:root {
    --tray-h:            200px;
    --c-panel-bg:        #3a2615;
    --c-panel-bg2:       #1c0f08;
    --c-panel-border:    #b87333;
    --c-panel-border2:   #6e4520;
    --c-btn-primary:     #f4c46a;
    --c-btn-primary2:    #c9923a;
    --c-btn-secondary:   #5a3a20;
    --c-btn-secondary2:  #3a2410;
    --c-accent:          #ffd98a;
    --c-accent2:         #d89958;
    --c-text:            #f4e2c4;
    --c-text-muted:      #d6a877;
    --c-scene-bg:        #0d0905;
    --c-body-bg:         #14110c;
    --c-hud-bg:          rgba(20,12,6,0.6);
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    user-select: none;
}

html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: var(--c-body-bg);
    color: var(--c-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    overscroll-behavior: none;
    touch-action: none;
}

#app {
    position: relative;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 50% 0%, #2a1c10 0%, #0d0905 70%),
        #0d0905;
}

#hud {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: max(8px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) 8px max(12px, env(safe-area-inset-left));
    z-index: 5;
    pointer-events: none;
    gap: 8px;
}

.hud-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--c-hud-bg);
    border: 1px solid rgba(184, 115, 51, 0.35);
    border-radius: 10px;
    padding: 4px 12px;
    min-width: 80px;
    backdrop-filter: blur(4px);
    transition: background 0.4s, border-color 0.4s;
}

.hud-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.75;
    color: var(--c-text-muted);
}

.hud-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--c-accent);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    font-variant-numeric: tabular-nums;
}

.hud-menu {
    pointer-events: auto;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(180deg, #6e4520, #3c2410);
    color: #f4e2c4;
    border: 1px solid #b87333;
    font-size: 22px;
    cursor: pointer;
    backdrop-filter: blur(4px);
    padding: 0;
    box-shadow: 0 2px 0 #1a0e05, inset 0 1px 0 rgba(255, 230, 190, 0.15);
}

.hud-menu:active { transform: translateY(1px); }

.hud-rewarded {
    pointer-events: auto;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(180deg, #7a5200, #3a2800);
    color: #ffd98a;
    border: 1px solid #c9923a;
    font-size: 20px;
    cursor: pointer;
    padding: 0;
    box-shadow: 0 2px 0 #1a0e05, inset 0 1px 0 rgba(255,230,150,0.2);
    transition: opacity 0.2s;
}
.hud-rewarded:disabled { opacity: 0.4; cursor: default; }
.hud-rewarded:not(:disabled):active { transform: translateY(1px); }

/* ══════════════ Profile panel ══════════════ */
.profile-panel {
    width: min(420px, 96vw);
    padding: 24px 22px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    max-height: 92vh;
    overflow-y: auto;
    text-align: left;
}

.profile-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .88rem;
}

.profile-table tr { border-bottom: 1px solid rgba(110,69,32,.4); }
.profile-table tr:last-child { border-bottom: none; }

.profile-tr-section td {
    padding: 10px 10px 5px;
    font-size: .68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.8px;
    color: var(--c-panel-border);
    background: rgba(0,0,0,.2);
    border-top: 1px solid rgba(184,115,51,.2);
}

.ptl {
    padding: 9px 10px;
    color: var(--c-text-muted);
    width: 45%;
    vertical-align: middle;
    font-size: .83rem;
}

.ptv {
    padding: 9px 10px;
    color: var(--c-text);
    font-weight: 600;
    vertical-align: middle;
}

.profile-id-mono {
    font-family: monospace;
    font-size: .7rem;
    color: #8ab8d8;
    word-break: break-all;
    vertical-align: middle;
}

.profile-copy-btn {
    background: rgba(184,115,51,.15);
    border: 1px solid rgba(184,115,51,.35);
    border-radius: 6px;
    cursor: pointer;
    font-size: .78rem;
    padding: 2px 6px;
    margin-left: 6px;
    vertical-align: middle;
    color: var(--c-text);
    transition: background .15s;
}
.profile-copy-btn:hover { background: rgba(184,115,51,.35); }

.profile-name-row {
    display: flex;
    gap: 6px;
    align-items: center;
}

.profile-name-input {
    flex: 1;
    background: rgba(0,0,0,.4);
    border: 1.5px solid var(--c-panel-border2);
    border-radius: 8px;
    color: var(--c-text);
    font-size: .85rem;
    padding: 6px 10px;
    font-family: inherit;
    -webkit-user-select: text;
    user-select: text;
    outline: none;
    transition: border-color .2s;
}
.profile-name-input:focus { border-color: #f4c46a; }

.profile-name-save {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    border: 1.5px solid #b87333;
    background: linear-gradient(180deg, #7a5200, #3a2800);
    color: #f4c46a;
    font-size: 1rem;
    cursor: pointer;
    flex-shrink: 0;
    box-shadow: 0 2px 0 #1a0e05;
    transition: transform .1s;
}
.profile-name-save:active { transform: translateY(1px); }

