:root{--green: #003c33;--green-2: #0a5347;--coral: #ff7759;--coral-2: #ff8f76;--canvas: #f6f4ef;--card: #ffffff;--ink: #14201d;--muted: #6b7d78;--line: #e4e0d8;--blue: #2f6fed;--radius: 18px;--shadow: 0 2px 10px rgba(0, 60, 51, .08)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,sans-serif;background:var(--canvas);color:var(--ink)}h1,h2,h3,.brand{font-family:Space Grotesk,sans-serif}button{font-family:inherit;cursor:pointer}a{color:inherit;text-decoration:none}.btn{border:none;border-radius:12px;padding:10px 18px;font-weight:600;font-size:14px;transition:transform .06s,filter .15s}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--coral);color:#2a1109}.btn-primary:hover{filter:brightness(1.05)}.btn-dark{background:var(--green);color:#fff}.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}.btn-danger{background:#fdecea;color:#c0392b}.btn-sm{padding:6px 12px;font-size:13px;border-radius:9px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.row{display:flex;gap:16px;flex-wrap:wrap}.grid{display:grid;gap:16px}.muted{color:var(--muted)}.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}.pill-green{background:#e3f1ec;color:var(--green)}.pill-coral{background:#ffe7e0;color:#c0432a}.pill-blue{background:#e4edfd;color:var(--blue)}.pill-amber{background:#fff3da;color:#9a6b00}.login-wrap{min-height:100vh;display:grid;place-items:center;background:var(--green)}.login-card{width:380px;background:var(--card);border-radius:24px;padding:36px;box-shadow:0 20px 60px #00000040}.logo-q{width:64px;height:64px;border-radius:18px;background:var(--coral);color:var(--green);display:grid;place-items:center;font-family:Space Grotesk;font-weight:700;font-size:38px;margin-bottom:14px}.toggle{display:flex;background:var(--canvas);border-radius:12px;padding:4px;margin:16px 0}.toggle button{flex:1;border:none;background:transparent;padding:9px;border-radius:9px;font-weight:600;color:var(--muted)}.toggle button.active{background:var(--green);color:#fff}.field{margin-bottom:12px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:11px;font-size:14px;font-family:inherit;background:#fff}.field input:focus,.field select:focus{outline:2px solid var(--coral-2);border-color:transparent}.err{color:#c0392b;font-size:13px;margin:8px 0}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.side{background:var(--green);color:#fff;padding:22px 16px}.side .brand{font-size:22px;display:flex;align-items:center;gap:10px;margin-bottom:4px}.side .slogan{color:#9dc3b9;font-size:12px;margin-bottom:24px;padding-left:2px}.nav-item{display:flex;align-items:center;gap:10px;padding:11px 13px;border-radius:11px;color:#cfe3dd;font-weight:500;margin-bottom:4px}.nav-item:hover{background:#ffffff0f}.nav-item.active{background:var(--coral);color:#2a1109;font-weight:600}.nav-badge{margin-left:auto;background:#fff;color:var(--coral);font-size:11px;font-weight:700;border-radius:999px;padding:1px 7px}.main{padding:28px 34px;overflow:auto}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.topbar h1{font-size:24px}.topbar .sub{color:var(--muted);font-size:13px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);font-size:14px}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}.stat{flex:1;min-width:150px}.stat .num{font-family:Space Grotesk;font-size:34px;font-weight:700}.stat .lbl{color:var(--muted);font-size:13px}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#001e1973;display:grid;place-items:center;z-index:100;padding:20px}.modal{background:#fff;border-radius:20px;padding:26px;width:440px;max-width:100%;max-height:90vh;overflow:auto}.modal h2{margin-bottom:16px}.center-loading{min-height:100vh;display:grid;place-items:center;color:var(--muted)}.empty{text-align:center;color:var(--muted);padding:40px}.flash{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:var(--green);color:#fff;padding:12px 20px;border-radius:12px;box-shadow:var(--shadow);z-index:200}.game-card{cursor:pointer;transition:transform .1s}.game-card:hover{transform:translateY(-3px)}.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:420px}.memory-cell{aspect-ratio:1;border-radius:14px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:30px;cursor:pointer}.memory-cell.flipped{background:var(--coral)}