:root{--felt: #1f6b45;--felt-dark: #17563a;--ink: #1c2530;--muted: #5b6875;--line: #d7dde3;--panel: #ffffff;--bg: #eef1f4;--accent: #2f6fed;--accent-dark: #1f57c8;--red: #c62828;--black: #1c2530;--gold: #f2c14e;--shadow: 0 1px 3px rgba(0, 0, 0, .14), 0 4px 12px rgba(0, 0, 0, .08);font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.app{max-width:1000px;margin:0 auto;padding:20px 16px 60px}.app__header{text-align:center;margin-bottom:18px}.app__title{margin:0;font-size:26px;letter-spacing:.2px}.app__tagline{margin:4px 0 0;color:var(--muted);font-size:14px}.btn{border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:9px 16px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;box-shadow:var(--shadow);transition:transform .05s ease,background .15s ease,border-color .15s}.btn:hover:not(:disabled){border-color:#b9c2cc}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.btn--primary{background:var(--accent);border-color:var(--accent-dark);color:#fff}.btn--primary:hover:not(:disabled){background:var(--accent-dark)}.btn--ghost{background:transparent;box-shadow:none}.link-btn{border:none;background:none;color:var(--muted);cursor:pointer;font-size:12px;text-decoration:underline;padding:0 2px}.link-btn:hover{color:var(--ink)}.card{--w: 46px;width:var(--w);height:calc(var(--w) * 1.4);border-radius:7px;border:1px solid #c9d0d7;background:#fff;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:0;cursor:default;font-weight:700;line-height:1;-webkit-user-select:none;user-select:none;flex:none}.card--sm{--w: 34px;border-radius:6px}.card--md{--w: 46px}.card--lg{--w: 54px;border-radius:9px;border-width:1.5px}.card__rank{font-size:calc(var(--w) * .46)}.card__suit{font-size:calc(var(--w) * .5)}.card--red{color:var(--red)}.card--black{color:var(--black)}.card--clickable{cursor:pointer;transition:transform .06s ease,box-shadow .12s ease}.card--clickable:hover{transform:translateY(-3px);box-shadow:0 4px 10px #0003}.card--dimmed{opacity:.32}.card--selected{outline:2px solid var(--accent);outline-offset:1px}.card--disabled{cursor:default}.suit--red{color:var(--red)}.suit--black{color:var(--black)}.deal-board,.play-board{display:grid;gap:10px;background:var(--felt);background-image:radial-gradient(circle at 50% 40%,var(--felt) 0%,var(--felt-dark) 100%);border-radius:16px;padding:18px;box-shadow:inset 0 0 0 4px #ffffff0f,var(--shadow)}.deal-board{grid-template-columns:200px minmax(180px,1fr) 268px;grid-template-rows:150px 150px auto;grid-template-areas:".  n  ." 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