/* Native pre-prompt (shortcut / rate) */
.native-prompt-panel {
    max-width: 320px;
    text-align: center;
    padding: 28px 24px 20px;
}
.native-prompt-panel h2 { margin: 0 0 10px; font-size: 1.15rem; color: var(--c-accent, #ffd98a); }
.native-prompt-panel p  { margin: 0 0 20px; font-size: 0.9rem; color: var(--c-text-muted, #d6a877); line-height: 1.45; }

#board {
    display: block;
    width: 100%;
    height: calc(100% - var(--tray-h));
    touch-action: none;
}

/* ── Tray bar ── */
#tray-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--tray-h);
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: 8px;
    padding: 8px 10% max(10px, env(safe-area-inset-bottom));
    background: linear-gradient(180deg, #2a1c10 0%, #160d06 100%);
    border-top: 2px solid #b87333;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.55);
    z-index: 4;
    touch-action: none;
}

.tray-slot {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    height: calc(var(--tray-h) - 28px);
    background: rgba(0,0,0,0.35);
    border: 1.5px solid rgba(184,115,51,0.3);
    border-radius: 12px;
    cursor: pointer;
    transition: border-color 0.12s, background 0.12s;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}
.tray-slot:active,
.tray-slot.dragging {
    background: rgba(184,115,51,0.12);
    border-color: rgba(184,115,51,0.6);
}
.tray-slot.empty-slot { opacity: 0.3; pointer-events: none; }

.tray-slot-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.piece-grid {
    display: grid;
    grid-template-columns: repeat(var(--cols), var(--cell));
    grid-template-rows:    repeat(var(--rows), var(--cell));
    gap: var(--gap);
    --cell: 16px;
    --gap:  2px;
}

.piece-cell {
    width: var(--cell);
    height: var(--cell);
    border-radius: 3px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.22), 0 1px 3px rgba(0,0,0,0.5);
}
.piece-cell-empty {
    background: transparent !important;
    box-shadow: none;
}

/* Mobile: reduce tray to give maximum board space */
@media (hover: none) and (max-width: 480px) {
    :root { --tray-h: 140px; }
    .piece-grid { --cell: 15px; --gap: 2px; }
    #tray-bar { padding: 6px 8% max(8px, env(safe-area-inset-bottom)); gap: 6px; }
}
@media (max-width: 360px) {
    :root { --tray-h: 115px; }
    .piece-grid { --cell: 12px; --gap: 2px; }
    #tray-bar { padding: 4px 6% max(6px, env(safe-area-inset-bottom)); gap: 4px; }
}
@media (min-width: 480px) and (hover: none) {
    /* Tablet touch */
    :root { --tray-h: 180px; }
    .piece-grid { --cell: 17px; }
}
@media (min-width: 480px) and (hover: hover) {
    .piece-grid { --cell: 18px; }
}
/* Desktop / large tablet — compact tray so board gets more vertical space */
@media (hover: hover) and (min-width: 600px) {
    :root { --tray-h: 96px; }
    #tray-bar { padding-top: 4px; padding-bottom: 4px; gap: 12px; }
    .tray-slot { border-radius: 8px; }
    .piece-grid { --cell: 14px; --gap: 2px; }
}

.overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(8, 5, 2, 0.82);
    backdrop-filter: blur(6px);
    z-index: 10;
    overflow-y: auto;
    padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}

.overlay.hidden { display: none; }
.hidden { display: none !important; }

.panel {
    background: linear-gradient(180deg, #4a3120, #2a1a0e);
    border: 2px solid #7a5234;
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.7);
    width: min(440px, 100%);
    max-height: calc(100% - 16px);
    overflow-y: auto;
    position: relative;
}

.panel.steampunk {
    background:
        radial-gradient(circle at 50% 0%, rgba(184, 115, 51, 0.12), transparent 60%),
        linear-gradient(180deg, var(--c-panel-bg), var(--c-panel-bg2));
    border: 3px double var(--c-panel-border);
    box-shadow:
        0 0 0 1px #1a0e05 inset,
        0 0 0 4px var(--c-panel-border2) inset,
        0 0 0 5px var(--c-panel-border) inset,
        0 8px 36px rgba(0, 0, 0, 0.8);
    transition: background 0.4s, border-color 0.4s;
}

.panel h1 {
    margin: 0 0 8px;
    font-size: 26px;
    color: var(--c-accent);
    letter-spacing: 0.5px;
}

.panel h2 {
    margin: 16px 0 10px;
    font-size: 14px;
    color: var(--c-text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.9;
    font-weight: 700;
}

