:root { color-scheme: dark; --bg: #121212; --fg: #ececec; --dim: #8a8a8a; --ok: #7dff9b; --bad: #ff6b6b; --line: #2a2a2a; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 18px/1.4 system-ui, -apple-system, sans-serif; }
header { display: flex; align-items: center; gap: 1rem; padding: 1rem 1.5rem; border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; letter-spacing: .02em; }
.pill { font: 13px ui-monospace, Menlo, monospace; padding: .2rem .6rem; border: 1px solid var(--line); border-radius: 999px; color: var(--dim); }
.pill.on { color: var(--ok); border-color: var(--ok); }
.pill.off { color: var(--bad); border-color: var(--bad); }
.timer { margin-left: auto; font: 700 28px ui-monospace, Menlo, monospace; color: var(--dim); }
.timer.running { color: var(--fg); }
.timer.done { color: var(--ok); }
main { max-width: 720px; margin: 0 auto; padding: 2rem 1.5rem; display: grid; gap: 1.5rem; }
form { display: grid; gap: 1.25rem; }
label { display: grid; gap: .35rem; }
label > span { font-size: 13px; color: var(--dim); text-transform: uppercase; letter-spacing: .08em; }
input, select { font: inherit; font-size: 26px; padding: .5rem .7rem; background: #1a1a1a; color: var(--fg); border: 1px solid var(--line); border-radius: 6px; width: 100%; }
input:focus { outline: 2px solid var(--fg); outline-offset: 1px; }
fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 1rem; }
fieldset:disabled { opacity: .35; }
.dims { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.details { display: grid; gap: .3rem; padding: .8rem 1rem; border: 1px solid var(--line); border-radius: 6px; }
.row { display: flex; gap: 1rem; } .row span { width: 6rem; color: var(--dim); font-size: 14px; text-transform: uppercase; letter-spacing: .08em; padding-top: .2rem; }
.hint { color: var(--dim); font-size: 14px; margin: 0; }
.status-line { font-weight: 600; min-height: 1.6em; }
.status-line.ok { color: var(--ok); } .status-line.bad { color: var(--bad); }
.log { font: 13px/1.5 ui-monospace, Menlo, monospace; color: var(--dim); background: #0d0d0d; border: 1px solid var(--line); border-radius: 6px; padding: .8rem; min-height: 6em; max-height: 14em; overflow: auto; white-space: pre-wrap; margin: .5rem 0 0; }
.log .err { color: var(--bad); }
.settings { position: fixed; right: 1rem; bottom: 1rem; width: 280px; font-size: 14px; background: #161616; border: 1px solid var(--line); border-radius: 8px; padding: .5rem .8rem; }
.settings summary { cursor: pointer; color: var(--dim); font: 13px ui-monospace, Menlo, monospace; }
.settings label { margin-top: .5rem; }
.settings input, .settings select { font-size: 15px; padding: .3rem .5rem; }
.tiny { font-size: 12px; color: var(--dim); }