:root { color-scheme: light; --ink: #172c2c; --muted: #4c6262; --paper: #f2f5ef; --card: #fff; --accent: #086c58; --line: #ced9d1; --danger: #9c2926; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.6; }
header, main, footer { max-width: 1280px; margin: auto; padding: 2rem; }
header { padding-top: 4rem; padding-bottom: 2.5rem; }
.eyebrow { font-size: .75rem; font-weight: 750; letter-spacing: .16em; color: var(--accent); }
h1 { font-size: clamp(2.5rem, 5.5vw, 4.6rem); line-height: 1.08; letter-spacing: -.055em; margin: 1.25rem 0; font-weight: 760; }
h1 span { color: var(--accent); }
h2 { font-size: 1.35rem; margin: 0; letter-spacing: -.025em; }
h3 { font-size: 1rem; }
p { margin: .6rem 0 1rem; }
.intro { font-size: 1.1rem; max-width: 620px; color: var(--muted); }
.badges { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.5rem; }
.badges span { font-size: .78rem; border: 1px solid var(--line); border-radius: 2rem; padding: .25rem .8rem; background: #e7efe7; }
.notice { padding: 1.2rem 1.4rem; border-left: 4px solid var(--accent); background: #e4eee8; border-radius: .4rem; margin-bottom: 1.5rem; }
.workspace { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 1.5rem; align-items: start; }
.panel { border: 1px solid var(--line); border-radius: 1rem; padding: 1.5rem; margin-bottom: 1.5rem; background: var(--card); }
.section-heading { display: flex; gap: .9rem; margin-bottom: 1.5rem; align-items: start; }
.section-heading p { margin: .2rem 0 0; color: var(--muted); font-size: .9rem; }
.step { background: #e7efe7; color: var(--accent); font-size: .8rem; padding: .25rem .5rem; border-radius: .4rem; font-weight: 700; }
label { display: block; font-weight: 650; font-size: .9rem; margin: 1rem 0 .35rem; }
input, select, textarea, button { font: inherit; }
input:not([type=checkbox]), select, textarea { display: block; width: 100%; padding: .65rem .75rem; margin-top: .35rem; border: 1px solid #99ada3; border-radius: .4rem; background: var(--card); color: var(--ink); min-height: 44px; }
textarea { resize: vertical; }
input[type=checkbox] { width: 1.15rem; height: 1.15rem; accent-color: var(--accent); flex-shrink: 0; margin-top: .2rem; }
.check { display: flex; gap: .65rem; align-items: start; font-weight: 500; }
.help { font-size: .82rem; color: var(--muted); overflow-wrap: anywhere; margin-top: .35rem; }
.required { font-size: .7rem; color: var(--muted); font-weight: 450; margin-left: .4rem; }
details { border-top: 1px solid var(--line); margin-top: 1.3rem; padding-top: 1rem; }
summary { cursor: pointer; font-size: .9rem; font-weight: 650; padding: .25rem 0; min-height: 36px; }
.network { margin: 0 0 1.4rem; border: 1px solid var(--line); border-radius: .6rem; padding: 0 1rem 1rem; min-width: 0; }
legend { font-size: .8rem; text-transform: uppercase; font-weight: 700; letter-spacing: .06em; padding: 0 .5rem; }
button { border: 1px solid transparent; border-radius: .4rem; background: var(--accent); color: white; cursor: pointer; padding: .65rem 1rem; min-height: 44px; font-weight: 650; }
button:hover:not(:disabled) { filter: brightness(.9); }
button:disabled { opacity: .55; cursor: not-allowed; }
.secondary { color: var(--accent); background: #eff5f0; border-color: var(--line); }
.remove { font-size: .8rem; margin-top: 1rem; }
.danger { background: transparent; color: var(--danger); border-color: var(--danger); margin-top: 1.2rem; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.output { position: sticky; top: 1rem; }
#status { padding: .8rem; border-radius: .4rem; font-size: .9rem; background: #edf3ed; }
#errors { padding-left: 1.3rem; max-height: 24rem; overflow-y: auto; }
.error-link { background: none; color: var(--danger); text-align: left; font-weight: 500; font-size: .85rem; padding: .25rem; text-decoration: underline; }
[aria-invalid=true] { border-color: var(--danger) !important; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; font-size: .8rem; padding: 1.2rem; background: #152b2b; color: #e0f1df; border-radius: .6rem; min-height: 220px; max-height: 520px; overflow: auto; }
code { font-size: .9em; overflow-wrap: anywhere; }
a { color: var(--accent); text-underline-offset: .15em; }
:focus-visible { outline: 3px solid #b26200; outline-offset: 3px; }
.guide-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.guide { margin-top: 1rem; }
.guide p { font-size: .9rem; }
footer { font-size: .8rem; color: var(--muted); padding-top: 0; }
.skip { position: absolute; top: -100px; left: 1rem; background: white; padding: 1rem; z-index: 2; }
.skip:focus { top: 1rem; }
@media (max-width: 800px) { .workspace { grid-template-columns: 1fr; } .output { position: static; } header, main, footer { padding-left: 1rem; padding-right: 1rem; } header { padding-top: 2.5rem; } .panel { padding: 1.1rem; } }
@media (max-width: 480px) { .guide-grid { grid-template-columns: 1fr; gap: .5rem; } }
@media (prefers-reduced-motion: no-preference) { button { transition: filter .15s; } }