.2s; }
.close-modal-btn:hover { color: var(--font-color); }
.modal-body { padding: 25px; overflow-y: auto; }
.modal-content[data-type="form"] { max-width: 600px; }
.modal-loader { text-align: center; padding: 40px; font-size: 16px; color: var(--secondary-font-color); }
#search-results-container { position: relative; }
.search-results-list { position: absolute; top: 100%; left: 0; right: 0; background: var(--white-color); border: 1px solid var(--border-color); border-top: none; border-radius: 0 0 5px 5px; box-shadow: 0 4px 8px rgba(0,0,0,0.1); list-style: none; padding: 0; margin: 0; max-height: 250px; overflow-y: auto; z-index: 1001; }
.search-results-list li { padding: 10px 15px; cursor: pointer; transition: background-color 0.2s; }
.search-results-list li:not(.no-results):hover { background-color: #f1f7fe; }
.search-results-list li span { color: var(--secondary-font-color); font-size: 12px; margin-left: 8px; }
.search-results-list .no-results { color: var(--secondary-font-color); font-style: italic; cursor: default; }
#matricula-step-2 p { font-size: 16px; }
#matricula-step-2 #selected-student-name { color: var(--primary-color); font-weight: 600; }

/* ---- NUEVOS ESTILOS PARA LA PÁGINA DE ASIGNACIONES ---- */
.config-selectors {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}
.config-selectors .form-group {
    flex: 1;
    margin-bottom: 0;
}

.placeholder-text {
    text-align: center;
    padding: 40px;
    color: var(--secondary-font-color);
    background-color: #f8f9fa;
    border-radius: 5px;
}

.pensum-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.pensum-column h4 {
    font-size: 16px;
    color: var(--dark-blue);
    margin-bottom: 15px;
}

.subject-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    height: 400px;
    overflow-y: auto;
    background-color: #fdfdfd;
}

.subject-item {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s;
}
.subject-item:last-child {
    border-bottom: none;
}
.subject-item:hover {
    background-color: #f1f7fe;
}

.subject-item input[type="checkbox"] {
    margin-right: 12px;
    width: 18px;
    height: 18px;
}

.subject-item label {
    flex-grow: 1;
    cursor: pointer;
}

.ihs-select {
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid #ccc;
    margin-left: auto;
    width: 70px;
}