.panel p { margin: 6px 0; font-size: 16px; line-height: 1.4; }

#finalScore, #finalBest { font-weight: 700; color: #ffd98a; }

button {
    padding: 12px 22px;
    min-height: 48px;
    font-size: 17px;
    font-weight: 700;
    color: #2a1a0e;
    background: linear-gradient(180deg, var(--c-btn-primary), var(--c-btn-primary2));
    border: 2px solid #8a5e26;
    border-radius: 10px;
    cursor: pointer;
    box-shadow: 0 3px 0 #6a4720, 0 6px 12px rgba(0, 0, 0, 0.45);
    transition: filter 0.1s, transform 0.1s, box-shadow 0.1s, background 0.4s;
    font-family: inherit;
}

button:hover { filter: brightness(1.05); }
button:active { transform: translateY(2px); box-shadow: 0 1px 0 #6a4720, 0 3px 6px rgba(0, 0, 0, 0.4); }
button:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

button.secondary {
    background: linear-gradient(180deg, var(--c-btn-secondary), var(--c-btn-secondary2));
    color: var(--c-text);
    border-color: var(--c-btn-secondary);
    box-shadow: 0 2px 0 #1a0e05, 0 4px 8px rgba(0, 0, 0, 0.5);
}

button.brass {
    background: linear-gradient(180deg, #d89958, #8a5d2a);
    color: #1a0e05;
    border: 2px solid #5a3a20;
    box-shadow:
        inset 0 1px 0 rgba(255, 230, 180, 0.4),
        inset 0 -1px 0 rgba(0, 0, 0, 0.3),
        0 3px 0 #2a1a0e,
        0 6px 12px rgba(0, 0, 0, 0.5);
    text-shadow: 0 1px 0 rgba(255, 230, 180, 0.3);
}

.menu-section { margin: 0 0 16px; text-align: left; }

.game-title {
    font-size: 32px;
    margin: 4px 0 0;
    background: linear-gradient(180deg, #ffd98a, #b87333);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-align: center;
    letter-spacing: 1px;
}
.game-subtitle {
    margin: 0 0 14px;
    text-align: center;
    font-size: 13px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #b87333;
}

.mode-grid { display: grid; gap: 10px; }

.mode-btn {
    display: grid;
    grid-template-columns: 48px 1fr auto;
    grid-template-areas: "icon name best" "icon desc desc";
    align-items: center;
    gap: 4px 12px;
    padding: 12px 14px;
    text-align: left;
    background: linear-gradient(180deg, var(--c-btn-secondary), var(--c-btn-secondary2));
    color: var(--c-text);
    border: 2px solid var(--c-panel-border2);
    border-radius: 12px;
    box-shadow: 0 2px 0 #1a0e05, 0 4px 10px rgba(0, 0, 0, 0.4);
    min-height: 64px;
    transition: background 0.4s, border-color 0.4s;
}

.mode-icon {
    grid-area: icon;
    font-size: 28px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(20, 10, 5, 0.55);
    border-radius: 8px;
    border: 1px solid rgba(184, 115, 51, 0.4);
}
.mode-name { grid-area: name; font-size: 18px; font-weight: 700; color: var(--c-accent); }
.mode-desc { grid-area: desc; font-size: 13px; opacity: 0.85; font-weight: 500; }
.mode-best { grid-area: best; font-size: 14px; color: var(--c-accent2); opacity: 0.95; font-variant-numeric: tabular-nums; }

.slider-row {
    display: grid;
    grid-template-columns: 80px 1fr 36px;
    align-items: center;
    gap: 12px;
    margin: 8px 0;
}
.slider-row label { font-size: 14px; opacity: 0.85; }
.slider-row .slider-val { text-align: right; font-variant-numeric: tabular-nums; font-size: 14px; color: #d89958; }

.slider-row input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, #b87333, #5a3a20);
    border-radius: 4px;
    outline: none;
}
.slider-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #ffd98a, #8a5d2a);
    border: 2px solid #3c2410;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}
.slider-row input[type="range"]::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #ffd98a, #8a5d2a);
    border: 2px solid #3c2410;
    cursor: pointer;
}

.menu-actions { display: grid; gap: 8px; }
.overlay-actions { display: grid; gap: 8px; margin-top: 14px; }

/* === Shop (Steampunk) === */
.shop-panel {
    width: min(540px, 100%);
}
.shop-hint {
    margin: 0 0 14px;
    font-size: 13px;
    opacity: 0.75;
    color: #d6a877;
    text-align: center;
}

.shop-grid {
    display: grid;
    gap: 12px;
    margin: 12px 0 18px;
}

.shop-card {
    display: grid;
    grid-template-columns: 64px 1fr auto;
    grid-template-areas: "icon body action";
    gap: 10px 14px;
    align-items: center;
    padding: 12px;
    background: linear-gradient(180deg, var(--c-panel-bg), var(--c-panel-bg2));
    border: 2px solid var(--c-panel-border2);
    border-radius: 12px;
    box-shadow:
        inset 0 1px 0 rgba(255, 230, 180, 0.08),
        0 2px 0 #1a0e05;
    cursor: pointer;
    text-align: left;
    transition: border-color 0.15s, transform 0.1s;
}

.shop-card:hover { border-color: #b87333; }
.shop-card.selected { border-color: #ffd98a; box-shadow: inset 0 0 0 1px #ffd98a, 0 2px 0 #1a0e05; }
.shop-card.previewing { border-color: #d89958; }

