:root{color-scheme:light;--color-primary: #3eeab0;--color-bg: #f6f8f7;--color-surface: #ffffff;--color-text: #0f172a;--color-muted: #64748b;--color-border: rgba(15, 23, 42, .08);--radius-sm: 12px;--radius-md: 16px;--radius-lg: 20px;--shadow-sm: 0 10px 28px rgba(16, 24, 40, .08)}@media(prefers-color-scheme:dark){:root{color-scheme:dark;--color-bg: #0b0f14;--color-surface: rgba(17, 22, 28, .7);--color-text: #e6edf3;--color-muted: rgba(230, 237, 243, .6);--color-border: rgba(148, 163, 184, .2)}}html,body{height:100%}body{margin:0;font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);-webkit-tap-highlight-color:transparent}*,*:before,*:after{box-sizing:border-box}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:100%;max-width:520px;margin:0 auto;padding:0 16px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:16px;padding:14px 16px;font-weight:700;cursor:pointer;transition:transform .12s ease,filter .12s ease,opacity .12s ease;-webkit-user-select:none;user-select:none}.btn:active{transform:scale(.98)}.btn-primary{background:var(--color-primary);color:#062318;box-shadow:0 18px 40px #3eeab040}.btn-ghost{background:transparent;color:var(--color-text);border:1px solid var(--color-border)}.field{display:grid;gap:8px}.label{font-size:12px;font-weight:700;color:var(--color-text)}.input{height:52px;border-radius:16px;border:1px solid rgba(62,234,176,.25);background:#ffffffbf;padding:0 14px;outline:none}@media(prefers-color-scheme:dark){.input{background:#11211ca6;border-color:#3eeab033}}.input:focus{border-color:#3eeab0e6;box-shadow:0 0 0 6px #3eeab02e}.helper{font-size:12px;color:var(--color-muted)}