/* Knockout arena presentation. Scoped to this minigame; gameplay geometry is untouched. */
#app:has(#knockout-page.active) { min-height: 100dvh; }
#knockout-page {
    --ko-ice: #31d9ff;
    --ko-bright: #f7faff;
    --ko-muted: #c3d7ed;
    --ko-border: rgba(161, 219, 255, .63);
    --ko-panel: linear-gradient(135deg, rgba(49, 86, 127, .91), rgba(7, 21, 41, .93) 56%, rgba(18, 48, 83, .91));
    padding: 0;
    background: #030d19;
    color: var(--ko-bright);
    overflow: hidden;
}
#knockout-page *, #knockout-page *::before, #knockout-page *::after { box-sizing: border-box; }
#knockout-page .ko-arena {
    position: relative;
    isolation: isolate;
    width: min(100%, 520px);
    height: calc(100dvh - 60px);
    min-height: 0;
    margin-inline: auto;
    background: #04101f;
}
#knockout-page .ko-arena-background {
    position: absolute;
    z-index: -2;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    pointer-events: none;
    user-select: none;
}
#knockout-page .ko-arena::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(1, 10, 24, .36), rgba(3, 12, 25, .53) 42%, rgba(2, 9, 20, .87));
}
#knockout-page .gtp-screen {
    position: relative;
    min-height: 0;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    padding: max(66px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
    scrollbar-width: thin;
    scrollbar-color: rgba(85, 180, 232, .55) transparent;
}
#knockout-page .gtp-screen:not(.active) { display: none; }
#knockout-page .gtp-screen.active { display: flex; flex-direction: column; }
#knockout-page #ko-back-btn {
    position: absolute;
    top: max(11px, env(safe-area-inset-top));
    left: max(14px, env(safe-area-inset-left));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
    min-height: 44px;
    padding: 9px 14px;
    border: 1px solid rgba(168, 218, 255, .68);
    border-radius: 12px;
    color: #e8f7ff;
    background: rgba(8, 28, 49, .78);
    box-shadow: inset 0 1px rgba(255,255,255,.17), 0 3px 16px rgba(0,0,0,.2);
    backdrop-filter: blur(8px);
}
#knockout-page .ko-eyebrow {
    color: #96e5ff;
    font-size: 11px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .19em;
    text-shadow: 0 1px 7px rgba(0, 0, 0, .7);
    margin: 0 0 10px;
}
#knockout-page .gtp-start-content,
#knockout-page .gtp-result-content,
#knockout-page .ko-lobby-content {
    width: 100%;
    max-width: 440px;
    margin: auto;
    flex: 0 0 auto;
    padding: clamp(18px, 4vw, 28px) clamp(16px, 4vw, 26px);
    border: 1px solid var(--ko-border);
    border-radius: 22px;
    background: var(--ko-panel);
    box-shadow: inset 0 1px 2px rgba(232, 249, 255, .65), inset 0 0 17px rgba(64, 144, 218, .16), 0 9px 28px rgba(0, 0, 0, .43), 0 0 18px rgba(31, 142, 214, .18);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    text-align: center;
}
#knockout-page .gtp-start-icon {
    display: grid;
    place-items: center;
    width: 100px;
    height: 100px;
    margin: 4px auto 14px;
    font-size: 53px;
    border-radius: 50%;
    border: 2px solid rgba(158, 227, 255, .89);
    background: radial-gradient(circle at 30% 24%, rgba(87, 178, 222, .67), rgba(7, 34, 65, .9) 68%);
    box-shadow: 0 0 17px rgba(49, 217, 255, .32), inset 0 0 17px rgba(84, 204, 255, .24);
}
#knockout-page .gtp-start-title,
#knockout-page .gtp-result-title {
    font-weight: 900;
    font-size: clamp(27px, 6vw, 34px);
    line-height: 1.13;
    letter-spacing: .02em;
    color: var(--ko-bright);
