/* ==========================================================================
   Public app chooser / install campaign.
   Self-contained: safe to load on the existing homepage alongside Bootstrap.
   ========================================================================== */

.pwa-chooser {
    --pc-brand: #231bd5;
    --pc-text: #15162a;
    --pc-muted: #5c6076;
    --pc-line: #e2e4ef;
    --pc-surface: #ffffff;
    --pc-radius: 16px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--pc-text);
    background: var(--pc-surface);
    border: 1px solid var(--pc-line);
    border-radius: var(--pc-radius);
    padding: 1.1rem;
    margin: 1.5rem 0;
    text-align: left;
    box-sizing: border-box;
}
.pwa-chooser *, .pwa-chooser *::before, .pwa-chooser *::after { box-sizing: border-box; }

.pwa-chooser__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: .8rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}
.pwa-chooser__eyebrow {
    display: inline-block;
    margin: 0 0 .35rem;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .11em;
    text-transform: uppercase;
    color: var(--pc-brand);
}
.pwa-chooser h2 {
    margin: 0 0 .3rem;
    font-size: 1.35rem;
    line-height: 1.25;
    color: var(--pc-text);
    font-weight: 700;
}
.pwa-chooser__lead {
    margin: 0;
    font-size: .92rem;
    line-height: 1.5;
    color: var(--pc-muted);
    max-width: 46rem;
}
.pwa-chooser__dismiss {
    flex: 0 0 auto;
    min-height: 40px;
    padding: .4rem .8rem;
    border: 1px solid var(--pc-line);
    border-radius: 999px;
    background: #fff;
    color: var(--pc-muted);
    font: inherit;
    font-size: .8rem;
    font-weight: 600;
    cursor: pointer;
}
.pwa-chooser__dismiss:hover { border-color: #b9bccd; color: var(--pc-text); }

.pwa-chooser__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: .8rem;
}
.pwa-chooser__card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: .55rem;
    border: 1px solid var(--pc-line);
    border-top: 4px solid var(--card-color, var(--pc-brand));
    border-radius: 14px;
    padding: .95rem;
    background: #fff;
    min-width: 0;
}
.pwa-chooser__card.is-suggested {
    box-shadow: 0 0 0 3px rgba(35, 27, 213, .1);
}
.pwa-chooser__card-top { display: flex; align-items: center; gap: .65rem; min-width: 0; }
.pwa-chooser__icon {
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: var(--card-soft, #eceafe);
    color: var(--card-color, var(--pc-brand));
}
.pwa-chooser__icon svg { width: 22px; height: 22px; }
.pwa-chooser__card h3 {
    margin: 0;
    font-size: 1rem;
    line-height: 1.3;
    color: var(--pc-text);
    font-weight: 700;
}
.pwa-chooser__badge {
    display: inline-block;
    margin-top: .2rem;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--card-color, var(--pc-brand));
}
.pwa-chooser__card p {
    margin: 0;
    font-size: .86rem;
    line-height: 1.45;
    color: var(--pc-muted);
    flex: 1 1 auto;
}
.pwa-chooser__actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .25rem; }
.pwa-chooser__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: .45rem .9rem;
    border-radius: 999px;
    border: 1px solid var(--card-color, var(--pc-brand));
    background: #fff;
    color: var(--card-color, var(--pc-brand));
    font: inherit;
    font-size: .84rem;
    font-weight: 700;
    text-decoration: none;
    line-height: 1.2;
}
.pwa-chooser__btn:hover { background: var(--card-soft, #eceafe); color: var(--card-color, var(--pc-brand)); }
.pwa-chooser__btn--primary {
    background: var(--card-color, var(--pc-brand));
    color: #fff;
}
.pwa-chooser__btn--primary:hover { background: var(--card-color, var(--pc-brand)); color: #fff; filter: brightness(.92); }
.pwa-chooser__btn:focus-visible, .pwa-chooser__dismiss:focus-visible, .pwa-chooser__already summary:focus-visible {
    outline: 3px solid #111;
    outline-offset: 2px;
}
.pwa-chooser__state {
    margin: 0;
    font-size: .76rem;
    font-weight: 700;
    color: #0f7b4f;
}
.pwa-chooser__state[data-tone="dismissed"] { color: var(--pc-muted); }

