/* Título principal profesional */
.header-flex h1 {
    font-family: 'Segoe UI', 'Montserrat', Arial, sans-serif;
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: 1.2px;
    color: #0077b6;
    background: linear-gradient(90deg, #b2f7ef 0%, #e3fcec 100%);
    border-radius: 12px;
    padding: 0.3em 2.5em;
    margin: 0.2em 0 0.2em 0;
    box-shadow: 0 2px 12px #b2f7ef33;
    display: block;
    text-shadow: 0 2px 8px #b2f7ef44, 0 1px 0 #fff;
    border: 2.5px solid #90e0ef;
    width: 100%;
    max-width: 600px;
    min-width: 320px;
    margin-left: 2em;
    margin-right: 2em;
}
.header-flex {
    gap: 1.5em;
}
/* Logo del colegio en el header */
.logo-header {
    display: flex;
    align-items: center;
    margin-right: 1.2em;
}
.logo-colegio {
    width: 54px;
    height: 54px;
    object-fit: contain;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 1px 6px #b2f7ef33;
}
/* Header con usuario */
.header-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2em;
}
.usuario-header {
    display: flex;
    align-items: center;
    gap: 0.7em;
    background: #e3fcec;
    border-radius: 18px;
    padding: 0.3em 1em 0.3em 0.6em;
    box-shadow: 0 1px 6px #b2f7ef33;
}
.avatar-usuario {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #90e0ef;
    background: #fff;
}
.nombre-usuario {
    font-weight: 700;
    color: #198754;
    font-size: 1.08em;
    letter-spacing: 0.5px;
}
/* Menú de navegación principal */
.main-nav {
    background: linear-gradient(90deg, #b2f7ef 0%, #e3fcec 100%);
    box-shadow: 0 2px 8px #b2f7ef33;
    border-radius: 0 0 18px 18px;
    margin: 0 auto 1.5em auto;
    padding: 0.2em 0 0.2em 0;
    display: flex;
    justify-content: center;
}
.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5em;
}
.main-nav li {
    display: flex;
    align-items: center;
}
.main-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.5em;
    font-size: 1.08em;
    font-weight: 600;
    color: #0077b6;
    text-decoration: none;
    padding: 0.6em 1.2em;
    border-radius: 8px;
    transition: background 0.2s, color 0.2s;
}
.main-nav .nav-link i {
    font-size: 1.1em;
    color: #198754;
    transition: color 0.2s;
}
.main-nav .nav-link:hover, .main-nav .nav-link.active {
    background: #0077b6;
    color: #fff;
}
.main-nav .nav-link:hover i, .main-nav .nav-link.active i {
    color: #fff;
}
/* Botones de acción con iconos */
.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3em;
    padding: 0.3em 0.7em;
    border-radius: 5px;
    font-size: 1em;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    margin: 0 0.2em;
}
.action-edit {
    background: #e3fcec;
    color: #198754;
    border: 1px solid #b7efc5;
}
.action-edit:hover {
    background: #198754;
    color: #fff;
}
.action-delete {
    background: #fff0f3;
    color: #d90429;
    border: 1px solid #f7bfc6;
}
.action-delete:hover {
    background: #d90429;
    color: #fff;
}
.action-create {
    background: #e0f7fa;
    color: #0077b6;
    border: 1px solid #b2e4f7;
}
.action-create:hover {
    background: #0077b6;
    color: #fff;
}
.action-btn img {
    width: 20px;
    height: 20px;
    margin-right: 0.2em;
}
body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(120deg, #b2f7ef 0%, #a0c4ff 100%);
    margin: 0;
    color: #222;
}
header {
    background: #48cae4;
    color: #fff;
    padding: 1rem 0 0.5rem 0;
    text-align: center;
    box-shadow: 0 2px 8px rgba(235, 5, 5, 0.911);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}
main {
    margin-top: 120px;
}
footer {
    background: #90e0ef;
    color: #222;
    text-align: center;
    padding: 0.4rem 0 0.4rem 0;
    position: fixed;
    width: 100%;
    bottom: 0;
    box-shadow: 0 -2px 8px #b2f7ef33;
    font-size: 1.08em;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 48px;
}
.footer-info {
        display: flex;
        flex-direction: row;
        gap: 2.5em;
        justify-content: center;
        align-items: center;
        width: 100%;
        max-width: 900px;
        margin: 0 auto;
        font-weight: 500;
        letter-spacing: 0.2px;
        font-size: 1em;
        line-height: 1.2em;
}
@media (max-width: 700px) {
    .footer-info {
        flex-direction: column;
        gap: 0.2em;
        font-size: 0.98em;
    }
    footer {
        padding: 0.5em 0;
    }
}
main {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 80vh;
    padding: 2rem;
    animation: fadeIn 1s ease;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}