/* ================================================================
   DESIGN TOKENS
   ================================================================ */
:root {
    --bg-base:#0a0a1a;--bg-gradient-1:rgba(99,60,180,0.40);--bg-gradient-2:rgba(30,80,160,0.35);
    --bg-gradient-3:rgba(167,139,250,0.20);--bg-gradient-4:rgba(56,189,248,0.15);
    --bg-orb:rgba(167,139,250,0.08);--bg-hue-shift:25deg;
    --glass:rgba(255,255,255,0.06);--glass-border:rgba(255,255,255,0.10);
    --glass-hover:rgba(255,255,255,0.12);--glass-input:rgba(255,255,255,0.04);--glass-blur:20px;
    --txt:#f0f0f5;--txt-dim:rgba(255,255,255,0.42);--txt-faint:rgba(255,255,255,0.18);
    --accent:#a78bfa;--accent-hover:#8b5cf6;--accent-glow:rgba(167,139,250,0.30);
    --accent-soft:rgba(167,139,250,0.12);--accent-border:rgba(167,139,250,0.40);
    --accent-border-focus:rgba(167,139,250,0.70);--accent-input-bg:rgba(167,139,250,0.08);
    --accent-input-bg-focus:rgba(167,139,250,0.12);
    --accent-gradient:linear-gradient(135deg,var(--accent) 0%,var(--accent-hover) 100%);
    --green:#6ee7b7;--green-glow:rgba(110,231,183,0.25);--green-border:rgba(110,231,183,0.35);
    --red:#fb7185;--red-glow:rgba(251,113,133,0.25);--red-border:rgba(251,113,133,0.30);
    --blue:#7dd3fc;--blue-glow:rgba(125,211,252,0.20);--blue-border:rgba(125,211,252,0.35);
    --yellow:#fbbf24;--yellow-glow:rgba(251,191,36,0.30);
    --font:'Outfit',-apple-system,sans-serif;--mono:'JetBrains Mono',monospace;
    --tile-size:52px;--tile-size-sm:40px;--tile-radius:12px;--tile-font:20px;--tile-font-sm:16px;--tile-gap:6px;
    --btn-radius:14px;--btn-radius-sm:12px;--card-radius:16px;--toast-radius:14px;
    --game-max-width:420px;--game-pad-x:18px;--game-pad-y:14px;
    --ease-out:cubic-bezier(0.4,0,0.2,1);--duration-fast:0.2s;--duration-med:0.3s;--duration-slow:0.4s;
    --divider:rgba(255,255,255,0.06);
}

/* ================================================================
   RESET & BASE
   ================================================================ */
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);min-height:100vh;overflow-x:hidden;color:var(--txt);background:var(--bg-base)}
input:focus{outline:none}::selection{background:var(--accent-soft)}button{font-family:var(--font)}

/* ================================================================
   BACKGROUND & AMBIENCE
   ================================================================ */
body::before{content:'';position:fixed;inset:0;z-index:-2;background:
    radial-gradient(ellipse 80% 60% at 20% 20%,var(--bg-gradient-1) 0%,transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 80%,var(--bg-gradient-2) 0%,transparent 60%),
    radial-gradient(ellipse 50% 50% at 60% 10%,var(--bg-gradient-3) 0%,transparent 50%),
    radial-gradient(ellipse 40% 40% at 10% 90%,var(--bg-gradient-4) 0%,transparent 50%);
    animation:bgShift 20s ease-in-out infinite alternate}
body::after{content:'';position:fixed;width:500px;height:500px;border-radius:50%;
    background:radial-gradient(circle,var(--bg-orb) 0%,transparent 70%);top:-100px;right:-100px;z-index:-1;
    animation:orbFloat 15s ease-in-out infinite alternate}
#noise{position:fixed;inset:0;z-index:-1;opacity:0.03;pointer-events:none;
    background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:128px}

