/*
 * JumblED shared theme. Loaded last in <head> on every page, so it sets the common palette,
 * type and focus styles that the per-page stylesheets build on. Page-specific layout stays in
 * each page's own stylesheet.
 */
:root {
    /* Brand teal and its tints/shades */
    --jb-teal: #649A9F;
    --jb-teal-dark: #08727C;
    --jb-teal-deep: #3D7A80;
    --jb-teal-tint: #EEF6F6;

    /* Neutrals */
    --jb-ink: #282828;
    --jb-muted: #6B6B6B;
    --jb-border: #DCDCDC;
    --jb-surface: #FFFFFF;
    --jb-surface-alt: #F7F7F7;

    --jb-radius: 8px;
    --jb-font: 'Montserrat', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

body {
    font-family: var(--jb-font);
    color: var(--jb-ink);
    -webkit-font-smoothing: antialiased;
}

/* Links that used the old light blue now match the brand teal */
a {
    color: var(--jb-teal-dark);
}

a:hover {
    color: var(--jb-teal-deep);
}

/*
 * Many stylesheets remove focus outlines (.btn:focus { outline: none }). Keep them off for mouse
 * clicks but show a clear ring for keyboard users.
 */
html .btn:focus-visible,
html a:focus-visible,
html [role="button"]:focus-visible,
html input:focus-visible,
html select:focus-visible,
html textarea:focus-visible {
    outline: 2px solid var(--jb-teal-dark);
    outline-offset: 2px;
    box-shadow: none;
}

/* Bootstrap Icons sit on the text baseline by default, which makes icon + label pairs look uneven */
.bi::before {
    vertical-align: -0.125em;
}

/*
 * Shared page components (Landing, My Question Banks), matching the My Classes layout:
 * light gray page, white bordered cards, uppercase section labels, solid and outline teal buttons.
 */
.jb-page {
    background: #F4F7F7;
    min-height: calc(100vh - 58px);
}

.jb-card {
    background: #FFFFFF;
    border: 1px solid #E3E8E8;
    border-radius: 12px;
}

.jb-page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
}

.jb-page-title {
    color: #1F2933;
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.25;
    margin: 0;
}

.jb-page-subtitle {
    color: #6B6B6B;
    font-size: .9rem;
    margin: .35rem 0 0;
}

.jb-section-label {
    color: #6B6B6B;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .06em;
    margin: 2rem 0 .75rem;
    text-transform: uppercase;
}

.jb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    background: #FFFFFF;
    border: 1.5px solid var(--jb-teal-dark);
    border-radius: 8px;
    color: var(--jb-teal-dark);
    cursor: pointer;
    font-size: .9rem;
    font-weight: 700;
    padding: .5rem 1rem;
    text-decoration: none;
    transition: background .12s, border-color .12s, color .12s;
}

.jb-btn:hover {
    background: var(--jb-teal-tint);
    color: var(--jb-teal-dark);
}

.jb-btn-primary {
    background: var(--jb-teal-dark);
    color: #FFFFFF;
}

.jb-btn-primary:hover {
    background: #06626B;
    border-color: #06626B;
    color: #FFFFFF;
}

@media (max-width: 767.98px) {
    .jb-page-header {
        padding: 1rem;
    }

    .jb-page-title {
        font-size: 1.3rem;
    }
}

/*
 * Navbar (views/partials/navbar.ejs and student-navbar.ejs). Selectors include the navbar's ids so
 * they outrank older inline #navbar-brand / #user-nav rules still in some page heads.
 */
.jb-navbar {
    background: #FFFFFF;
    border-bottom: 1px solid #E3E8E8;
    font-family: var(--jb-font);
    padding: .5rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.jb-navbar #navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    color: #1F2933;
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: -.01em;
    margin: 0 1.5rem 0 0;
    padding: .25rem 0;
    text-decoration: none;
}

.jb-navbar #logo {
    margin: 0;
}

.jb-navbar #bold {
    color: var(--jb-teal-dark);
}

/* No display here: Bootstrap hides the toggler at desktop widths (navbar-expand-lg) */
.jb-navbar .navbar-toggler {
    align-items: center;
    border: 1px solid #DCE3E3;
    border-radius: 8px;
    color: #1F2933;
    font-size: 1.5rem;
    justify-content: center;
    height: 2.5rem;
    margin: 0;
    padding: 0;
    width: 2.75rem;
}

.jb-navbar .navbar-toggler:focus {
    box-shadow: none;
}

.jb-navbar .navbar-collapse {
    align-items: center;
    gap: 1rem;
    justify-content: flex-end;
}

.jb-navbar .nav-links {
    align-items: center;
    gap: .25rem;
    margin: 0;
}

