.tbmm-app, .tbmm-app * { box-sizing: border-box; }
.tbmm-app { --tbmm-red: #c62b20; --tbmm-blue: #1264ae; --tbmm-gold: #f5b400; --tbmm-cream: #fffaf0; --tbmm-ink: #2f211a; --tbmm-green: #4d9d31; width: 100%; max-width: 1180px; margin: 0 auto; color: var(--tbmm-ink); font-family: Arial, Helvetica, sans-serif; }
.tbmm-shell { position: relative; overflow: hidden; border: 4px solid var(--tbmm-red); border-radius: 26px; background: radial-gradient(circle at 50% 0%, #fff 0%, #fffaf0 62%, #f6ead1 100%); padding: clamp(12px, 2vw, 24px); box-shadow: 0 14px 36px rgba(70, 38, 12, .18); }
.tbmm-shell::before { content: ""; position: absolute; inset: 8px; border: 2px dashed rgba(18,100,174,.28); border-radius: 18px; pointer-events: none; }
.tbmm-screen { position: relative; z-index: 1; }
.tbmm-menu { display: grid; grid-template-columns: minmax(180px, 320px) 1fr; gap: clamp(18px, 4vw, 44px); align-items: center; min-height: 520px; padding: clamp(12px, 3vw, 34px); }
.tbmm-hero-card { width: min(100%, 285px); margin: auto; aspect-ratio: 5 / 7; border-radius: 19px; box-shadow: 0 12px 24px rgba(56,35,18,.23); overflow: hidden; transform: rotate(-2deg); }
.tbmm-hero-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tbmm-eyebrow { display: inline-block; color: var(--tbmm-blue); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; font-size: 13px; }
.tbmm-title { margin: 8px 0 8px; font-size: clamp(34px, 6vw, 68px); line-height: .95; color: var(--tbmm-red); text-shadow: 0 3px 0 #fff, 0 5px 0 rgba(18,100,174,.18); }
.tbmm-subtitle { font-size: clamp(16px, 2vw, 21px); max-width: 620px; margin: 0 0 24px; }
.tbmm-actions { display: grid; grid-template-columns: repeat(2, minmax(160px, 1fr)); gap: 12px; max-width: 650px; }
.tbmm-button { appearance: none; border: 0; border-radius: 16px; padding: 14px 18px; background: var(--tbmm-blue); color: #fff; font-size: 17px; font-weight: 800; cursor: pointer; box-shadow: 0 5px 0 #08477e; transition: transform .14s ease, box-shadow .14s ease, filter .14s ease; }
.tbmm-button:hover { filter: brightness(1.07); transform: translateY(-1px); }
.tbmm-button:active { transform: translateY(3px); box-shadow: 0 2px 0 #08477e; }
.tbmm-button:focus-visible { outline: 4px solid var(--tbmm-gold); outline-offset: 3px; }
.tbmm-button.is-red { background: var(--tbmm-red); box-shadow: 0 5px 0 #82180f; }
.tbmm-button.is-green { background: var(--tbmm-green); box-shadow: 0 5px 0 #2f651e; }
.tbmm-button.is-gold { background: var(--tbmm-gold); color: #3f2b00; box-shadow: 0 5px 0 #ad7600; }
.tbmm-button.is-small { font-size: 14px; padding: 9px 13px; border-radius: 12px; box-shadow: 0 3px 0 #08477e; }
.tbmm-button[disabled] { opacity: .5; cursor: not-allowed; transform: none; }
.tbmm-notice { margin-top: 18px; border-radius: 12px; padding: 12px 14px; background: #fff3cd; border: 1px solid #f2ce67; font-weight: 700; }
.tbmm-toolbar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px; margin-bottom: 12px; }
.tbmm-toolbar-side { display: flex; gap: 8px; align-items: stretch; }
.tbmm-toolbar-side:last-child { justify-content: flex-end; }
.tbmm-stat { min-width: 112px; padding: 8px 12px; border: 2px solid rgba(18,100,174,.22); background: rgba(255,255,255,.92); border-radius: 13px; text-align: center; }
.tbmm-stat-label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .07em; color: #5d514a; }
.tbmm-stat-value { display: block; font-size: 20px; font-weight: 900; color: var(--tbmm-blue); font-variant-numeric: tabular-nums; }
.tbmm-turn-banner { border-radius: 14px; padding: 9px 16px; background: var(--tbmm-gold); color: #3f2b00; font-weight: 900; text-align: center; min-width: 180px; }
.tbmm-board-wrap { position: relative; }
.tbmm-board { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: clamp(4px, .75vw, 9px); width: 100%; padding: clamp(6px, 1.2vw, 13px); border-radius: 20px; background: linear-gradient(135deg, rgba(18,100,174,.14), rgba(77,157,49,.14)); border: 3px solid rgba(18,100,174,.22); }
