*,
*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    max-width: 100%;
    overflow-x: hidden;
}

img,
svg,
video,
canvas,
iframe {
    max-width: 100%;
}

img,
video {
    height: auto;
}

table {
    max-width: 100%;
}

input,
select,
textarea,
button {
    max-width: 100%;
}

.table-responsive,
.responsive-table,
.panel-body:has(table),
.card-body:has(table),
.content:has(table) {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 900px) {
    .container,
    .content,
    .main-content,
    .page-content,
    .admin-container,
    .admin-content,
    .dashboard-container,
    .noticias-container,
    .biblioteca-container,
    .vestibular-container {
        width: 100%;
        max-width: 100%;
        padding-left: 16px;
        padding-right: 16px;
    }

    .grid,
    .cards-grid,
    .stats-grid,
    .stats-row,
    .panels-grid,
    .dashboard-grid,
    .quick-grid,
    .form-row,
    .noticias-container {
        grid-template-columns: 1fr !important;
    }

    .header-content,
    .nav-content,
    .topbar,
    .admin-header,
    .page-header,
    .panel-head,
    .card-header {
        flex-wrap: wrap;
    }

    .nav-list,
    .nav-links,
    nav ul {
        flex-wrap: wrap;
        gap: 10px;
    }

    .btn,
    button,
    input[type="submit"] {
        min-height: 40px;
    }

    table.t,
    table {
        min-width: 640px;
    }
}

@media (max-width: 640px) {
    body {
        font-size: 14px;
    }

    h1 {
        font-size: clamp(1.55rem, 8vw, 2.15rem) !important;
        line-height: 1.12;
    }

    h2 {
        font-size: clamp(1.25rem, 6vw, 1.75rem) !important;
        line-height: 1.18;
    }

    .panel,
    .card,
    .stat-box,
    .login-card {
        border-radius: 12px;
    }

    .panel-body,
    .card-body {
        padding: 14px;
    }

    .btn,
    .btn-primary,
    .btn-outline,
    .btn-danger {
        white-space: normal;
    }

    .form-row {
        display: grid;
        grid-template-columns: 1fr !important;
        gap: 12px;
    }

    input,
    select,
    textarea {
        font-size: 16px !important;
    }
}

@media (max-width: 420px) {
    .container,
    .content,
    .main-content,
    .page-content,
    .admin-container,
    .admin-content,
    .dashboard-container {
        padding-left: 12px;
        padding-right: 12px;
    }

    .stats-row,
    .stats-grid,
    .cards-grid,
    .panels-grid {
        gap: 12px;
    }
}