/* ================================================================
   KEYFRAMES
   ================================================================ */
@keyframes bgShift{0%{filter:hue-rotate(0deg)}100%{filter:hue-rotate(var(--bg-hue-shift))}}
@keyframes orbFloat{0%{transform:translate(0,0) scale(1)}100%{transform:translate(-60px,80px) scale(1.2)}}
@keyframes slideUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes popIn{0%{opacity:0;transform:scale(0.9)}60%{transform:scale(1.02)}100%{opacity:1;transform:scale(1)}}
@keyframes shimmer{0%{background-position:-200% center}100%{background-position:200% center}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes countUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

/* ================================================================
   TILES
   ================================================================ */
.tile{width:var(--tile-size);height:var(--tile-size);display:flex;align-items:center;justify-content:center;
    border-radius:var(--tile-radius);font-size:var(--tile-font);font-weight:700;font-family:var(--mono);
    text-transform:uppercase;letter-spacing:0.5px;transition:all var(--duration-med) var(--ease-out);
    background:var(--glass-input);border:1px solid var(--glass-border);color:var(--txt)}
.tile.target{background:var(--blue-glow);border-color:var(--blue-border);color:var(--blue);text-shadow:0 0 12px var(--blue-glow)}
.tile.correct{background:var(--green-glow);border-color:var(--green-border);color:var(--green);text-shadow:0 0 12px var(--green-glow)}
.tile.sm{width:var(--tile-size-sm);height:var(--tile-size-sm);font-size:var(--tile-font-sm)}
.tile-row{display:flex;gap:var(--tile-gap);justify-content:center}
.arrow{color:var(--txt-faint);font-size:11px;text-align:center;line-height:1}

/* ================================================================
   BUTTONS
   ================================================================ */
.btn-accent{width:100%;padding:14px 24px;border-radius:var(--btn-radius);border:none;background:var(--accent-gradient);
    color:#fff;font-size:15px;font-weight:700;cursor:pointer;letter-spacing:0.3px;box-shadow:0 4px 24px var(--accent-glow);transition:all var(--duration-fast) ease}
.btn-accent:hover{box-shadow:0 6px 32px rgba(167,139,250,0.4);transform:translateY(-1px)}
.btn-accent:active{transform:scale(0.98) translateY(0)}
.btn-accent--auto{width:auto;padding:11px 24px}
.btn-accent:disabled{opacity:0.5;cursor:default;transform:none!important}
.btn-glass{padding:11px 22px;border-radius:var(--btn-radius-sm);border:1px solid var(--glass-border);background:var(--glass);
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:var(--txt);font-size:14px;font-weight:600;cursor:pointer;transition:all var(--duration-fast) ease}
.btn-glass:hover{background:var(--glass-hover);border-color:rgba(255,255,255,0.2)}
.btn-glass--full{width:100%}
.btn-ghost{padding:11px 22px;border-radius:var(--btn-radius-sm);border:1px solid rgba(255,255,255,0.08);
    background:transparent;color:var(--txt-dim);font-size:14px;cursor:pointer;transition:all var(--duration-fast) ease}
.btn-ghost:hover{background:rgba(255,255,255,0.04);color:var(--txt)}
.btn-link{background:none;border:none;color:var(--txt-dim);cursor:pointer;font-size:14px;font-family:var(--font);font-weight:500;transition:color var(--duration-fast)}
.btn-link:hover{color:var(--txt)}

/* ================================================================
   MODE CARDS
   ================================================================ */
.mode-card{padding:20px 24px;border-radius:var(--card-radius);border:1px solid var(--glass-border);background:var(--glass);
    backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));cursor:pointer;display:flex;
    align-items:center;gap:16px;text-align:left;transition:all var(--duration-med) var(--ease-out);width:100%;position:relative;overflow:hidden}
.mode-card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--accent-soft) 0%,transparent 60%);opacity:0;transition:opacity var(--duration-med)}
.mode-card:hover:not(:disabled)::before{opacity:1}
.mode-card:hover:not(:disabled){border-color:var(--accent-border);transform:translateY(-2px);box-shadow:0 8px 32px rgba(0,0,0,0.2)}
.mode-card.accent{border-color:rgba(167,139,250,0.25);background:var(--accent-input-bg)}
.mode-card.accent::before{opacity:1}
.mode-card:disabled{opacity:0.4;cursor:default}
.mode-card__icon{color:white}.mode-card__content{position:relative;z-index:1}
.mode-card__title{font-size:17px;font-weight:700;color:var(--txt)}
.mode-card__title--done{color:var(--txt-dim)}
.mode-card__desc{font-size:13px;color:var(--txt-dim);margin-top:2px}