.tbmm-card { position: relative; display: block; width: 100%; aspect-ratio: 5 / 7; padding: 0; border: 0; background: transparent; perspective: 850px; cursor: pointer; }
.tbmm-card:focus-visible { outline: 4px solid var(--tbmm-gold); outline-offset: 2px; border-radius: 8px; }
.tbmm-card-inner { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform .34s cubic-bezier(.2,.75,.25,1), opacity .34s ease, scale .34s ease; }
.tbmm-card.is-flipped .tbmm-card-inner { transform: rotateY(180deg); }
.tbmm-card.is-matched .tbmm-card-inner { opacity: 0; scale: .25; }
.tbmm-card-face { position: absolute; inset: 0; overflow: hidden; border-radius: clamp(4px, .8vw, 10px); backface-visibility: hidden; background: #fff; box-shadow: 0 3px 8px rgba(50,30,14,.26); border: 1px solid rgba(91,55,28,.22); }
.tbmm-card-face img { width: 100%; height: 100%; object-fit: cover; display: block; pointer-events: none; user-select: none; }
.tbmm-card-front { transform: rotateY(180deg); }
.tbmm-placeholder { width: 100%; height: 100%; display: grid; place-items: center; text-align: center; padding: 8px; background: repeating-linear-gradient(45deg, #fff, #fff 12px, #eef6ff 12px, #eef6ff 24px); color: var(--tbmm-blue); font-weight: 900; }
.tbmm-card-slot { font-size: clamp(11px, 2vw, 22px); }
.tbmm-overlay { position: absolute; inset: 0; z-index: 10; display: grid; place-items: center; padding: 18px; background: rgba(38,24,16,.72); border-radius: 20px; }
.tbmm-dialog { width: min(100%, 620px); max-height: 90%; overflow: auto; background: #fff; border: 4px solid var(--tbmm-red); border-radius: 22px; padding: clamp(18px, 4vw, 34px); box-shadow: 0 18px 45px rgba(0,0,0,.35); }
.tbmm-dialog h2 { margin-top: 0; color: var(--tbmm-red); font-size: clamp(28px, 5vw, 44px); }
.tbmm-dialog-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.tbmm-instructions ol { padding-left: 22px; }
.tbmm-instructions li { margin-bottom: 10px; }
.tbmm-player-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.tbmm-player-fields label { font-weight: 800; }
.tbmm-player-fields input { width: 100%; margin-top: 6px; padding: 12px; border: 2px solid #b8c7d6; border-radius: 12px; font-size: 16px; }
.tbmm-results-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 16px; }
.tbmm-result-stat { border: 2px solid #dce6ef; border-radius: 13px; padding: 12px; text-align: center; }
.tbmm-result-stat strong { display: block; font-size: 24px; color: var(--tbmm-blue); }
.tbmm-confetti { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.tbmm-confetti span { position: absolute; top: -20px; width: 10px; height: 18px; background: var(--tbmm-gold); animation: tbmm-fall 1.4s ease-in forwards; }
@keyframes tbmm-fall { to { transform: translateY(620px) rotate(540deg); opacity: 0; } }
@media (max-width: 760px) {
    .tbmm-menu { grid-template-columns: 1fr; min-height: auto; text-align: center; }
    .tbmm-hero-card { width: min(52vw, 205px); }
    .tbmm-subtitle { margin-left: auto; margin-right: auto; }
    .tbmm-actions { grid-template-columns: 1fr; }
    .tbmm-toolbar { grid-template-columns: 1fr; }
    .tbmm-toolbar-side, .tbmm-toolbar-side:last-child { justify-content: center; flex-wrap: wrap; }
    .tbmm-turn-banner { order: -1; }
    .tbmm-board { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    .tbmm-stat { min-width: 92px; }
    .tbmm-stat-value { font-size: 17px; }
}
@media (max-width: 430px) {
    .tbmm-shell { border-width: 3px; border-radius: 18px; padding: 9px; }
    .tbmm-shell::before { inset: 5px; border-radius: 13px; }
    .tbmm-board { gap: 3px; padding: 5px; border-radius: 14px; }
    .tbmm-toolbar { margin-bottom: 7px; }
    .tbmm-stat { padding: 6px 8px; min-width: 82px; }
    .tbmm-button.is-small { padding: 8px 10px; }
    .tbmm-player-fields, .tbmm-results-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    .tbmm-card-inner, .tbmm-button, .tbmm-confetti span { transition: none !important; animation: none !important; }
}

