/*
 * ts-layout.css
 * Global page layout styles for the LMS Test System
 * Corporate / Minimal Edition
 */

/* ==================== PAGE LAYOUT ==================== */

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-page);
    font-family: var(--font-family-base);
    color: var(--color-text-primary);
    line-height: 1.5;
}

main {
    flex: 1;
}

/* ==================== NAVBAR ==================== */

.navbar-brand {
    font-weight: var(--font-weight-semibold);
    font-size: 1.375rem;
    letter-spacing: var(--letter-spacing-tight);
}

.navbar-brand i {
    color: var(--color-primary);
}

@media (max-width: 991.98px) {
    main.py-4 {
        padding-top: 0.75rem !important;
        padding-bottom: 1.25rem !important;
    }

    body > nav.navbar > .container {
        align-items: flex-start;
    }

    body > nav.navbar .navbar-brand {
        display: inline-flex;
        align-items: center;
        min-height: 40px;
    }

    body > nav.navbar .navbar-toggler {
        min-width: 52px;
        min-height: 40px;
    }

    body > nav.navbar .navbar-collapse {
        width: 100%;
        padding-top: 0.625rem;
    }

    body > nav.navbar .navbar-collapse .navbar-nav {
        width: 100%;
        align-items: stretch !important;
        gap: 0.125rem;
    }

    body > nav.navbar .navbar-collapse .navbar-nav + .navbar-nav {
        margin-top: 0.5rem;
        padding-top: 0.5rem;
        border-top: 1px solid var(--color-border);
    }

    body > nav.navbar .navbar-collapse .navbar-nav .nav-item {
        width: 100%;
        margin-right: 0 !important;
    }

    body > nav.navbar .navbar-collapse .navbar-nav .nav-link {
        display: flex;
        width: 100%;
        min-height: 40px;
        align-items: center;
        justify-content: flex-start;
        padding: 0.48rem 0.6rem;
        border-radius: var(--radius-input);
    }

    body > nav.navbar .navbar-collapse .navbar-nav .nav-link.active {
        background: color-mix(in srgb, var(--color-primary-light) 62%, #ffffff);
        color: var(--color-primary-text);
    }

    body > nav.navbar .navbar-collapse .navbar-nav .dropdown-toggle {
        justify-content: flex-start;
    }

    body > nav.navbar .navbar-collapse .navbar-nav .dropdown-menu {
        position: static !important;
        inset: auto !important;
        top: auto !important;
        right: auto !important;
        left: auto !important;
        transform: none !important;
        width: 100% !important;
        max-width: 100% !important;
        margin: 0.25rem 0 0.5rem !important;
        border-radius: var(--radius-card);
        box-shadow: none;
    }

    body > nav.navbar .navbar-collapse .navbar-nav .dropdown-item {
        display: flex;
        min-height: 38px;
        align-items: center;
        white-space: normal;
    }

    body > nav.navbar #notifications-bell::after {
        content: attr(aria-label);
        margin-left: 0.5rem;
        font-size: var(--font-size-base);
    }

    body > nav.navbar #notifications-bell .bi {
        font-size: 1rem !important;
    }

    body > nav.navbar #notifications-badge {
        width: auto !important;
        min-width: 20px;
        max-width: 2rem;
        height: 20px;
        padding: 0 6px;
        flex: 0 0 auto;
        align-items: center;
        justify-content: center;
        line-height: 1;
        top: 0.35rem !important;
        right: auto !important;
        left: 1.45rem !important;
        transform: translate(-25%, -50%) !important;
    }

    body > nav.navbar .ts-btn.ms-2 {
        width: 100%;
        margin-left: 0 !important;
        justify-content: center;
    }
}

/* ==================== FOOTER ==================== */

footer {
    background: var(--color-footer-bg);
    color: var(--color-footer-text);
    padding: 2.5rem 0;
    margin-top: 3rem;
    font-size: var(--font-size-sm);
}

footer a {
    color: var(--color-footer-text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

footer a:hover {
    color: var(--color-text-inverse);
}

/* ==================== BREADCRUMB ==================== */

.breadcrumb {
    background: var(--color-bg-card);
    padding: 0.875rem 1rem;
    border-radius: var(--radius-input);
    margin-bottom: 1.5rem;
    border: 1px solid var(--color-border);
    font-size: var(--font-size-base);
}

/* ==================== BOOTSTRAP CARD OVERRIDE ==================== */

.card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: box-shadow var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-card-hover);
}

/* ==================== BOOTSTRAP ALERT OVERRIDE ==================== */

.alert {
    border-radius: var(--radius-alert);
    border-width: 1px;
}

/* ==================== USER XP BADGE ==================== */

.user-xp {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-right: 1rem;
    background-color: var(--color-xp-light);
    color: var(--color-xp);
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
}

/* Runner-only mobile reader header: activated by runner-mobile-header.js. */
@media (max-width: 991.98px) {
    body.ts-runner-mobile-header .navbar {
        position: sticky;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1030;
        width: 100%;
        max-width: 100vw;
        background: var(--color-navbar-bg, #fff) !important;
        border-bottom: 1px solid var(--color-navbar-border, var(--color-border));
        box-shadow: var(--shadow-navbar);
        opacity: 1;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        will-change: transform;
        transition: transform 180ms ease;
    }

    body.ts-runner-mobile-header .navbar.ts-site-header--visible {
        transform: translateY(0);
    }

    body.ts-runner-mobile-header .navbar.ts-site-header--hidden {
        transform: translateY(calc(-100% - 2px));
    }
}

@media (max-width: 991.98px) and (prefers-reduced-motion: reduce) {
    body.ts-runner-mobile-header .navbar {
        transition: none;
    }
}