:root{--brand: #0b7a5a;--ink: #1a1f1c;--muted: #66706a;--line: #d9dfdb;--card: #f4f7f5;--bg: #ffffff;--green: #1a7f37;--red: #c62828;font-family:system-ui,Noto Sans Malayalam,Noto Sans,sans-serif}@media(prefers-color-scheme:dark){:root{--brand: #3ecf9f;--ink: #eef2ef;--muted: #9aa59f;--line: #2c3430;--card: #1a201d;--bg: #111513;--green: #5fd17d;--red: #ff7b72}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.5}header{display:flex;justify-content:space-between;align-items:center;gap:.5rem;flex-wrap:wrap;padding:.6rem 16px;border-bottom:1px solid var(--line);padding-top:max(.6rem,env(safe-area-inset-top))}.brand{font-weight:700;font-size:1.3rem;color:var(--brand);text-decoration:none}nav{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}nav a{color:var(--ink);text-decoration:none;padding:.4rem .6rem;border-radius:8px}nav a.on{background:var(--card);font-weight:600}main{max-width:960px;margin:0 auto;padding:16px;padding-bottom:max(16px,env(safe-area-inset-bottom))}h1{font-size:1.4rem;margin:.5rem 0 1rem}h2{font-size:1.1rem;margin:0 0 .5rem}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1rem;margin-bottom:1rem}.muted{color:var(--muted)}label{display:flex;flex-direction:column;gap:.25rem;font-size:.9rem}input,select,textarea,button,.btn{font:inherit}input,select,textarea{padding:.6rem;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);min-height:44px;width:100%}button,.btn{padding:.55rem 1rem;min-height:44px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}button.primary,.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}button:disabled{opacity:.5;cursor:not-allowed}:focus-visible{outline:3px solid var(--brand);outline-offset:2px}a{color:var(--brand)}header nav button,header nav a{min-height:40px;padding:.3rem .7rem}