/* Shared responsive foundation for C Quiz Master. */
:root {
    --cqm-page-gutter: clamp(14px, 3vw, 32px);
    --cqm-touch-target: 44px;
}

html {
    width: 100%;
    min-height: 100%;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

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

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

img, video {
    height: auto;
}

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

button, .btn, [role="button"], input[type="submit"], input[type="button"] {
    min-height: var(--cqm-touch-target);
    touch-action: manipulation;
}

pre, code {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.container, .container-fluid, main, .main-content, .content, .content-area {
    min-width: 0;
}

.card, .quiz-card, .lesson-card, .stage-card, .stat-card, .modal-content {
    max-width: 100%;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    -webkit-overflow-scrolling: touch;
}

table {
    max-width: 100%;
}

.navbar, .nav, .navigation, .header-actions, .button-group, .action-buttons {
    flex-wrap: wrap;
}

@media (min-width: 1200px) {
    .container {
        width: min(100% - 48px, 1200px);
        max-width: 1200px;
        margin-inline: auto;
    }
}

@media (max-width: 991.98px) {
    .main-content, main.main-content {
        padding: 24px var(--cqm-page-gutter) !important;
    }

    .row {
        margin-right: 0;
        margin-left: 0;
    }

    .row > [class*="col-"] {
        min-width: 0;
    }
}

@media (max-width: 767.98px) {
    body {
        font-size: 15px;
    }

    h1 { font-size: clamp(1.6rem, 8vw, 2.15rem); }
    h2 { font-size: clamp(1.35rem, 6.5vw, 1.8rem); }
    h3 { font-size: clamp(1.15rem, 5.5vw, 1.5rem); }

    .container, .container-fluid {
        width: 100%;
        padding-right: var(--cqm-page-gutter) !important;
        padding-left: var(--cqm-page-gutter) !important;
    }

    .sidebar, nav.sidebar {
        position: relative !important;
        inset: auto !important;
        width: 100% !important;
        max-width: none !important;
        height: auto !important;
        min-height: auto !important;
        padding: 10px !important;
    }

    .sidebar .profile {
        padding: 8px 0 !important;
    }

    .sidebar .profile img {
        width: 58px !important;
        height: 58px !important;
    }

    .sidebar ul, .sidebar .nav {
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        gap: 6px;
        overflow-x: auto;
        padding: 4px 0 8px !important;
        scrollbar-width: thin;
    }

    .sidebar li, .sidebar .nav-item {
        flex: 0 0 auto;
    }

    .sidebar .nav-link {
        min-height: var(--cqm-touch-target);
        margin: 0 !important;
        padding: 11px 14px !important;
        border: 1px solid rgba(255,255,255,.12) !important;
        border-radius: 10px !important;
        white-space: nowrap;
    }

    .main-content, main.main-content, .content, .content-area {
        width: 100% !important;
        max-width: none !important;
        margin: 0 !important;
        padding: 20px var(--cqm-page-gutter) !important;
    }

    .card, .quiz-card, .lesson-card, .stage-card, .stat-card {
        margin-inline: 0;
        border-radius: 14px;
    }

    .card-body, .modal-body {
        padding: 16px !important;
    }

    .modal-dialog {
        width: auto !important;
        max-width: calc(100% - 24px) !important;
        margin: 12px auto !important;
    }

    form .row > [class*="col-"] {
        width: 100%;
        flex: 0 0 100%;
        max-width: 100%;
    }

    input:not([type="checkbox"]):not([type="radio"]), select, textarea {
        width: 100%;
        min-height: var(--cqm-touch-target);
        font-size: 16px !important;
    }

    textarea {
        min-height: 120px;
    }

    .btn, button, input[type="submit"], input[type="button"] {
        white-space: normal;
    }

    .btn-group, .button-group, .action-buttons, .header-actions {
        display: flex;
        width: 100%;
        gap: 8px;
    }

    .btn-group > *, .button-group > *, .action-buttons > *, .header-actions > * {
        flex: 1 1 auto;
    }

    table {
        display: block;
        width: max-content;
        min-width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    th, td {
        padding: 10px !important;
        white-space: normal;
        overflow-wrap: anywhere;
    }

    .quiz-container, .lesson-container, .dashboard-container {
        width: 100% !important;
        max-width: 100% !important;
        margin-inline: auto !important;
        padding-inline: var(--cqm-page-gutter) !important;
    }
}

@media (max-width: 479.98px) {
    :root { --cqm-page-gutter: 12px; }

    body { font-size: 14px; }

    .main-content, main.main-content, .content, .content-area {
        padding-top: 16px !important;
        padding-bottom: 16px !important;
    }

    .card-body, .modal-body {
        padding: 14px !important;
    }

}

@media (hover: none) {
    a:hover, button:hover, .btn:hover {
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}