/* ================================================================
   TOAST
   ================================================================ */
.toast{position:fixed;bottom:280px;left:50%;transform:translateX(-50%);z-index:99;padding:12px 28px;
    border-radius:var(--toast-radius);font-size:13px;font-weight:600;font-family:var(--mono);
    backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid}
.toast.error{background:rgba(251,113,133,0.15);border-color:var(--red-border);color:var(--red);box-shadow:0 8px 32px var(--red-glow)}
.toast.success{background:rgba(110,231,183,0.15);border-color:var(--green-border);color:var(--green);box-shadow:0 8px 32px var(--green-glow)}

/* ================================================================
   TIMER & STOPWATCH
   ================================================================ */
.timer{display:flex;align-items:center;gap:12px;width:100%;padding:10px 14px;
    border-radius:var(--btn-radius-sm);background:var(--glass-input);border:1px solid var(--divider);flex-shrink:0}
.timer__track{flex:1;height:4px;background:var(--divider);border-radius:3px;overflow:hidden}
.timer__fill{height:100%;border-radius:3px;transition:width 1s linear;box-shadow:0 0 8px var(--green-glow)}
.timer__num{font-family:var(--mono);font-size:20px;font-weight:700;min-width:32px;text-align:right}

.stopwatch{display:flex;align-items:center;justify-content:center;gap:8px;
    padding:8px 14px;border-radius:var(--btn-radius-sm);background:var(--glass-input);border:1px solid var(--divider);flex-shrink:0}
.stopwatch__num{font-family:var(--mono);font-size:18px;font-weight:600;color:var(--accent);min-width:56px;text-align:center}
.stopwatch__label{font-size:10px;color:var(--txt-dim);text-transform:uppercase;letter-spacing:1.5px;font-family:var(--mono)}

/* ================================================================
   GAME LAYOUT
   ================================================================ */
.chain-area{flex:1 1 0;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column;gap:4px;align-items:center;padding:8px 0;
    scrollbar-width:thin;scrollbar-color:rgba(255,255,255,0.1) transparent}
.chain-area::-webkit-scrollbar{width:4px}.chain-area::-webkit-scrollbar-track{background:transparent}
.chain-area::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.1);border-radius:2px}
.chain-area--replay{max-height:40vh;margin-bottom:16px}
.word-entry{display:flex;flex-direction:column;align-items:center;gap:3px}
.word-entry.animated{animation:slideUp var(--duration-med) var(--ease-out)}

.input-zone{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:4px;
    padding-top:8px;border-top:1px solid var(--divider);background:transparent}
.input-zone .arrow{margin-bottom:1px}
.input-zone .tile-row{margin-bottom:2px}

/* ================================================================
   SCREENS
   ================================================================ */
.screen-menu{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:24px;animation:fadeIn 0.6s ease}
.screen-game{display:flex;flex-direction:column;height:100vh;height:100dvh;max-width:var(--game-max-width);margin:0 auto;padding:var(--game-pad-y) var(--game-pad-x);overflow:hidden;position:fixed;inset:0;width:100%}
.screen-game--centered{position:static;justify-content:center;height:auto;min-height:100vh;overflow:auto}
.menu-header{margin-bottom:48px;text-align:center}
.menu-modes{display:flex;flex-direction:column;gap:12px;width:100%;max-width:380px}
.title{font-size:52px;font-weight:800;letter-spacing:-2px;line-height:1.1;
    background:linear-gradient(135deg,var(--txt) 0%,var(--accent) 50%,var(--blue) 100%);background-size:200% auto;
    -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:shimmer 6s ease-in-out infinite}
.subtitle{color:var(--txt-dim);font-size:16px;margin-top:12px;letter-spacing:0.5px}