/* Card with a preview image: add top row for the image, hide emoji icon */
.shop-card.has-preview {
    grid-template-columns: 1fr auto;
    grid-template-areas:
        "preview preview"
        "body    action";
    grid-template-rows: 90px auto;
    gap: 0;
    align-items: start;
    padding: 0;
    overflow: hidden;
}
.shop-card.has-preview .shop-card-icon { display: none; }
.shop-card.has-preview .shop-card-body { padding: 10px 8px 10px 12px; }
.shop-card.has-preview .shop-card-action { padding: 10px 12px 10px 0; }

.shop-card-preview {
    grid-area: preview;
    display: none;
    width: 100%;
    height: 90px;
    overflow: hidden;
}
.shop-card.has-preview .shop-card-preview { display: block; }
.shop-card-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.shop-card-icon {
    grid-area: icon;
    width: 64px;
    height: 64px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    border: 2px solid #6e4520;
    background: rgba(0, 0, 0, 0.4);
}
.shop-card-icon.skin-default { background: linear-gradient(135deg, #c97a3a, #6a4720); color: #2a1a0e; }
.shop-card-icon.skin-jade {
    background: linear-gradient(135deg, #2d6a3e, #1f5c33);
    color: #d8ffea;
    box-shadow: 0 0 12px rgba(80, 200, 120, 0.4) inset;
}
.shop-card-icon.skin-granite {
    background: linear-gradient(135deg, #8a8a8a, #4a4a4a);
    color: #fff;
}

.shop-card-body { grid-area: body; min-width: 0; }
.shop-card-name { font-size: 16px; font-weight: 700; color: var(--c-accent); margin-bottom: 2px; }
.shop-card-desc { font-size: 12px; opacity: 0.8; line-height: 1.3; }
.shop-card-price { font-size: 13px; color: var(--c-accent2); margin-top: 4px; font-weight: 700; font-variant-numeric: tabular-nums; }

.shop-card-action { grid-area: action; }
.shop-card-action button {
    min-height: 40px;
    padding: 8px 14px;
    font-size: 14px;
}
.shop-card-action .badge-owned {
    display: inline-block;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 700;
    color: #1f5c33;
    background: linear-gradient(180deg, #b8e8c4, #5fb47a);
    border: 2px solid #1f5c33;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.shop-section-label {
    grid-column: 1 / -1;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #b87333;
    padding: 4px 0 2px;
    border-bottom: 1px solid rgba(184, 115, 51, 0.3);
    margin-top: 4px;
}

/* Steampunk gears in shop corners */
.shop-gear {
    position: absolute;
    width: 30px;
    height: 30px;
    border: 3px solid #b87333;
    border-radius: 50%;
    background:
        radial-gradient(circle at center, transparent 32%, #b87333 33%, #b87333 38%, transparent 39%),
        radial-gradient(circle at center, #6e4520 30%, transparent 31%);
    opacity: 0.55;
    pointer-events: none;
}
.shop-gear-tl { top: 8px; left: 8px; }
.shop-gear-tr { top: 8px; right: 8px; }
.shop-gear-bl { bottom: 8px; left: 8px; }
.shop-gear-br { bottom: 8px; right: 8px; }

/* ══════════════ DUEL ══════════════ */

/* Menu button */
.duel-menu-btn {
    background: linear-gradient(135deg, #0a1628, #1a2a48);
    border: 2px solid #3a6ab8;
    color: #7ab8ff;
    border-radius: 14px;
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: .5px;
    box-shadow: 0 0 12px rgba(58,106,184,.4), 0 2px 0 #071020;
    transition: box-shadow .2s, transform .1s;
    width: 100%;
}
.duel-menu-btn:hover  { box-shadow: 0 0 20px rgba(58,106,184,.7), 0 2px 0 #071020; }
.duel-menu-btn:active { transform: translateY(1px); }

/* Duel panels */
.duel-panel {
    background: linear-gradient(180deg, #0d1a30, #060e1c);
    border: 2px solid #2a4a80;
    box-shadow: 0 0 30px rgba(30,80,180,.35), 0 8px 32px rgba(0,0,0,.8);
    width: min(380px, 96vw);
    padding: 28px 24px 22px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.duel-title {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 3px;
    color: #7ab8ff;
    text-shadow: 0 0 18px rgba(100,160,255,.6);
    margin: 0 0 4px;
}

/* Rank block */
.duel-rank-block {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255,255,255,.04);
    border: 1px solid #2a4a80;
    border-radius: 14px;
    padding: 14px 18px;
    width: 100%;
}
.duel-rank-icon { font-size: 2.4rem; line-height: 1; }
.duel-rank-info { flex: 1; }
.duel-rank-name {
    font-size: 1.1rem;
    font-weight: 800;
    color: #a8d4ff;
    letter-spacing: 1px;
    margin-bottom: 4px;
}
.duel-mmr-row {
    font-size: .78rem;
    color: #5a8ac8;
    margin-bottom: 6px;
    display: flex;
    gap: 4px;
    align-items: baseline;
}
.duel-mmr-label { margin-left: 4px; font-weight: 600; }
.duel-mmr-sep   { opacity: .5; }
.duel-rank-bar-bg {
    height: 5px;
    background: rgba(255,255,255,.08);
    border-radius: 5px;
    overflow: hidden;
}
.duel-rank-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #2a5aaa, #7ab8ff);
    border-radius: 5px;
    transition: width .4s;
    box-shadow: 0 0 8px rgba(122,184,255,.5);
}

