/* =========================================================
   MATHSIGHT ENGAGEMENT PAGES — EXTRA CATEGORIES + DISCOVERY + ARCADE
========================================================= */

/* Daily Quiz: comfortable grid for the expanded category catalogue */
.quiz-category-description {
    max-width: 760px;
    margin: 0 auto 18px;
    color: rgba(230, 222, 255, .72);
    text-align: center;
    line-height: 1.7;
}
.quiz-category-description strong { color: #d8c1ff; }
.quiz-category-switcher-buttons {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
    gap: 12px !important;
    align-items: stretch;
}
.quiz-category-switcher button {
    min-height: 60px;
    padding: 13px 14px !important;
    border: 1px solid rgba(180, 130, 255, .28) !important;
    border-radius: 15px !important;
    background: rgba(24, 17, 49, .78) !important;
    color: #eee8ff !important;
    font-weight: 700;
    line-height: 1.35;
    white-space: normal;
    transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.quiz-category-switcher button:hover,
.quiz-category-switcher button:focus-visible {
    transform: translateY(-2px);
    border-color: rgba(196, 155, 255, .9) !important;
    box-shadow: 0 10px 28px rgba(127, 74, 255, .2);
    outline: none;
}
.quiz-category-switcher button.active {
    color: #fff !important;
    border-color: rgba(205, 172, 255, .98) !important;
    background: linear-gradient(135deg, rgba(123, 72, 220, .78), rgba(73, 42, 138, .86)) !important;
    box-shadow: 0 0 0 2px rgba(178, 132, 255, .12), 0 12px 28px rgba(104, 57, 199, .25);
}

/* Fun Fact: stack the daily spotlight and library vertically */
.fact-section {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
}
.fact-section > div:first-child { width: 100%; }
.fact-section > .discovery-library { align-self: center; }

/* Fun Fact: scrollable discovery library */
.discovery-library {
    width: min(1240px, calc(100% - 36px));
    margin: 30px auto 80px;
    padding: clamp(24px, 4vw, 52px);
    border: 1px solid rgba(170, 128, 255, .18);
    border-radius: 30px;
    background: linear-gradient(145deg, rgba(19, 15, 44, .88), rgba(11, 14, 35, .84));
    box-shadow: 0 24px 70px rgba(0, 0, 0, .22);
}
.discovery-library-header { max-width: 800px; margin: 0 auto 28px; }
.discovery-library-header h2 { margin-bottom: 12px; }
.discovery-filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 25px; }
.discovery-filter {
    padding: 10px 15px;
    border: 1px solid rgba(181, 145, 255, .25);
    border-radius: 999px;
    color: #e7ddff;
    background: rgba(255,255,255,.045);
    font: inherit;
    font-size: .9rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.discovery-filter:hover, .discovery-filter.active { background: rgba(128, 81, 223, .26); border-color: rgba(195, 160, 255, .78); transform: translateY(-1px); }
.discovery-fact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.discovery-fact-card {
    min-width: 0;
    padding: 22px;
    border: 1px solid rgba(173, 141, 246, .17);
    border-radius: 20px;
    background: linear-gradient(145deg, rgba(37, 27, 71, .78), rgba(18, 21, 47, .8));
    animation: discovery-fact-enter .35s ease both;
    animation-delay: var(--fact-delay, 0ms);
}
@keyframes discovery-fact-enter { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.discovery-fact-topline { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 15px; }
.discovery-fact-icon { display: inline-grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; background: rgba(157, 112, 255, .14); font-size: 1.6rem; }
.discovery-fact-category { padding: 6px 9px; border-radius: 999px; color: #d7c4ff; background: rgba(163, 123, 255, .1); font-size: .72rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.discovery-fact-card h3 { margin: 0 0 10px; color: #fff; font-size: 1.08rem; line-height: 1.4; }
.discovery-fact-card > p { margin: 0 0 15px; color: rgba(240, 235, 255, .78); font-size: .92rem; line-height: 1.7; }
.discovery-fact-highlight { padding: 12px 13px; border-left: 3px solid #a984ff; border-radius: 0 10px 10px 0; color: #f4edff; background: rgba(139, 92, 246, .1); font-weight: 750; font-size: .88rem; line-height: 1.5; overflow-wrap: anywhere; }
.discovery-fact-details { margin-top: 14px; color: rgba(231, 223, 255, .78); font-size: .86rem; line-height: 1.65; }
.discovery-fact-details summary { color: #cdb6ff; cursor: pointer; font-weight: 700; }
.discovery-fact-details p { margin: 8px 0 0; }
.discovery-load-more-wrap { display: grid; justify-items: center; gap: 10px; margin-top: 28px; }
.discovery-load-more-wrap .btn { min-width: 210px; }
.discovery-library-note { margin: 0; color: rgba(227, 219, 255, .62); font-size: .85rem; text-align: center; }