.jb-navbar .link {
    align-items: center;
    border-radius: 8px;
    color: #4E4E4E;
    display: inline-flex;
    font-size: .92rem;
    font-weight: 600;
    gap: .5rem;
    padding: .5rem .8rem;
    text-decoration: none;
    transition: background .12s, color .12s;
    white-space: nowrap;
}

.jb-navbar .link .bi {
    font-size: 1.05rem;
    line-height: 1;
}

.jb-navbar .link .bi::before {
    vertical-align: 0;
}

.jb-navbar .link:hover {
    background: var(--jb-teal-tint);
    color: var(--jb-teal-dark);
}

.jb-navbar .link.active {
    background: var(--jb-teal-tint);
    color: var(--jb-teal-dark);
}

.jb-navbar .nav-user {
    border: none;
    margin: 0;
}

.jb-navbar .user-button {
    align-items: center;
    background: #FFFFFF;
    border: 1px solid #E3E8E8;
    border-radius: 999px;
    color: #1F2933;
    display: inline-flex;
    gap: .55rem;
    padding: .25rem .75rem .25rem .25rem;
    transition: border-color .12s, background .12s;
}

.jb-navbar .user-button:hover,
.jb-navbar .user-button[aria-expanded="true"] {
    background: #FAFCFC;
    border-color: #CFDCDD;
}

.jb-navbar .user-avatar {
    align-items: center;
    background: var(--jb-teal-dark);
    border-radius: 50%;
    color: #FFFFFF;
    display: inline-flex;
    font-size: .75rem;
    font-weight: 700;
    height: 2rem;
    justify-content: center;
    letter-spacing: .02em;
    text-transform: uppercase;
    width: 2rem;
}

.jb-navbar #user-nav {
    color: #1F2933;
    font-size: .9rem;
    font-weight: 600;
    white-space: nowrap;
}

.jb-navbar .user-button .bi-chevron-down {
    color: #6B6B6B;
    font-size: .75rem;
}

.jb-navbar .dropdown-menu {
    border: 1px solid #E3E8E8;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(31, 41, 51, .12);
    margin-top: .5rem;
    min-width: 15rem;
    padding: .4rem;
}

.jb-navbar .dropdown-header {
    color: #6B6B6B;
    font-size: .78rem;
    overflow: hidden;
    padding: .4rem .75rem .5rem;
    text-overflow: ellipsis;
}

.jb-navbar .dropdown-item {
    align-items: center;
    border-radius: 8px;
    color: #282828;
    display: flex;
    font-size: .9rem;
    gap: .6rem;
    padding: .5rem .75rem;
}

.jb-navbar .dropdown-item .bi {
    color: #6B6B6B;
    font-size: 1rem;
}

.jb-navbar .dropdown-item:hover {
    background: var(--jb-teal-tint);
    color: var(--jb-teal-dark);
}

.jb-navbar .dropdown-item:hover .bi {
    color: var(--jb-teal-dark);
}

.jb-navbar .dropdown-divider {
    margin: .35rem 0;
}

.jb-navbar .sign-out,
.jb-navbar .sign-out .bi {
    color: #B3261E;
}

.jb-navbar .sign-out:hover,
.jb-navbar .sign-out:hover .bi {
    background: #FBE9E7;
    color: #B3261E;
}

.jb-navbar .nav-actions {
    display: flex;
    gap: .5rem;
}

/* Phones and tablets: collapsed menu as a stacked list with the account section last */
@media (max-width: 991.98px) {
    .jb-navbar {
        flex-wrap: wrap;
        padding: .5rem 1rem;
    }

    .jb-navbar .navbar-toggler {
        display: inline-flex;
    }

    .jb-navbar .navbar-collapse {
        align-items: stretch;
        flex-direction: column;
        gap: .5rem;
        padding: .75rem 0 .25rem;
    }

    .jb-navbar .nav-links {
        align-items: stretch;
        gap: .15rem;
    }

    .jb-navbar .link {
        padding: .7rem .75rem;
        width: 100%;
    }

    .jb-navbar .nav-user {
        border-top: 1px solid #E3E8E8;
        padding-top: .5rem;
    }

    .jb-navbar .user-button {
        border: none;
        border-radius: 8px;
        padding: .4rem .5rem;
        width: 100%;
    }

    .jb-navbar .user-button .bi-chevron-down {
        margin-left: auto;
    }

    .jb-navbar .dropdown-menu {
        border: none;
        box-shadow: none;
        margin-top: 0;
        position: static !important;
        transform: none !important;
    }

    .jb-navbar .nav-actions .jb-btn {
        flex: 1;
    }
}

/* Tables never force the page to scroll sideways on phones */
@media (max-width: 767.98px) {
    .table-responsive-sm,
    .dataTables_wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}
