/* ========================================
   Halaman Pembuka DUMADI - dua slide berdampingan:
     slide 1 = pembuka (logo, judul, tombol Mulai)
     slide 2 = menu permainan (kartu semua permainan + Bank Soal)
   Pindah slide diatur js/dumadi-splash.js lewat atribut data-slide pada #dmSlides.
   ======================================== */

html, body {
    height: 100%;
    overflow: hidden;
}

.dm-slides {
    position: relative;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}

.dm-track {
    display: flex;
    width: 200%;
    height: 100%;
    transform: translateX(0);
    transition: transform 0.65s cubic-bezier(0.22, 0.8, 0.24, 1);
    will-change: transform;
}

.dm-slides[data-slide="1"] .dm-track { transform: translateX(-50%); }
.dm-slides.dm-no-anim .dm-track { transition: none; }

.dm-slide {
    flex: 0 0 50%;
    width: 50%;
    height: 100%;
    position: relative;
    display: flex;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    visibility: visible;
    transition: visibility 0s 0s;
}

/* Slide yang sedang tidak tampil: tidak bisa difokus/diklik lewat keyboard (disembunyikan setelah geseran selesai) */
.dm-slide[aria-hidden="true"] {
    visibility: hidden;
    transition: visibility 0s 0.65s;
}

.dm-slides.dm-no-anim .dm-slide[aria-hidden="true"] { transition: none; }

/* ---------- Slide 1: pembuka ---------- */

.dm-slide--intro {
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px 24px 64px;          /* ruang bawah untuk penanda slide */
}

/* Partikel mengambang - hiasan tambahan di belakang judul */
.dm-particle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.9), rgba(0, 217, 255, 0.15) 70%, transparent 75%);
    filter: blur(0.5px);
    opacity: 0;
    animation: dmParticleFloat linear infinite, dmParticleFadeIn 1.4s ease forwards;
}

.dm-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

@keyframes dmParticleFadeIn {
    to { opacity: var(--dm-p-opacity, 0.6); }
}

@keyframes dmParticleFloat {
    0%   { transform: translate(0, 0); }
    25%  { transform: translate(var(--dm-p-dx, 30px), calc(var(--dm-p-dy, -40px) * 0.4)); }
    50%  { transform: translate(calc(var(--dm-p-dx, 30px) * 0.3), var(--dm-p-dy, -40px)); }
    75%  { transform: translate(calc(var(--dm-p-dx, 30px) * -0.6), calc(var(--dm-p-dy, -40px) * 0.5)); }
    100% { transform: translate(0, 0); }
}

.dm-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: auto;            /* di tengah; kalau layar pendek, isi bisa digulir tanpa terpotong */
    padding-bottom: 28px;
}

/* Logo DUMADI: gambar vektor aslinya ditampilkan apa adanya (tanpa cincin, cahaya, bayangan, atau animasi)
   supaya tetap tajam di layar sebesar apa pun. */
.dm-logo {
    width: 210px;
    margin-bottom: 18px;
}

.dm-logo-img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1040 / 772;
}

.dm-title {
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    font-size: clamp(52px, 12vw, 108px);
    letter-spacing: 10px;
    margin: 0 0 6px;
    background: linear-gradient(90deg, #ff006e, #8338ec, #00d9ff, #ff006e);
    background-size: 300% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: dmTitleShine 6s linear infinite, dmIntroRise 0.8s 0.1s cubic-bezier(0.2, 0.9, 0.3, 1.1) both;
    filter: drop-shadow(0 0 34px rgba(131, 56, 236, 0.45));
}

@keyframes dmTitleShine {
    to { background-position: 300% center; }
}

.dm-subtitle {
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: clamp(13px, 2.4vw, 18px);
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--text-secondary, #a8b0d4);
    margin: 0 0 42px;
    animation: dmIntroRise 0.8s 0.3s cubic-bezier(0.2, 0.9, 0.3, 1.1) both;
}

