:root { font-family: system-ui, sans-serif; color: #273d38; background: #eef4e9; line-height: 1.55; }
* { box-sizing: border-box; } body { margin: 0; } main { max-width: 760px; margin: auto; padding: 1.5rem; }
a { color: #17564d; } h1 { margin-bottom: .25rem; } svg { display: block; width: min(100%, 420px); height: auto; background: #e1efe2; border-radius: .8rem; margin: 1rem 0; }
button, select { font: inherit; min-height: 48px; border: 2px solid #436760; border-radius: .6rem; background: white; color: #203b38; padding: .55rem .8rem; cursor: pointer; }
button:focus-visible, select:focus-visible, a:focus-visible { outline: 3px solid #b35d20; outline-offset: 2px; }
button:disabled { opacity: .8; cursor: default; } button[aria-pressed='true'] { background: #c5e5d2; }
fieldset { border: 0; padding: 0; margin: 1rem 0; } legend { font-weight: 700; } .slots, .controls { display: flex; flex-wrap: wrap; gap: .5rem; }
.result { margin-top: 1rem; padding: 1rem; background: #d6ecda; border-radius: .75rem; }