.pwa-chooser__already {
    margin-top: 1rem;
    border-top: 1px solid var(--pc-line);
    padding-top: .6rem;
    font-size: .86rem;
}
.pwa-chooser__already summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--pc-text);
    min-height: 44px;
    display: flex;
    align-items: center;
}
.pwa-chooser__already-note { color: var(--pc-muted); font-size: .8rem; margin: .2rem 0 .6rem; }
.pwa-chooser__already-list { display: grid; grid-template-columns: 1fr; gap: .3rem; }
.pwa-chooser__already-list label {
    display: flex;
    align-items: center;
    gap: .5rem;
    min-height: 40px;
    padding: .25rem .4rem;
    border-radius: 8px;
    cursor: pointer;
}
.pwa-chooser__already-list label:hover { background: #f6f7fb; }
.pwa-chooser__already-list input { width: 18px; height: 18px; accent-color: var(--pc-brand); }

.pwa-chooser[hidden] { display: none !important; }

@media (min-width: 640px) {
    .pwa-chooser { padding: 1.4rem; }
    .pwa-chooser__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
    .pwa-chooser__already-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
    .pwa-chooser * { transition: none !important; animation: none !important; }
}

/* ---------------------------------------------------------------------------
   Floating entry point to the app chooser.
   The chooser section can sit thousands of pixels down a long marketing page,
   so this button keeps the four installable apps reachable from anywhere.
   --------------------------------------------------------------------------- */
.pwa-apps-fab {
    position: fixed;
    right: 1rem;
    bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    z-index: 9998;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    min-height: 48px;
    padding: .65rem 1rem;
    border-radius: 999px;
    background: var(--pc-brand, #231bd5);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: .92rem;
    line-height: 1;
    box-shadow: 0 10px 26px rgba(18, 16, 80, .28);
    transition: transform .15s ease, box-shadow .15s ease;
}
.pwa-apps-fab:hover { transform: translateY(-1px); box-shadow: 0 14px 30px rgba(18, 16, 80, .34); color: #fff; }
.pwa-apps-fab:focus-visible { outline: 3px solid #ffd166; outline-offset: 2px; }
.pwa-apps-fab__icon { display: inline-flex; }
.pwa-apps-fab__icon svg { width: 20px; height: 20px; }
.pwa-apps-fab__label { white-space: nowrap; }

@media (min-width: 640px) {
    .pwa-apps-fab { right: 1.5rem; bottom: 1.5rem; padding: .8rem 1.25rem; font-size: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
    .pwa-apps-fab { transition: none !important; }
}

/* ---------------------------------------------------------------------------
   Notification popup: "your school apps are ready".
   A welcome message, not the install campaign: hiding it never counts as an
   installation, it never blocks the page and it leaves the floating button
   behind so the apps stay reachable.
   --------------------------------------------------------------------------- */
.pwa-apps-promo {
    position: fixed;
    right: 1rem;
    bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    z-index: 9999;
    width: min(360px, calc(100vw - 2rem));
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .9rem;
    padding: 1rem 1rem 1rem .95rem;
    border-radius: 22px;
    background: linear-gradient(180deg, #ffffff 0%, #f7f7ff 100%);
    border: 1px solid rgba(35, 27, 213, .10);
    box-shadow: 0 18px 48px rgba(18, 16, 80, .22), 0 2px 6px rgba(18, 16, 80, .10);
    color: #17163c;
    overflow: hidden;
    transform-origin: bottom right;
    animation: pwa-promo-in .52s cubic-bezier(.22, 1, .36, 1) both;
}
.pwa-apps-promo[hidden] { display: none !important; }
.pwa-apps-promo.is-leaving {
    animation: pwa-promo-out .22s ease-in both;
}

/* Brand accent bar along the top edge of the card. */
.pwa-apps-promo::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #231bd5 0%, #6d28d9 45%, #db2777 78%, #f59e0b 100%);
    z-index: 2;
}

.pwa-apps-promo__close {
    position: absolute;
    top: .5rem;
    right: .5rem;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: 0;
    border-radius: 50%;
    background: rgba(23, 22, 60, .06);
    color: #4a4a72;
    cursor: pointer;
    transition: background .15s ease, transform .15s ease;
}
.pwa-apps-promo__close:hover { background: rgba(23, 22, 60, .12); transform: rotate(90deg); }
.pwa-apps-promo__close:focus-visible { outline: 3px solid #ffd166; outline-offset: 2px; }