    text-shadow: 0 2px 5px rgba(0,0,0,.45);
    margin: 0 0 12px;
}
#knockout-page .gtp-start-desc,
#knockout-page .gtp-start-rules,
#knockout-page .gtp-result-label { color: var(--ko-muted); }
#knockout-page .gtp-start-desc { font-size: 14px; line-height: 1.55; margin: 0 0 12px; }
#knockout-page .gtp-start-rules { font-size: 12px; line-height: 1.45; margin: 0 0 12px; }
#knockout-page .ko-mode-btns { max-width: 340px; margin: 14px auto 0; gap: 10px; }
#knockout-page .gtp-play-btn,
#knockout-page .ko-secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 48px;
    border-radius: 14px;
    font: inherit;
    font-size: 15px;
    font-weight: 800;
    cursor: pointer;
    transition: filter .17s ease, transform .17s ease, border-color .17s ease;
}
#knockout-page .gtp-play-btn {
    color: white;
    border: 1px solid #9aeaff;
    background: linear-gradient(135deg, #138dcd, #0b568c);
    box-shadow: inset 0 1px 2px rgba(242, 252, 255, .73), 0 0 14px rgba(18, 156, 232, .34);
    padding: 12px 22px;
}
#knockout-page .ko-secondary-btn {
    color: #e3f7ff;
    border: 1px solid rgba(155, 226, 255, .77);
    background: linear-gradient(135deg, rgba(69, 131, 181, .38), rgba(4, 25, 47, .76));
    box-shadow: inset 0 1px rgba(236, 248, 255, .2);
    padding: 12px 16px;
}
#knockout-page button:not(:disabled):hover { filter: brightness(1.12); }
#knockout-page button:not(:disabled):active { transform: scale(.98); }
#knockout-page button:focus-visible { outline: 3px solid #31d9ff; outline-offset: 3px; }
#knockout-page button:disabled { opacity: .5; cursor: not-allowed; }
#knockout-page .gtp-back-btn,
#knockout-page .gtp-back-link {
    min-height: 44px;
    align-self: flex-start;
    padding: 8px 10px;
    color: #b5eaff;
    text-shadow: 0 2px 5px rgba(0,0,0,.5);
}
/* Avatar picker: scroll the cards independently of the footer and keep the Play button visible. */
#knockout-page #ko-select { overflow: hidden; }
#knockout-page #ko-select-back-btn {
    position: absolute;
    top: max(12px, env(safe-area-inset-top));
    left: max(12px, env(safe-area-inset-left));
    z-index: 2;
}
#knockout-page .ko-select-title,
#knockout-page .ko-lobby-title {
    padding: 0;
    margin: 0 0 12px;
    color: #f7faff;
    font-size: clamp(20px, 5vw, 26px);
    font-weight: 850;
    letter-spacing: .02em;
    text-shadow: 0 2px 7px rgba(0,0,0,.4);
}
#knockout-page #ko-select-status { flex-shrink: 0; }
#knockout-page .ko-avatar-grid {
    flex: 1;
    min-height: 0;
    max-height: none;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-content: start;
    gap: 9px;
    padding: 9px 3px 20px;
    overflow-y: auto;
}
#knockout-page .ko-avatar-card {
    min-width: 0;
    padding: 10px 4px 9px;
    gap: 5px;
    color: #f3faff;
    border: 1px solid rgba(153, 209, 252, .47);
    border-radius: 14px;
    background: linear-gradient(145deg, rgba(35, 72, 109, .91), rgba(6, 24, 47, .95));
    box-shadow: inset 0 1px rgba(220, 247, 255, .2), 0 4px 12px rgba(0,0,0,.25);
}
#knockout-page .ko-avatar-card.selected {
    border-color: #70e7ff;
    color: #fff;
    background: linear-gradient(145deg, rgba(23, 126, 163, .94), rgba(9, 55, 102, .94));
    box-shadow: inset 0 1px rgba(229, 255, 255, .65), 0 0 11px rgba(22, 198, 255, .35);
}
#knockout-page .ko-avatar-card:focus-visible { outline: 3px solid #31d9ff; outline-offset: 1px; }
#knockout-page .ko-avatar-name { max-width: 100%; color: #f7faff; font-size: 12px; }
#knockout-page .ko-avatar-num,