/* Mini-game: selectable game modes and motivating feedback */
.mini-game-mode-section { width: min(1050px, calc(100% - 32px)); margin: 0 auto 24px; }
.mini-game-mode-heading { margin: 0 0 16px; text-align: center; }
.mini-game-mode-heading h3 { margin: 8px 0; color: #fff; font-size: clamp(1.35rem, 3vw, 1.8rem); }
.mini-game-mode-heading p { max-width: 680px; margin: 0 auto; color: rgba(231, 223, 255, .7); line-height: 1.6; }
.mini-game-mode-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.mini-game-mode {
    display: flex; min-width: 0; flex-direction: column; align-items: flex-start; gap: 7px;
    padding: 17px; text-align: left; border: 1px solid rgba(171, 134, 255, .24); border-radius: 17px;
    color: #eee8ff; background: rgba(25, 18, 51, .78); cursor: pointer;
    transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.mini-game-mode > span { font-size: 1.6rem; }
.mini-game-mode strong { color: #fff; font-size: .92rem; line-height: 1.4; }
.mini-game-mode small { color: rgba(229, 220, 255, .65); font-size: .78rem; line-height: 1.4; }
.mini-game-mode:hover:not(:disabled), .mini-game-mode.active { transform: translateY(-2px); border-color: rgba(196, 160, 255, .85); background: linear-gradient(145deg, rgba(96, 57, 166, .68), rgba(31, 24, 66, .9)); box-shadow: 0 12px 24px rgba(74, 40, 140, .17); }
.mini-game-mode:disabled { opacity: .56; cursor: not-allowed; }
.upgraded-mini-game-card { position: relative; overflow: hidden; }
.game-top { display: grid !important; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; align-items: center; }
.game-top > div { padding: 10px 12px; border: 1px solid rgba(176, 140, 255, .17); border-radius: 12px; background: rgba(255,255,255,.035); text-align: center; }
.game-mode-badge { width: fit-content; margin: 16px auto 4px; padding: 8px 13px; border: 1px solid rgba(193, 157, 255, .35); border-radius: 999px; color: #e7d7ff; background: rgba(125, 78, 220, .14); font-weight: 800; font-size: .85rem; }
.upgraded-mini-game-card .game-question { min-height: 105px; display: grid; place-items: center; padding: 20px 12px; font-size: clamp(1.8rem, 4vw, 2.8rem); text-align: center; overflow-wrap: anywhere; }
.upgraded-mini-game-card .game-input-area { display: flex; flex-wrap: wrap; gap: 10px; }
.upgraded-mini-game-card .game-input { flex: 1 1 220px; min-width: 0; }
.upgraded-mini-game-card .game-message { min-height: 48px; line-height: 1.6; }
.game-streak span { color: #ffcf77; font-weight: 900; }
.game-best span { color: #c8a8ff; font-weight: 900; }
.game-timer.timer-warning { color: #ff7e9e !important; animation: timer-pulse .75s infinite alternate; }
@keyframes timer-pulse { to { opacity: .65; transform: scale(1.04); } }
.mini-game-progress { margin: 14px 0 18px; color: rgba(231, 223, 255, .75); font-size: .82rem; font-weight: 800; }
.mini-game-progress-track { height: 7px; overflow: hidden; margin-top: 8px; border-radius: 999px; background: rgba(255,255,255,.09); }
.mini-game-progress-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #7c4dff, #da8bff); transition: width .2s ease; }
.mini-game-tip { margin-top: 14px; color: rgba(221, 213, 246, .6); font-size: .8rem; line-height: 1.5; text-align: center; }

@media (max-width: 1000px) {
    .discovery-fact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .mini-game-mode-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 650px) {
    .quiz-category-switcher-buttons { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .quiz-category-switcher button { min-height: 58px; font-size: .82rem; }
    .discovery-library { width: calc(100% - 22px); padding: 20px 14px; border-radius: 22px; }
    .discovery-fact-grid { grid-template-columns: 1fr; }
    .discovery-fact-card { padding: 19px; }
    .discovery-filter-bar { gap: 7px; }
    .discovery-filter { padding: 9px 11px; font-size: .78rem; }
    .mini-game-mode-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
    .mini-game-mode { padding: 13px; }
    .game-top { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
}
@media (prefers-reduced-motion: reduce) {
    .discovery-fact-card { animation: none; }
    .game-timer.timer-warning { animation: none; }
    .quiz-category-switcher button, .mini-game-mode, .discovery-filter { transition: none; }
}