/* Rules */
.duel-rules {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.duel-rule {
    font-size: .78rem;
    color: #5a8ac8;
    background: rgba(255,255,255,.03);
    border: 1px solid rgba(42,74,128,.5);
    border-radius: 8px;
    padding: 7px 12px;
}

/* Start button */
.duel-start-btn {
    background: linear-gradient(135deg, #1a3a7a, #2a5aaa);
    border: 2px solid #5a8aee;
    color: #c8e4ff;
    border-radius: 12px;
    padding: 13px 28px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: .5px;
    box-shadow: 0 0 18px rgba(58,100,200,.5), 0 2px 0 #040a18;
    width: 100%;
    transition: box-shadow .2s, transform .1s;
}
.duel-start-btn:hover  { box-shadow: 0 0 28px rgba(80,130,240,.7), 0 2px 0 #040a18; }
.duel-start-btn:active { transform: translateY(1px); }

/* Radar animation */
.duel-radar {
    position: relative;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 8px 0;
}
.duel-radar-ring {
    position: absolute;
    border-radius: 50%;
    border: 1.5px solid #3a6ab8;
    animation: duelPing 2s ease-out infinite;
}
.duel-radar-ring.r1 { width: 30px;  height: 30px;  animation-delay: 0s; }
.duel-radar-ring.r2 { width: 60px;  height: 60px;  animation-delay: .6s; }
.duel-radar-ring.r3 { width: 90px;  height: 90px;  animation-delay: 1.2s; }
.duel-radar-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: #7ab8ff;
    box-shadow: 0 0 10px #7ab8ff;
    z-index: 1;
}
@keyframes duelPing {
    0%   { opacity: .8; transform: scale(.3); }
    100% { opacity: 0;  transform: scale(1); }
}

.duel-search-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.duel-search-lbl  { font-size: .85rem; color: #7ab8ff; font-weight: 600; }
.duel-search-time { font-size: .75rem; color: #4a7ab0; }
.duel-search-hint { font-size: .72rem; color: #3a5a88; text-align: center; }

/* ── Duel HUD — теперь встроен в шапку, не плавает поверх поля ── */
.duel-hud { display: none !important; } /* floating overlay отключён */

/* Дуэльный блок внутри #hud */
.hud-duel-info {
    display: none;           /* hidden by default */
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
}
/* Когда шапка в режиме дуэли */
#hud.duel-mode .hud-item,
#hud.duel-mode #hudGold      { display: none; }
#hud.duel-mode .hud-duel-info { display: flex; }

.hdi-side {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(6,14,28,.9);
    border: 1px solid #2a4a80;
    border-radius: 10px;
    padding: 3px 10px;
    min-width: 52px;
}
.hdi-val {
    font-size: 1.25rem;
    font-weight: 900;
    color: #7ab8ff;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}
.hdi-opp .hdi-val { color: #ff7a7a; }
.hdi-lbl {
    font-size: .58rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #4a7ab0;
}
.hdi-timer {
    flex: 1;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 800;
    color: #c8e4ff;
    font-variant-numeric: tabular-nums;
    letter-spacing: 1px;
    background: rgba(6,14,28,.9);
    border: 1px solid #2a4a80;
    border-radius: 10px;
    padding: 4px 8px;
    min-width: 64px;
}

/* Совместимость со старым кодом — оставляем скрытые ID для обновлений */
.duel-hud-score { display: none; }
.duel-side { display: none; }
.duel-side-label { display: none; }
.duel-side-val { display: none; }
.duel-side-unit { display: none; }
.duel-hud-timer { display: none; }

/* ── Duel result ── */
.duel-result-panel { gap: 16px; }
.duel-result-icon  { font-size: 3.5rem; line-height: 1; }
.duel-result-title {
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: 4px;
    color: #7ab8ff;
    text-shadow: 0 0 20px rgba(100,160,255,.7);
}
.duel-result-score-row {
    display: flex;
    align-items: center;
    gap: 20px;
    background: rgba(255,255,255,.04);
    border: 1px solid #2a4a80;
    border-radius: 14px;
    padding: 14px 20px;
    width: 100%;
    justify-content: center;
}
.duel-rs       { text-align: center; }
.duel-rs-val   { font-size: 2rem; font-weight: 900; color: #a8d4ff; }
.duel-rs-lbl   { font-size: .65rem; color: #4a7ab0; text-transform: uppercase; letter-spacing: 1px; }
.duel-rs-sep   { font-size: 1rem; color: #2a4a80; font-weight: 700; }
.duel-result-mmr {
    font-size: .88rem;
    color: #5aaa5a;
    font-weight: 600;
    text-align: center;
    min-height: 1.2em;
}