/* ================================================================
   GAME HEADER & INFO BAR
   ================================================================ */
.game-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:var(--game-pad-y);
    border-bottom:1px solid var(--divider);margin-bottom:8px;flex-shrink:0}
.game-mode-badge{font-size:11px;color:var(--txt-dim);text-transform:uppercase;letter-spacing:2px;font-family:var(--mono);
    font-weight:500;padding:4px 12px;border-radius:8px;background:var(--glass-input);border:1px solid var(--divider)}
.game-score-wrap{display:flex;align-items:baseline}
.score-display{font-family:var(--mono);font-size:24px;font-weight:700;background:linear-gradient(135deg,var(--accent),#c084fc);
    -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.score-label{font-size:10px;color:var(--txt-dim);font-family:var(--mono);margin-left:3px}

.info-bar{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-shrink:0}
.info-bar > *{flex:1}
.target-bar{display:flex;align-items:center;justify-content:center;gap:10px;
    padding:10px 14px;border-radius:var(--btn-radius);background:var(--glass);backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);flex-shrink:0}
.target-bar__label{font-size:10px;color:var(--txt-dim);text-transform:uppercase;letter-spacing:1.5px;font-family:var(--mono);font-weight:600}
.target-bar--inline{flex:none}

.no-moves-warning{text-align:center;font-size:12px;font-family:var(--mono);margin-bottom:6px;color:var(--red);text-shadow:0 0 8px var(--red-glow);flex-shrink:0}

.game-actions{display:flex;gap:8px;flex-shrink:0;padding-top:4px}
.game-actions .btn-accent{flex:1}
.game-actions .btn-glass{flex:0 0 auto;white-space:nowrap}

/* ================================================================
   GAME OVER
   ================================================================ */
.over-hero{text-align:center;animation:fadeIn var(--duration-slow) ease;padding:20px 0}
.over-icon{font-size:40px;margin-bottom:10px;filter:drop-shadow(0 4px 12px rgba(0,0,0,0.3))}
.over-title{font-size:28px;font-weight:800;letter-spacing:-0.5px}
.over-detail{color:var(--txt-dim);font-size:13px;font-family:var(--mono);margin-top:4px}
.over-actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;padding-top:12px;border-top:1px solid var(--divider)}
.share-confirm{font-size:13px;font-family:var(--mono);color:var(--green)}
#shareConfirm{text-align:center;margin-top:8px}

/* ================================================================
   MODAL
   ================================================================ */
.modal-overlay{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,0.6);
    backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;align-items:center;
    justify-content:center;padding:20px;animation:fadeIn 0.15s ease}
.modal{width:100%;max-width:400px;background:linear-gradient(145deg,rgba(20,20,40,0.97),rgba(12,12,30,0.99));
    border:1px solid var(--glass-border);border-radius:20px;padding:28px 24px;animation:popIn 0.25s var(--ease-out);
    max-height:85vh;overflow-y:auto;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,0.1) transparent}
.modal::-webkit-scrollbar{width:4px}.modal::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.1);border-radius:2px}
.modal__title{font-size:20px;font-weight:800;text-align:center;margin-bottom:4px}
.modal__sub{font-size:13px;color:var(--txt-dim);text-align:center;margin-bottom:20px}
.modal__input{width:100%;padding:12px 16px;border-radius:var(--btn-radius-sm);border:1.5px solid var(--accent-border);
    background:var(--accent-input-bg);color:var(--accent);font-size:16px;font-weight:600;font-family:var(--mono);
    text-align:center;caret-color:var(--accent);transition:all var(--duration-fast) ease}
.modal__input:focus{border-color:var(--accent-border-focus);background:var(--accent-input-bg-focus);box-shadow:0 0 20px rgba(167,139,250,0.15)}
.modal__input::placeholder{color:var(--txt-faint);font-weight:400}
.modal__row{display:flex;gap:8px;margin-top:16px}
.modal__row .btn-accent{flex:1}.modal__row .btn-ghost{flex:0 0 auto}
.modal__err{font-size:12px;color:var(--red);font-family:var(--mono);text-align:center;margin-top:8px;min-height:18px}