@keyframes dmIntroRise {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

.dm-start-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 17px 52px;
    border-radius: 999px;
    border: none;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    color: #fff;
    cursor: pointer;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 55%, var(--accent) 100%);
    box-shadow: 0 10px 40px rgba(255, 0, 110, 0.35), 0 0 0 rgba(0, 217, 255, 0.5);
    animation: dmIntroRise 0.8s 0.5s cubic-bezier(0.2, 0.9, 0.3, 1.1) both, dmBtnPulse 2.4s 1.3s ease-in-out infinite;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.dm-start-btn:hover {
    transform: translateY(-3px) scale(1.045);
    box-shadow: 0 14px 50px rgba(255, 0, 110, 0.5), 0 0 30px rgba(0, 217, 255, 0.55);
}

.dm-start-btn:active { transform: translateY(-1px) scale(0.98); }

.dm-start-btn:focus-visible,
.dm-back-btn:focus-visible,
.dm-card:focus-visible,
.dm-bank:focus-visible,
.dm-dot:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
}

@keyframes dmBtnPulse {
    0%, 100% { box-shadow: 0 10px 40px rgba(255, 0, 110, 0.35), 0 0 0 rgba(0, 217, 255, 0.4); }
    50%      { box-shadow: 0 10px 40px rgba(255, 0, 110, 0.35), 0 0 26px rgba(0, 217, 255, 0.55); }
}

.dm-hint {
    margin-top: 20px;
    max-width: 560px;
    line-height: 1.8;
    font-size: 12.5px;
    letter-spacing: 1px;
    color: var(--text-muted, #6b7494);
    animation: dmIntroRise 0.8s 0.7s cubic-bezier(0.2, 0.9, 0.3, 1.1) both;
}

.dm-hint b { color: var(--text-secondary, #a8b0d4); font-weight: 700; }

/* ---------- Slide 2: menu permainan ---------- */

.dm-slide--menu {
    justify-content: center;
    align-items: flex-start;
}

.dm-menu-wrap {
    width: min(1180px, 100%);
    margin: auto;                      /* di tengah layar; kalau isinya lebih tinggi dari layar, mulai dari atas & bisa digulir */
    padding: 28px 24px 96px;          /* ruang bawah: penanda slide & tombol musik tidak menutupi kartu terakhir */
}

.dm-menu-head {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 24px;
}

.dm-back-btn {
    flex: 0 0 auto;
    padding: 10px 18px;
    border-radius: 12px;
    border: 1px solid var(--border-light, #3a4566);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary, #fff);
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-fast, all 0.2s ease);
}

.dm-back-btn:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--accent); }

.dm-menu-titles { min-width: 0; }

.dm-menu-title {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    font-size: clamp(24px, 3.4vw, 34px);
    line-height: 1.15;
    background: linear-gradient(90deg, #ff4d94, #b388ff, #00d9ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.dm-menu-sub {
    margin: 4px 0 0;
    font-size: 13.5px;
    color: var(--text-secondary, #a8b0d4);
}

/* ---------- Kartu permainan ---------- */

.dm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}

.dm-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    min-height: 196px;
    padding: 20px 20px 18px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(18, 14, 40, 0.66);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    color: var(--text-primary, #fff);
    text-decoration: none;
    text-align: left;
    overflow: hidden;
    transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

/* garis warna tipis di tepi atas kartu, warna khas tiap permainan */
.dm-card::before {
    content: '';
    position: absolute;
    left: 0; right: 0; top: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--c), var(--c2));
}

.dm-card:hover,
.dm-card:focus-visible {
    transform: translateY(-5px);
    border-color: var(--c);
    background: rgba(26, 20, 56, 0.82);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45), 0 0 26px -6px var(--c);
}

.dm-card:active { transform: translateY(-2px) scale(0.99); }

.dm-card-key {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font: 700 12px 'Poppins', sans-serif;
    color: var(--text-muted, #6b7494);
}

.dm-card-ico {
    position: relative;
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    border: 1.5px solid var(--c);
    font-size: 30px;
    line-height: 1;
    isolation: isolate;
}

.dm-card-ico::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--c), var(--c2));
    opacity: 0.26;
}

.dm-card-name {
    margin-top: 4px;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 19px;
    line-height: 1.2;
}

.dm-card-desc {
    flex: 1 1 auto;
    font-size: 13px;
    line-height: 1.55;
    color: var(--text-secondary, #a8b0d4);
}

.dm-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 2px;
}

.dm-card-tags i {
    padding: 2px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    font: 600 11px 'Poppins', sans-serif;
    font-style: normal;
    color: var(--text-secondary, #a8b0d4);
}