/* === Leaderboard === */
.lb-tabs {
    display: flex;
    gap: 6px;
    margin: 12px 0;
    flex-wrap: wrap;
    justify-content: center;
}
.lb-tab {
    padding: 8px 14px;
    min-height: 40px;
    font-size: 14px;
    background: linear-gradient(180deg, var(--c-btn-secondary), var(--c-btn-secondary2));
    color: var(--c-text);
    border: 2px solid var(--c-btn-secondary);
    border-radius: 8px;
    box-shadow: none;
    transition: background 0.4s, border-color 0.4s;
}
.lb-tab.active {
    background: linear-gradient(180deg, var(--c-btn-primary), var(--c-btn-primary2));
    color: #2a1a0e;
    border-color: #8a5e26;
}
.lb-content {
    background: rgba(8, 5, 2, 0.5);
    border: 1px solid rgba(184, 115, 51, 0.25);
    border-radius: 10px;
    padding: 8px;
    min-height: 120px;
    margin-bottom: 12px;
    text-align: left;
    font-size: 14px;
}
.lb-row {
    display: grid;
    grid-template-columns: 36px 1fr 60px;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 6px;
}
.lb-row + .lb-row { margin-top: 2px; }
.lb-row.you { background: rgba(216, 153, 88, 0.18); border: 1px solid rgba(216, 153, 88, 0.45); }
.lb-rank { font-weight: 700; color: #d89958; text-align: center; }
.lb-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-score { text-align: right; font-weight: 700; color: #ffd98a; font-variant-numeric: tabular-nums; }
.lb-message { padding: 16px 8px; opacity: 0.8; text-align: center; }
.lb-divider { text-align: center; opacity: 0.5; padding: 4px 0; }

.auth-actions { display: grid; gap: 8px; margin-top: 14px; }

/* Toast */
#toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(180deg, var(--c-btn-secondary), var(--c-btn-secondary2));
    border: 2px solid var(--c-panel-border);
    color: var(--c-accent);
    padding: 10px 18px;
    border-radius: 10px;
    z-index: 100;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
    pointer-events: none;
    transition: opacity 0.25s;
    opacity: 0;
}
#toast.show { opacity: 1; }

@media (max-width: 480px) {
    .panel h1 { font-size: 22px; }
    .panel p { font-size: 15px; }
    .hud-value { font-size: 18px; }
    .hud-item { min-width: 70px; padding: 3px 10px; }
    .game-title { font-size: 26px; }
    .mode-name { font-size: 16px; }
    .mode-icon { font-size: 24px; width: 40px; height: 40px; }
    .mode-btn { grid-template-columns: 40px 1fr auto; padding: 10px; }
    .shop-card { grid-template-columns: 52px 1fr auto; padding: 10px; gap: 8px 10px; }
    .shop-card-icon { width: 52px; height: 52px; font-size: 26px; }
    .shop-card.has-preview { grid-template-columns: 1fr auto; padding: 0; gap: 0; }
    .shop-card-preview { height: 72px; }
    /* Duel inline HUD — compact on mobile */
    .hdi-val  { font-size: 1.1rem; }
    .hdi-lbl  { font-size: .52rem; }
    .hdi-timer { font-size: .95rem; min-width: 54px; padding: 3px 6px; }
    .hdi-side  { min-width: 44px; padding: 2px 8px; }
}

@media (max-width: 360px) {
    .panel { padding: 16px; }
    .panel h1 { font-size: 19px; }
    .game-title { font-size: 22px; }
    .mode-btn { min-height: 56px; }
    .mode-name { font-size: 14px; }
    .mode-desc { font-size: 11px; }
    .mode-icon { font-size: 20px; width: 36px; height: 36px; }
    .mode-btn { grid-template-columns: 36px 1fr auto; padding: 8px; gap: 3px 8px; }
    .hud-item { min-width: 60px; padding: 3px 6px; }
    .hud-value { font-size: 16px; }
    .hud-label { font-size: 10px; }
    .hdi-val   { font-size: 1rem; }
    .hdi-timer { font-size: .85rem; min-width: 48px; }
    .hdi-side  { min-width: 38px; padding: 2px 5px; }
}

/* Ensure tap targets are never too small on touch devices */
@media (hover: none) {
    button { min-height: 48px; }
    .lb-tab { min-height: 44px; }
    .shop-card-action button { min-height: 44px; }
    .slider-row input[type="range"]::-webkit-slider-thumb { width: 28px; height: 28px; }
    .slider-row input[type="range"]::-moz-range-thumb { width: 28px; height: 28px; }

    /* Tray slot — more comfortable touch hit area */
    .tray-slot { border-radius: 14px; }

    /* Instant highlight on touch (no delay) */
    .tray-slot:active { background: rgba(184,115,51,0.18); border-color: rgba(184,115,51,0.7); }
}

/* Remove expensive blur filters on small/weak mobile screens */
@media (hover: none) and (max-width: 480px) {
    .overlay { backdrop-filter: none; -webkit-backdrop-filter: none; }
    .hud-item { backdrop-filter: none; -webkit-backdrop-filter: none; }
    .hud-menu { backdrop-filter: none; -webkit-backdrop-filter: none; }
}