/* ================================================================
   LEADERBOARD
   ================================================================ */
.lb-tabs{display:flex;gap:4px;margin-bottom:14px;background:var(--glass-input);border-radius:10px;padding:3px;border:1px solid var(--divider)}
.lb-tab{flex:1;padding:8px 10px;border-radius:8px;border:none;background:transparent;color:var(--txt-dim);
    font-size:11px;font-weight:600;font-family:var(--mono);cursor:pointer;transition:all var(--duration-fast) ease;
    text-transform:uppercase;letter-spacing:0.5px}
.lb-tab:hover{color:var(--txt)}
.lb-tab.active{background:var(--accent-soft);color:var(--accent);box-shadow:0 2px 8px rgba(167,139,250,0.15)}
.lb-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:2px;font-family:var(--mono);
    color:var(--txt-dim);text-align:center;margin-bottom:12px}
.lb-list{display:flex;flex-direction:column;gap:4px}
.lb-entry{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:10px;
    background:var(--glass-input);border:1px solid transparent;transition:all var(--duration-fast) ease;
    animation:countUp 0.3s var(--ease-out) both}
.lb-entry:nth-child(1){animation-delay:0.03s}.lb-entry:nth-child(2){animation-delay:0.06s}
.lb-entry:nth-child(3){animation-delay:0.09s}.lb-entry:nth-child(4){animation-delay:0.12s}
.lb-entry:nth-child(5){animation-delay:0.15s}.lb-entry:nth-child(6){animation-delay:0.18s}
.lb-entry:nth-child(7){animation-delay:0.21s}.lb-entry:nth-child(8){animation-delay:0.24s}
.lb-entry:nth-child(9){animation-delay:0.27s}.lb-entry:nth-child(10){animation-delay:0.3s}
.lb-entry--me{border-color:var(--accent-border);background:var(--accent-input-bg)}
.lb-entry--gold{border-color:rgba(251,191,36,0.3)}.lb-entry--silver{border-color:rgba(192,192,210,0.25)}
.lb-entry--bronze{border-color:rgba(205,127,50,0.25)}
.lb-rank{font-family:var(--mono);font-size:13px;font-weight:700;min-width:26px;text-align:center;color:var(--txt-dim)}
.lb-rank--1{color:var(--yellow)}.lb-rank--2{color:#c0c0d2}.lb-rank--3{color:#cd7f32}
.lb-name{flex:1;font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb-val{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--accent)}
.lb-empty{text-align:center;padding:24px 16px;color:var(--txt-faint);font-size:13px;font-family:var(--mono)}
.lb-loading{text-align:center;padding:20px;color:var(--txt-dim);font-size:13px;font-family:var(--mono)}
.lb-loading::after{content:'';display:inline-block;width:12px;height:12px;border:2px solid var(--txt-faint);
    border-top-color:var(--accent);border-radius:50%;margin-left:8px;vertical-align:middle;animation:spin 0.8s linear infinite}

.menu-lb-btn{margin-top:20px;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;
    border-radius:var(--btn-radius-sm);border:1px solid var(--glass-border);background:var(--glass);
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:var(--txt-dim);font-size:14px;
    font-weight:600;cursor:pointer;transition:all var(--duration-fast) ease;width:100%;max-width:380px}
.menu-lb-btn:hover{background:var(--glass-hover);color:var(--txt);border-color:rgba(255,255,255,0.2)}