#knockout-page .ko-availability { color: #afdafa; }
#knockout-page .ko-photo,
#knockout-page .ko-avatar-card img {
    border-radius: 50%;
    border: 2px solid rgba(174, 232, 255, .74);
    background: rgba(5, 25, 49, .95);
}
#knockout-page .ko-photo-placeholder { color: #edf9ff; }
#knockout-page .ko-select-footer {
    flex: 0 0 auto;
    margin: 0;
    padding: 10px 8px max(4px, env(safe-area-inset-bottom));
    border-top: 1px solid rgba(157, 211, 248, .37);
    background: rgba(7, 25, 48, .83);
    border-radius: 14px;
    box-shadow: 0 -5px 18px rgba(0,0,0,.24);
}
#knockout-page #ko-play-btn { width: min(100%, 350px); }
#knockout-page .ko-loading {
    color: #cceaff;
    background: rgba(10, 29, 52, .8);
    border: 1px solid var(--ko-border);
    border-radius: 12px;
}
/* Multiplayer lobby: room code and player slots remain legible on compact phones. */
#knockout-page .ko-lobby-content { gap: 8px; margin: 0 auto; padding-block: 17px; }
#knockout-page .ko-player-entry { padding-block: 5px; }
#knockout-page .ko-room-code {
    max-width: 100%;
    padding: 10px 12px;
    border: 1px solid #a1e8ff;
    border-radius: 15px;
    color: #6be4ff;
    background: rgba(2, 16, 34, .85);
    font-size: clamp(23px, 7vw, 37px);
    font-variant-numeric: tabular-nums;
    letter-spacing: .13em;
    text-shadow: 0 0 14px rgba(65, 210, 255, .42);
    box-shadow: inset 0 1px rgba(196,241,255,.18), 0 0 12px rgba(49, 217, 255, .2);
}
#knockout-page .ko-lobby-hint { color: #d1e7f7; font-size: 12px; }
#knockout-page .ko-player-list { max-width: none; min-width: 0; gap: 6px; }
#knockout-page .ko-player-entry {
    min-width: 0;
    color: #f7faff;
    background: rgba(7, 30, 55, .8);
    border: 1px solid rgba(138, 195, 236, .4);
    border-radius: 12px;
}
#knockout-page .ko-player-entry.ko-me { background: rgba(12, 112, 154, .32); border-color: #43cfff; }
#knockout-page .ko-player-entry > span:last-child { min-width: 0; overflow-wrap: anywhere; }
#knockout-page .ko-lobby-content .gtp-play-btn,
#knockout-page .ko-lobby-content .ko-secondary-btn { width: 100%; }
#knockout-page .ko-status { color: #d4eaff; font-size: 12px; line-height: 1.3; }
#knockout-page .ko-status:empty { padding: 0; min-height: 0; }
/* Full-viewport canvas, native physics world and drag coordinates are intentionally unchanged. */
#knockout-page #ko-game.active {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    overflow: hidden;
    padding: 0;
    background: #07172a;
}
#knockout-page #ko-game .ko-hud {
    gap: 8px;
    top: 0;
    left: 0;
    right: 0;
    padding: calc(12px + env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) 12px max(12px, env(safe-area-inset-left));
}
#knockout-page #ko-game .ko-hud > span:not(.ko-phase-banner) {
    color: #f7faff;
    border: 1px solid rgba(182, 233, 255, .79);
    border-radius: 12px;
    background: linear-gradient(130deg, rgba(27, 73, 111, .96), rgba(4, 23, 44, .95));
    box-shadow: inset 0 1px rgba(228, 249, 255, .35), 0 0 14px rgba(25, 165, 238, .25);
    padding: 10px 12px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    font-weight: 900;
    font-size: clamp(12px, 3.3vw, 15px);
}
#knockout-page #ko-game .ko-phase-banner {
    position: fixed;
    top: 50%;
    left: 50%;
    font-size: clamp(20px, 6vw, 34px);
    color: #f5fdff;
    text-shadow: 0 2px 3px #00182b, 0 0 17px rgba(23, 145, 221, .5);
    max-width: 86vw;
    white-space: normal;
    line-height: 1.1;
    text-align: center;
}