/* ══════════════════════════════════════════════════════════════
   GOLD ECONOMY UI
══════════════════════════════════════════════════════════════ */

/* HUD gold chip */
.hud-gold {
    pointer-events: none;
    display: flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(180deg, #5a3d00, #2e1e00);
    border: 1px solid #c9923a;
    border-radius: 20px;
    padding: 4px 10px;
    font-size: 15px;
    font-weight: 700;
    color: #ffd98a;
    box-shadow: 0 2px 6px rgba(0,0,0,0.5);
}
.hud-gold-icon { font-size: 16px; }

/* Menu gold row */
.menu-gold-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(0,0,0,0.25);
    border: 1px solid rgba(184,115,51,0.3);
    border-radius: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.menu-gold-display {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 18px;
    font-weight: 700;
    color: #ffd98a;
    flex: 1;
}
.menu-gold-icon { font-size: 20px; }

/* Earn gold button */
.earn-gold-btn {
    background: linear-gradient(180deg, #7a5200, #3a2800);
    border: 1.5px solid #c9923a;
    color: #ffd98a;
    border-radius: 10px;
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    line-height: 1.2;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 0;
    transition: opacity 0.2s;
}
.earn-gold-btn:disabled { opacity: 0.45; cursor: default; }
.earn-gold-btn:not(:disabled):active { transform: translateY(1px); }
.earn-gold-btn small { font-size: 11px; opacity: 0.8; }

/* Shop header */
.shop-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.shop-header h1 { margin: 0; }
.shop-gold-display {
    display: flex;
    align-items: center;
    gap: 5px;
    background: linear-gradient(180deg, #5a3d00, #2e1e00);
    border: 1px solid #c9923a;
    border-radius: 16px;
    padding: 5px 12px;
    font-weight: 700;
    font-size: 16px;
    color: #ffd98a;
}

/* Shop tabs */
.shop-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 14px;
}
.shop-tab {
    flex: 1;
    padding: 8px 12px;
    border-radius: 10px;
    background: rgba(0,0,0,0.25);
    border: 1.5px solid rgba(184,115,51,0.3);
    color: var(--c-text-muted);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    min-height: 0;
}
.shop-tab.active {
    background: linear-gradient(180deg, #5a3d00, #2e1e00);
    border-color: #c9923a;
    color: #ffd98a;
}

/* Shop tab content */
.shop-tab-content { display: block; }
.shop-tab-content.hidden { display: none; }

/* Gold packages grid */
.gold-packages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding-bottom: 8px;
}
.gold-pkg-card {
    background: linear-gradient(180deg, rgba(90,61,0,.35), rgba(20,12,0,.5));
    border: 1.5px solid rgba(201,146,58,.4);
    border-radius: 14px;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    text-align: center;
    transition: border-color 0.15s;
}
.gold-pkg-card:hover { border-color: #c9923a; }
.gold-pkg-icon { font-size: 28px; }
.gold-pkg-amount { font-size: 17px; font-weight: 700; color: #ffd98a; }
.gold-pkg-bonus { font-size: 12px; color: #a0c060; font-weight: 600; min-height: 16px; }
.gold-pkg-btn { margin-top: 8px; width: 100%; }

/* Gold buy button on shop card */
.gold-buy-btn {
    background: linear-gradient(180deg, #5a3d00, #2e1e00);
    border: 1.5px solid #c9923a;
    color: #ffd98a;
    border-radius: 8px;
    padding: 5px 10px;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 3px;
    min-height: 0;
}
.gold-buy-btn:not(:disabled):active { transform: translateY(1px); }
.gold-buy-btn.cant-afford { opacity: 0.55; }
.shop-card-action { display: flex; flex-direction: column; gap: 5px; align-items: stretch; }

/* Gold earned row (game over) */
.gold-earned-row {
    background: linear-gradient(90deg, rgba(90,61,0,.3), rgba(20,12,0,.4));
    border: 1px solid rgba(201,146,58,.4);
    border-radius: 10px;
    padding: 8px 14px;
    margin: 8px 0;
    font-weight: 600;
    color: #ffd98a;
    font-size: 15px;
    text-align: center;
}

/* ══════════════════════════════════════════════════════════════
   COMBO OVERLAY
══════════════════════════════════════════════════════════════ */

.combo-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -60%);
    z-index: 20;
    font-size: 38px;
    font-weight: 900;
    color: #ffd98a;
    text-shadow: 0 0 16px #c9923a, 0 2px 6px rgba(0,0,0,0.7);
    pointer-events: none;
    opacity: 0;
    white-space: nowrap;
}
.combo-overlay:not(.hidden) {
    animation: combo-pop 0.9s ease-out forwards;
}
@keyframes combo-pop {
    0%   { opacity: 0; transform: translate(-50%, -70%) scale(0.6); }
    20%  { opacity: 1; transform: translate(-50%, -60%) scale(1.15); }
    50%  { opacity: 1; transform: translate(-50%, -60%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -55%) scale(0.9); }
}

