:root{
	--bg:#f7f7fb;
	--card:#ffffff;
	--accent:#4a90e2;
	--text:#111;
}

/* 다크모드 */
body.dark-mode{
	--bg:#1a1a1e;
	--card:#2d2d31;
	--accent:#5ba3f5;
	--text:#e8e8e8;
}

html {
	color-scheme: light;
}

body.dark-mode html {
	color-scheme: dark;
}
*{box-sizing:border-box}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,'Noto Sans KR',Arial;line-height:1.4;margin:0;background:var(--bg);color:var(--text);transition:background-color 0.3s,color 0.3s}
.container{max-width:760px;margin:36px auto;padding:24px}
.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
h1{margin:0;font-size:1.6rem}
.theme-toggle{background:transparent;color:var(--text);border:2px solid var(--accent);padding:8px 12px;font-size:1.2rem;cursor:pointer;border-radius:8px;transition:all 0.3s}
.theme-toggle:hover{background:var(--accent);color:var(--card)}
.controls{display:flex;gap:8px;align-items:center;margin-bottom:16px}
input[type=number]{width:64px;padding:6px;border:1px solid #dcdce0;border-radius:6px}
button{background:var(--accent);color:#fff;padding:8px 12px;border:none;border-radius:8px;cursor:pointer}
button#clearBtn{background:#666}
.results{display:flex;flex-direction:column;gap:12px}
.ticket{background:var(--card);padding:12px;border-radius:10px;display:flex;align-items:center;gap:12px;box-shadow:0 1px 4px rgba(10,10,20,0.06)}
.numbers{display:flex;gap:8px;align-items:center}
.ball{width:42px;height:42px;border-radius:50%;display:inline-grid;place-items:center;font-weight:600;color:var(--text)}
.bonus{margin-left:8px;padding:6px 10px;border-radius:12px;background:#ffe9b3;color:#5a3c00;font-weight:600}
.note{margin-top:18px;color:#555;font-size:0.95rem}
body.dark-mode .note{color:#aaa}

.divider{margin:32px 0;border:none;border-top:1px solid #ddd;background:transparent}
body.dark-mode .divider{border-top-color:#444}

.contact-section{margin-top:32px}
.contact-section h2{margin:0 0 12px;font-size:1.4rem}
.contact-desc{color:#666;margin-bottom:20px;font-size:0.95rem}
body.dark-mode .contact-desc{color:#aaa}

.contact-form{display:flex;flex-direction:column;gap:16px;max-width:500px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-weight:600;color:var(--text)}
.form-group input,.form-group textarea{padding:10px;border:1px solid #ddd;border-radius:6px;font-family:inherit;font-size:1rem;background:var(--card);color:var(--text);transition:all 0.3s}
body.dark-mode .form-group input,body.dark-mode .form-group textarea{border-color:#555}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(74,144,226,0.1)}

.submit-btn{background:var(--accent);color:#fff;padding:10px 16px;border:none;border-radius:8px;cursor:pointer;font-weight:600;transition:all 0.3s}
.submit-btn:hover{opacity:0.9;transform:translateY(-1px)}
.meta{margin-left:auto;display:flex;gap:8px}
.small-btn{background:#eee;color:#111;padding:6px 8px;border-radius:8px;font-size:0.9rem;border:0;cursor:pointer;transition:all 0.3s}
body.dark-mode .small-btn{background:#444;color:var(--text)}

/* ball colors by range */
.c-yellow{background:#ffd54f}
.c-blue{background:#90caf9}
.c-red{background:#ef9a9a}
.c-green{background:#a5d6a7}
.c-purple{background:#ce93d8}

@media (max-width:480px){.ball{width:36px;height:36px;font-size:0.9rem}}