/* Version 0.2.0 additions */
.tbmm-welcome-title { margin: 12px 0 7px; color: var(--tbmm-blue); font-size: clamp(20px, 3vw, 31px); line-height: 1.1; }
.tbmm-menu-note { max-width: 650px; margin: -10px 0 24px; color: #5d514a; font-size: 15px; font-weight: 700; }
.tbmm-actions { grid-template-columns: repeat(2, minmax(170px, 1fr)); }
.tbmm-actions .tbmm-button:nth-child(5) { grid-column: 1 / -1; }
.tbmm-challenge-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 20px 0 4px; }
.tbmm-button.tbmm-challenge-choice { display: flex; min-height: 180px; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 22px 18px; background: #fff; color: var(--tbmm-ink); border: 3px solid var(--tbmm-blue); box-shadow: 0 6px 0 #08477e; text-align: center; }
.tbmm-button.tbmm-challenge-choice:hover { background: #f2f8ff; }
.tbmm-challenge-title { color: var(--tbmm-red); font-size: 24px; line-height: 1.05; }
.tbmm-challenge-count { color: var(--tbmm-blue); font-size: 21px; font-weight: 900; }
.tbmm-challenge-description { max-width: 230px; font-size: 15px; font-weight: 700; line-height: 1.35; }
.tbmm-selected-challenge { border-radius: 12px; padding: 10px 12px; background: #eef6ff; border: 2px solid rgba(18,100,174,.24); color: var(--tbmm-blue); font-weight: 900; }
.tbmm-board.is-half { grid-template-columns: repeat(6, minmax(0, 1fr)); max-width: 880px; margin: 0 auto; }
.tbmm-board.is-full { grid-template-columns: repeat(8, minmax(0, 1fr)); }
.tbmm-board.is-loading { filter: saturate(.75); }
.tbmm-loading-message { position: absolute; inset: 0; z-index: 4; display: grid; place-items: center; border-radius: 20px; background: rgba(255,250,240,.83); color: var(--tbmm-blue); font-size: clamp(18px, 3vw, 28px); font-weight: 900; text-align: center; }
.tbmm-match-announcer { position: absolute; z-index: 5; left: 50%; top: 14px; transform: translate(-50%, -18px); opacity: 0; pointer-events: none; border: 3px solid #fff; border-radius: 999px; padding: 9px 18px; background: var(--tbmm-gold); color: #3f2b00; box-shadow: 0 8px 18px rgba(63,43,0,.24); font-weight: 900; white-space: nowrap; transition: opacity .18s ease, transform .18s ease; }
.tbmm-match-announcer.is-visible { opacity: 1; transform: translate(-50%, 0); }
.tbmm-results-message { margin: -4px 0 16px; font-size: 17px; font-weight: 700; line-height: 1.45; }
.tbmm-share-copy { border-radius: 14px; padding: 14px 16px; background: #fff8df; border: 2px solid #f2ce67; font-size: 17px; font-weight: 800; line-height: 1.45; }
.tbmm-share-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 16px; }
.tbmm-copy-status { min-height: 24px; margin: 12px 0 0; color: var(--tbmm-green); font-weight: 900; }