/* ================================================================
   ACTIVE TILES (replaces tile-input — display-only, cursor-driven)
   ================================================================ */
.tile-active{width:var(--tile-size);height:var(--tile-size);display:flex;align-items:center;justify-content:center;
    border-radius:var(--tile-radius);font-size:var(--tile-font);font-weight:700;font-family:var(--mono);
    text-transform:uppercase;letter-spacing:0.5px;transition:all var(--duration-fast) ease;
    background:var(--accent-input-bg);border:1.5px solid var(--accent-border);color:var(--accent);cursor:pointer;
    user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}
.tile-active--cursor{border-color:var(--accent-border-focus);box-shadow:0 0 20px rgba(167,139,250,0.18),inset 0 0 12px rgba(167,139,250,0.06);
    background:var(--accent-input-bg-focus);animation:cursorPulse 1.2s ease-in-out infinite}
.tile-active--pop{animation:tilePop 0.15s var(--ease-out)}
@keyframes cursorPulse{0%,100%{box-shadow:0 0 20px rgba(167,139,250,0.18),inset 0 0 12px rgba(167,139,250,0.06)}50%{box-shadow:0 0 28px rgba(167,139,250,0.30),inset 0 0 16px rgba(167,139,250,0.10)}}
@keyframes tilePop{0%{transform:scale(1)}50%{transform:scale(1.1)}100%{transform:scale(1)}}

/* ================================================================
   ON-SCREEN KEYBOARD
   ================================================================ */
.keyboard{flex-shrink:0;display:flex;flex-direction:column;gap:6px;padding:8px 0 env(safe-area-inset-bottom,4px) 0;
    width:100%;max-width:var(--game-max-width);user-select:none;-webkit-user-select:none}
.kb-row{display:flex;gap:5px;justify-content:center}
.kb-key{height:52px;min-width:0;flex:1;max-width:44px;border:none;border-radius:8px;
    background:rgba(255,255,255,0.15);color:var(--txt);font-family:var(--font);font-size:14px;font-weight:700;
    cursor:pointer;display:flex;align-items:center;justify-content:center;
    transition:background var(--duration-fast) ease;
    -webkit-tap-highlight-color:transparent;touch-action:manipulation}
.kb-key:active{background:rgba(255,255,255,0.30);transform:scale(0.95)}
.kb-key--wide{flex:1.5;max-width:66px;font-size:11px;letter-spacing:0.5px;font-weight:800}
.kb-key--action{background:var(--accent-soft);color:var(--accent)}
.kb-key--action:active{background:rgba(167,139,250,0.30)}

/* Horizontal row: tiles + undo/finish side by side */
.input-row{display:flex;align-items:center;gap:10px;justify-content:center}
.kb-undo-btn{padding:8px 14px;font-size:12px;white-space:nowrap;flex-shrink:0}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (hover: none) and (pointer: coarse) {
    .tile-active{width:52px;height:52px;font-size:20px}
    .tile{width:52px;height:52px;font-size:20px}
}

/* Small screens: tighten spacing */
@media (max-height: 680px) {
    .game-header{padding-bottom:6px;margin-bottom:4px}
    .info-bar{margin-bottom:4px}
    .target-bar{padding:6px 10px}
    .stopwatch{padding:5px 10px}
    .timer{padding:6px 10px}
    .input-zone{padding-top:6px}
    .chain-area{padding:2px 0}
    .keyboard{gap:4px;padding:4px 0 env(safe-area-inset-bottom,2px) 0}
    .kb-key{height:44px;border-radius:6px;font-size:13px}
    .tile-active{width:44px;height:44px;font-size:17px}
    .tile{width:44px;height:44px;font-size:17px}
    .tile.sm{width:34px;height:34px;font-size:14px}
}

/* Very short screens (iPhone SE etc) */
@media (max-height: 580px) {
    .kb-key{height:38px;font-size:12px}
    .keyboard{gap:3px;padding:2px 0 env(safe-area-inset-bottom,2px) 0}
    .tile-active{width:40px;height:40px;font-size:16px}
    .tile{width:40px;height:40px;font-size:16px}
    .tile.sm{width:30px;height:30px;font-size:12px}
    .game-header{padding-bottom:4px;margin-bottom:2px}
}