.pwa-apps-promo__art {
    position: relative;
    z-index: 1;
    align-self: start;
    width: 54px;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 17px;
    background: linear-gradient(140deg, #231bd5 0%, #6d28d9 55%, #db2777 100%);
    color: #fff;
    box-shadow: 0 10px 22px rgba(109, 40, 217, .38);
    animation: pwa-promo-float 3.4s ease-in-out infinite;
}
.pwa-apps-promo__icon { display: inline-flex; }
.pwa-apps-promo__icon svg { width: 26px; height: 26px; }
.pwa-apps-promo__glow {
    position: absolute;
    inset: -10px;
    border-radius: 26px;
    background: radial-gradient(circle at 50% 30%, rgba(219, 39, 119, .30), rgba(35, 27, 213, 0) 72%);
    filter: blur(8px);
    z-index: -1;
}
.pwa-apps-promo__badge {
    position: absolute;
    top: -7px;
    right: -7px;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: 999px;
    background: #f59e0b;
    color: #23180a;
    font-size: .72rem;
    font-weight: 800;
    line-height: 22px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(245, 158, 11, .45);
    animation: pwa-promo-pulse 2.6s ease-in-out infinite;
}

.pwa-apps-promo__body { position: relative; z-index: 1; min-width: 0; }
.pwa-apps-promo__eyebrow {
    margin: 0 0 .1rem;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: #db2777;
}
.pwa-apps-promo__title {
    margin: 0 0 .25rem;
    font-size: 1.02rem;
    font-weight: 700;
    line-height: 1.25;
    color: #17163c;
}
.pwa-apps-promo__text {
    margin: 0 0 .7rem;
    font-size: .82rem;
    line-height: 1.45;
    color: #55556f;
}
.pwa-apps-promo__actions { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.pwa-apps-promo__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: .45rem .95rem;
    border-radius: 999px;
    background: linear-gradient(120deg, #231bd5, #7c3aed);
    color: #fff;
    font-size: .84rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 8px 18px rgba(35, 27, 213, .32);
    transition: transform .15s ease, box-shadow .15s ease;
}
.pwa-apps-promo__cta:hover { transform: translateY(-1px); box-shadow: 0 12px 24px rgba(35, 27, 213, .4); color: #fff; }
.pwa-apps-promo__cta:focus-visible { outline: 3px solid #ffd166; outline-offset: 2px; }
.pwa-apps-promo__later {
    min-height: 40px;
    padding: .4rem .7rem;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: #4a4a72;
    font-size: .82rem;
    font-weight: 600;
    cursor: pointer;
}
.pwa-apps-promo__later:hover { color: #17163c; text-decoration: underline; }
.pwa-apps-promo__later:focus-visible { outline: 3px solid #ffd166; outline-offset: 2px; }

@keyframes pwa-promo-in {
    from { opacity: 0; transform: translateY(26px) scale(.94); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes pwa-promo-out {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to   { opacity: 0; transform: translateY(14px) scale(.96); }
}
@keyframes pwa-promo-float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-4px); }
}
@keyframes pwa-promo-pulse {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.12); }
}

@media (min-width: 640px) {
    .pwa-apps-promo { right: 1.5rem; bottom: 1.5rem; padding: 1.1rem 1.1rem 1.1rem 1.05rem; }
}

@media (max-width: 420px) {
    .pwa-apps-promo { grid-template-columns: 1fr; justify-items: start; }
    .pwa-apps-promo__art { width: 46px; height: 46px; border-radius: 14px; }
}

/* While the popup is on screen the small button would overlap it. */
body.pwa-promo-open .pwa-apps-fab { opacity: 0; pointer-events: none; }

@media (prefers-reduced-motion: reduce) {
    .pwa-apps-promo { animation: none !important; }
    .pwa-apps-promo__art { animation: none !important; }
    .pwa-apps-promo__badge { animation: none !important; }
    .pwa-apps-promo__cta,
    .pwa-apps-promo__close { transition: none !important; }
    .pwa-apps-promo.is-leaving { animation: none !important; }
}