@media (max-width: 760px) {
    .tbmm-menu-note { margin-left: auto; margin-right: auto; }
    .tbmm-actions { grid-template-columns: 1fr; }
    .tbmm-actions .tbmm-button:nth-child(5) { grid-column: auto; }
    .tbmm-board.is-full { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    .tbmm-board.is-half { grid-template-columns: repeat(4, minmax(0, 1fr)); max-width: 620px; }
}

@media (max-width: 520px) {
    .tbmm-challenge-grid, .tbmm-share-actions { grid-template-columns: 1fr; }
    .tbmm-button.tbmm-challenge-choice { min-height: 135px; }
    .tbmm-match-announcer { max-width: calc(100% - 18px); white-space: normal; text-align: center; }
}


/* Version 0.4.0: dedicated mobile and touch layouts */
@media (hover: none) and (pointer: coarse) {
    .tbmm-button { min-height: 48px; }
    .tbmm-button.is-small { min-height: 44px; padding: 10px 12px; }
    .tbmm-card { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
}

@media (max-width: 760px) {
    .tbmm-app { width: 100%; }
    .tbmm-shell { padding: 10px; }
    .tbmm-menu { gap: 14px; padding: 10px; }
    .tbmm-menu-content { min-width: 0; }
    .tbmm-title { font-size: clamp(31px, 10vw, 48px); }
    .tbmm-welcome-title { font-size: clamp(21px, 6vw, 29px); }
    .tbmm-subtitle, .tbmm-menu-note { font-size: 15px; line-height: 1.45; }
    .tbmm-actions { width: 100%; max-width: none; }
    .tbmm-actions .tbmm-button { width: 100%; }

    .tbmm-game { min-width: 0; }
    .tbmm-toolbar { position: relative; gap: 7px; }
    .tbmm-turn-banner { width: 100%; min-width: 0; padding: 8px 10px; }
    .tbmm-toolbar-side { width: 100%; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .tbmm-toolbar-side:last-child { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .tbmm-toolbar-side:last-child .tbmm-button { width: 100%; min-width: 0; padding-inline: 5px; font-size: 12px; line-height: 1.15; }
    .tbmm-stat { width: 100%; min-width: 0; }
    .tbmm-stat-label { overflow-wrap: anywhere; }

    .tbmm-board-wrap { width: 100%; overflow: visible; }
    .tbmm-board { width: 100%; max-width: none; }
    .tbmm-board.is-half { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .tbmm-board.is-full { grid-template-columns: repeat(6, minmax(0, 1fr)); }

    .tbmm-overlay { position: fixed; inset: 0; z-index: 9999; align-items: end; padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left)); border-radius: 0; }
    .tbmm-dialog { width: 100%; max-height: min(88dvh, 760px); border-width: 3px; border-radius: 22px 22px 12px 12px; padding: 18px; overscroll-behavior: contain; }
    .tbmm-dialog h2 { font-size: clamp(27px, 8vw, 38px); }
    .tbmm-dialog-actions, .tbmm-share-actions { display: grid; grid-template-columns: 1fr; width: 100%; }
    .tbmm-dialog-actions .tbmm-button, .tbmm-share-actions .tbmm-button { width: 100%; }
    .tbmm-results-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 430px) {
    .tbmm-hero-card { width: min(44vw, 165px); }
    .tbmm-menu { padding: 6px; }
    .tbmm-title { margin-top: 5px; }
    .tbmm-subtitle { margin-bottom: 14px; }
    .tbmm-menu-note { margin-bottom: 16px; }
    .tbmm-toolbar-side:last-child { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .tbmm-toolbar-side:last-child .tbmm-stat { grid-column: span 1; }
    .tbmm-board.is-half, .tbmm-board.is-full { gap: 3px; padding: 4px; }
    .tbmm-card-face { border-radius: 5px; box-shadow: 0 2px 4px rgba(50,30,14,.22); }
    .tbmm-results-grid { grid-template-columns: 1fr; }
    .tbmm-result-stat { padding: 9px; }
    .tbmm-result-stat strong { font-size: 21px; }
}