/* ══════════════════════════════════════════════════════════════
   DAILY QUESTS
══════════════════════════════════════════════════════════════ */

.quests-section h2 { margin: 0 0 8px; font-size: 15px; text-transform: uppercase; letter-spacing: 1px; opacity: 0.8; }
.quests-list { display: flex; flex-direction: column; gap: 6px; }

.quest-item {
    background: rgba(0,0,0,0.2);
    border: 1px solid rgba(184,115,51,0.25);
    border-radius: 10px;
    padding: 8px 10px;
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 4px 8px;
}
.quest-item.quest-done { border-color: rgba(160,192,96,.5); }
.quest-item.quest-claimed { opacity: 0.55; }
.quest-label { font-size: 13px; font-weight: 600; color: var(--c-text); }
.quest-right { display: flex; align-items: center; gap: 6px; grid-row: 1 / 3; }
.quest-progress-bar {
    height: 5px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    overflow: hidden;
    grid-column: 1;
}
.quest-progress-fill { height: 100%; background: linear-gradient(90deg, #c9923a, #ffd98a); border-radius: 3px; transition: width 0.4s; }
.quest-progress-text { font-size: 11px; color: var(--c-text-muted); white-space: nowrap; }
.quest-reward { font-size: 13px; font-weight: 700; color: #ffd98a; white-space: nowrap; }
.quest-claim-btn.brass-sm {
    padding: 3px 8px;
    font-size: 12px;
    background: linear-gradient(180deg, #c9923a, #8a5e20);
    border: 1px solid #ffd98a;
    color: #1a0e05;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 700;
    min-height: 0;
}
.quest-claimed-badge { font-size: 12px; color: #a0c060; font-weight: 600; }

/* Quest complete popup */
.quest-complete-panel {
    max-width: 300px;
    text-align: center;
    padding: 28px 24px;
}
.quest-complete-icon { font-size: 48px; margin-bottom: 8px; }
.quest-complete-panel h2 { margin: 0 0 12px; font-size: 18px; color: var(--c-accent); }
.quest-reward-display { font-size: 28px; font-weight: 900; color: #ffd98a; margin-bottom: 16px; }

/* ══════════════════════════════════════════════════════════════
   LOGIN STREAK
══════════════════════════════════════════════════════════════ */

.streak-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(180deg, #7a2000, #3a1000);
    border: 1.5px solid #e06030;
    border-radius: 16px;
    padding: 4px 10px;
    font-size: 14px;
    font-weight: 700;
    color: #ffb070;
}

.streak-reward-panel {
    max-width: 320px;
    text-align: center;
    padding: 28px 24px;
}
.streak-fire { font-size: 56px; margin-bottom: 6px; }
.streak-reward-panel h1 { margin: 0 0 8px; font-size: 22px; color: var(--c-accent); }
.streak-reward-panel p { margin: 0 0 12px; opacity: 0.8; }
.streak-reward-amount { font-size: 36px; font-weight: 900; color: #ffd98a; margin-bottom: 20px; }

/* ══════════════════════════════════════════════════════════════
   MEDALS (game over)
══════════════════════════════════════════════════════════════ */

.medal-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    margin-bottom: 8px;
}
.medal-emoji { font-size: 52px; display: block; }
.medal-name { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; opacity: 0.85; }
.medal-drop {
    animation: medal-drop 0.5s cubic-bezier(.3,1.4,.6,1) both;
}
@keyframes medal-drop {
    from { opacity: 0; transform: scale(0.4) translateY(-30px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* New record banner */
.new-record-banner {
    background: linear-gradient(90deg, rgba(200,160,0,.2), rgba(200,160,0,.08));
    border: 1px solid rgba(255,215,0,.5);
    border-radius: 10px;
    padding: 8px 14px;
    margin: 8px 0;
    font-weight: 700;
    font-size: 15px;
    color: #ffd700;
    text-align: center;
}
.record-pulse {
    animation: record-pulse 1s ease-in-out 3;
}
@keyframes record-pulse {
    0%, 100% { box-shadow: none; }
    50%       { box-shadow: 0 0 16px rgba(255,215,0,.6); }
}

/* Gameover panel enhancements */
.gameover-panel { text-align: center; }
.final-score, .final-best { margin: 4px 0; font-size: 16px; }

/* ══════════════════════════════════════════════════════════════
   GAME TOAST (in-game notifications)
══════════════════════════════════════════════════════════════ */

.game-toast, #gameToast {
    position: absolute;
    bottom: calc(var(--tray-h) + 16px);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(20,12,6,.92);
    border: 1.5px solid var(--c-panel-border);
    color: var(--c-accent);
    padding: 8px 18px;
    border-radius: 20px;
    z-index: 30;
    font-weight: 700;
    font-size: 14px;
    pointer-events: none;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s;
}
.game-toast.toast-show, #gameToast.toast-show { opacity: 1; }
.game-toast.toast-hide, #gameToast.toast-hide { opacity: 0; }