#knockout-page #ko-game .ko-timer-ring {
    bottom: calc(22px + env(safe-area-inset-bottom));
    padding: 7px;
    border: 1px solid rgba(158, 224, 255, .85);
    border-radius: 50%;
    background: rgba(3, 24, 48, .91);
    box-shadow: inset 0 1px rgba(243,251,255,.3), 0 0 15px rgba(49, 217, 255, .37), 0 4px 14px rgba(0,0,0,.4);
    opacity: 1;
}
#knockout-page #ko-game #ko-timer-circle,
[data-theme="dark"] #knockout-page #ko-game #ko-timer-circle { stroke: #51dcff; }
#knockout-page #ko-game .ko-timer-ring circle:first-child,
[data-theme="dark"] #knockout-page #ko-game .ko-timer-ring circle:first-child { stroke: rgba(124, 217, 255, .3); }
#knockout-page #ko-game .ko-aim-hint,
[data-theme="dark"] #knockout-page #ko-game .ko-aim-hint {
    left: 50%;
    right: auto;
    bottom: calc(101px + env(safe-area-inset-bottom));
    transform: translateX(-50%);
    width: max-content;
    max-width: calc(100vw - 24px);
    padding: 8px 13px;
    border: 1px solid rgba(137, 221, 255, .6);
    border-radius: 13px;
    background: rgba(4, 30, 54, .92);
    color: #e7f8ff;
    font-size: 12px;
    line-height: 1.35;
    box-shadow: 0 0 12px rgba(16, 138, 220, .23);
}
#knockout-page #ko-game-status {
    top: calc(65px + env(safe-area-inset-top));
    color: #ebfaff;
    text-shadow: 0 1px 5px #00162e;
}
/* Results: keep dynamic win/draw messages and online rematch button visibility. */
#knockout-page .gtp-result-content { gap: 8px; }
#knockout-page .ko-result-trophy { font-size: 56px; line-height: 1; margin: 0 auto 4px; filter: drop-shadow(0 0 12px rgba(73, 210, 255, .44)); }
#knockout-page .gtp-result-title { margin-bottom: 8px; }
#knockout-page .gtp-result-label { margin: 0; text-transform: none; letter-spacing: .025em; overflow-wrap: anywhere; }
#knockout-page .ko-result-wins { color: #83e9ff; font-size: 18px; font-weight: 850; margin: 3px 0 9px; }
#knockout-page #ko-result-photo .ko-photo,
#knockout-page .ko-result-winner-img {
    width: 96px;
    height: 96px;
    border: 3px solid #9aeaff;
    box-shadow: 0 0 14px rgba(44, 198, 255, .32);
}
#knockout-page #ko-result-photo:empty { display: none; }
#knockout-page #ko-result .gtp-play-btn { min-width: min(100%, 240px); }
#knockout-page #ko-result .gtp-back-link { align-self: center; }
#knockout-page button[hidden] { display: none !important; }
@media (max-width: 360px) {
    #knockout-page .gtp-start-content { padding: 16px 14px; }
    #knockout-page .gtp-start-icon { width: 78px; height: 78px; font-size: 40px; margin-bottom: 9px; }
    #knockout-page .gtp-start-title { margin-bottom: 8px; }
    #knockout-page .gtp-start-desc { font-size: 13px; }
    #knockout-page .ko-mode-btns { gap: 7px; }
    #knockout-page .ko-avatar-grid { gap: 5px; }
    #knockout-page .ko-avatar-card { padding-inline: 2px; }
    #knockout-page .ko-avatar-name { font-size: 11px; }
    #knockout-page .ko-lobby-content { padding: 18px 14px; }
}
@media (max-height: 650px) {
    #knockout-page .gtp-start-content { padding-block: 14px; }
    #knockout-page .gtp-start-icon { width: 72px; height: 72px; font-size: 36px; margin-block: 0 7px; }
    #knockout-page .gtp-start-desc { margin-bottom: 6px; }
    #knockout-page .ko-select-title { margin-bottom: 5px; }
}
@media (orientation: landscape) and (max-height: 500px) {
    #knockout-page .gtp-screen:not(#ko-game) { padding-top: max(60px, env(safe-area-inset-top)); }
}
@media (prefers-reduced-motion: reduce) {
    #knockout-page button { transition: none; }
}