/* Phone landscape: preserve the intended 8 x 6 full board whenever height is limited. */
@media (orientation: landscape) and (max-height: 620px) and (max-width: 980px) {
    .tbmm-shell { padding: 7px; }
    .tbmm-menu { grid-template-columns: minmax(120px, 180px) 1fr; min-height: auto; text-align: left; gap: 14px; padding: 6px; }
    .tbmm-hero-card { width: min(24vw, 160px); }
    .tbmm-subtitle, .tbmm-menu-note { margin-bottom: 10px; font-size: 13px; }
    .tbmm-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
    .tbmm-actions .tbmm-button:nth-child(5) { grid-column: 1 / -1; }
    .tbmm-button { min-height: 42px; padding: 9px 12px; font-size: 14px; }
    .tbmm-toolbar { grid-template-columns: 1fr auto 1fr; gap: 5px; margin-bottom: 5px; }
    .tbmm-toolbar-side { display: flex; width: auto; flex-wrap: nowrap; }
    .tbmm-toolbar-side:last-child { display: flex; width: auto; }
    .tbmm-toolbar-side:last-child .tbmm-button { width: auto; font-size: 11px; padding: 7px 8px; }
    .tbmm-turn-banner { width: auto; min-width: 130px; padding: 6px 8px; font-size: 13px; }
    .tbmm-stat { padding: 5px 7px; }
    .tbmm-stat-label { font-size: 9px; }
    .tbmm-stat-value { font-size: 14px; }
    .tbmm-board.is-full { grid-template-columns: repeat(8, minmax(0, 1fr)); }
    .tbmm-board.is-half { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    .tbmm-board { gap: 3px; padding: 4px; }
    .tbmm-overlay { align-items: center; }
    .tbmm-dialog { max-height: 94dvh; border-radius: 18px; }
}

/* Version 0.5.0: Kinder Challenge for ages 5–6 */
.tbmm-challenge-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tbmm-board.is-kindergarten {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    width: min(100%, 720px);
    margin: 0 auto;
    gap: clamp(9px, 1.25vw, 16px);
    padding: clamp(10px, 1.6vw, 18px);
}
.tbmm-board.is-kindergarten .tbmm-card-face { border-radius: clamp(8px, 1.2vw, 14px); }

@media (max-width: 760px) {
    .tbmm-challenge-grid { grid-template-columns: 1fr; }
    .tbmm-board.is-kindergarten {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        width: min(100%, 560px);
        gap: clamp(7px, 2vw, 12px);
        padding: clamp(8px, 2.4vw, 14px);
    }
}

@media (max-width: 430px) {
    .tbmm-board.is-kindergarten {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 6px;
        padding: 7px;
    }
}

@media (orientation: landscape) and (max-height: 620px) and (max-width: 980px) {
    .tbmm-board.is-kindergarten {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        width: min(78vw, 620px);
        gap: 5px;
        padding: 6px;
    }
}

/* Version 0.7.6: Adventure Club account/access integration */
.tbmm-club-bar {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 0 0 12px;
    padding: 9px 13px;
    border: 1px solid rgba(18,100,174,.2);
    border-radius: 13px;
    background: rgba(255,255,255,.88);
    color: #4a3a2f;
    font-size: 13px;
    font-weight: 700;
}
.tbmm-club-status { min-width: 0; }
.tbmm-club-link { flex: 0 0 auto; color: var(--tbmm-blue); font-weight: 900; text-decoration: none; }
.tbmm-club-link:hover { text-decoration: underline; }
.tbmm-club-link:focus-visible { outline: 3px solid var(--tbmm-gold); outline-offset: 3px; border-radius: 4px; }

.tbmm-access-gate { min-height: 360px; display: grid; place-items: center; padding: clamp(18px, 4vw, 42px); }
.tbmm-access-card { width: min(100%, 720px); padding: clamp(22px, 4vw, 38px); border: 3px solid var(--tbmm-red); border-radius: 24px; background: var(--tbmm-cream); box-shadow: 0 14px 36px rgba(70,38,12,.18); text-align: center; }
.tbmm-access-card h2 { margin: 6px 0 12px; color: var(--tbmm-red); font-size: clamp(28px, 5vw, 44px); }
.tbmm-access-eyebrow { margin: 0; color: var(--tbmm-blue); font-size: 13px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.tbmm-access-level { display: inline-block; margin: 8px 0 14px; padding: 8px 11px; border-radius: 10px; background: #fff3cd; border: 1px solid #f2ce67; }
.tbmm-vip-wrap { margin-top: 24px; text-align: left; }
.tbmm-vip-wrap .tbac-vip-access { margin-inline: auto; }

@media (max-width: 600px) {
    .tbmm-club-bar { align-items: flex-start; flex-direction: column; }
    .tbmm-club-link { white-space: normal; }
}