/* ---------- Bank Soal (tempat guru menyiapkan soal) ---------- */

.dm-bank {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 18px;
    padding: 16px 20px;
    border-radius: 18px;
    border: 1px dashed rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary, #fff);
    text-decoration: none;
    transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.dm-bank:hover,
.dm-bank:focus-visible {
    transform: translateY(-3px);
    border-color: var(--accent);
    background: rgba(0, 217, 255, 0.07);
}

.dm-bank-ico { flex: 0 0 auto; font-size: 32px; line-height: 1; }
.dm-bank-text { flex: 1 1 auto; min-width: 0; display: grid; gap: 2px; }
.dm-bank-name { font: 700 17px 'Poppins', sans-serif; }
.dm-bank-desc { font-size: 13px; line-height: 1.5; color: var(--text-secondary, #a8b0d4); }
.dm-bank-go { flex: 0 0 auto; font: 700 13.5px 'Poppins', sans-serif; color: var(--accent); }

/* ---------- Penanda slide ---------- */

.dm-dots {
    position: absolute;
    left: 50%;
    bottom: 22px;
    transform: translateX(-50%);
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 1px 8px;
    border-radius: 999px;
    background: rgba(10, 8, 28, 0.6);   /* alas gelap supaya penanda tetap terbaca di atas kartu yang digulir */
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}

.dm-dot {
    width: 26px;
    height: 26px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: grid;
    place-items: center;
    padding: 0;
}

.dm-dot::before {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.35);
    transition: width 0.3s ease, background 0.3s ease;
}

.dm-dot:hover::before { background: rgba(255, 255, 255, 0.65); }

.dm-dot.active::before {
    width: 26px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}

/* ---------- Layar sempit ---------- */

@media (max-width: 640px) {
    .dm-title { letter-spacing: 6px; }
    .dm-subtitle { letter-spacing: 2.5px; }
    .dm-logo { width: 164px; }
    .dm-start-btn { padding: 15px 40px; font-size: 14px; }

    .dm-menu-wrap { padding: 18px 14px 92px; }
    .dm-menu-head { gap: 12px; margin-bottom: 18px; }
    .dm-back-btn { padding: 9px 14px; font-size: 13px; }
    .dm-keyhint { display: none; }

    .dm-grid { grid-template-columns: 1fr; gap: 12px; }

    /* kartu jadi baris: ikon di kiri, teks di kanan */
    .dm-card {
        display: grid;
        grid-template-columns: 54px 1fr;
        column-gap: 14px;
        row-gap: 2px;
        align-items: start;
        min-height: 0;
        padding: 16px 16px 14px;
    }
    .dm-card-ico { grid-row: 1 / span 3; width: 54px; height: 54px; font-size: 28px; }
    .dm-card-name { margin-top: 0; font-size: 17px; padding-right: 26px; }
    .dm-card-desc { font-size: 12.5px; }
    .dm-card-key { display: none; }

    .dm-bank { padding: 14px 16px; gap: 12px; }
    .dm-bank-go { display: none; }
}

/* Layar tinggi pendek (HP mendatar): logo lebih kecil supaya muat */
@media (max-height: 560px) {
    .dm-logo { width: 110px; margin-bottom: 8px; }
    .dm-title { font-size: clamp(36px, 8vw, 64px); }
    .dm-subtitle { margin-bottom: 20px; }
}

@media (prefers-reduced-motion: reduce) {
    .dm-track, .dm-slide, .dm-dot::before { transition: none !important; }
    .dm-title, .dm-subtitle, .dm-start-btn, .dm-hint, .dm-particle { animation: none !important; }
}

/* ---------- Tanpa JavaScript: dua slide ditumpuk ke bawah dan halaman bisa digulir biasa ---------- */

html:not(.js),
html:not(.js) body { height: auto; overflow: auto; }

html:not(.js) .dm-slides { height: auto; overflow: visible; }
html:not(.js) .dm-track { display: block; width: 100%; transform: none; }
html:not(.js) .dm-slide { width: 100%; min-height: 100vh; height: auto; }
html:not(.js) .dm-slide[aria-hidden="true"] { visibility: visible; }
html:not(.js) .dm-dots,
html:not(.js) .dm-back-btn { display: none; }