:root {
  color-scheme: dark;
  --ink: #e7e8e2;
  --paper: #b8bcb7;
  --muted: #7d8785;
  --dim: #4e5958;
  --base: #07100f;
  --panel: #0b1514;
  --panel-light: #101c1a;
  --line: rgba(208, 218, 211, .14);
  --line-strong: rgba(208, 218, 211, .28);
  --oxide: #d66d42;
  --oxide-soft: #ef9a69;
  --signal: #9fc5a8;
  --data: #78b8c7;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Inter", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--base); }
body { min-width: 320px; min-height: 100vh; margin: 0; overflow: hidden; color: var(--paper); background: radial-gradient(circle at 76% 8%, rgba(41, 91, 94, .13), transparent 31rem), radial-gradient(circle at 28% 88%, rgba(122, 67, 44, .07), transparent 38rem), var(--base); font-family: var(--mono); }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(120, 184, 199, .018) 1px, transparent 1px), linear-gradient(90deg, rgba(120, 184, 199, .018) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, black, transparent 78%); }
body[data-terminal-theme="contrast"] { --ink: #fff; --paper: #f4f6f1; --muted: #aeb8b5; --dim: #77827f; --base: #020605; --panel: #050a09; --panel-light: #0a100f; --line: rgba(244, 246, 241, .2); --line-strong: rgba(244, 246, 241, .38); --oxide: #ff7f55; --oxide-soft: #ffae8e; --signal: #b9edc2; --data: #8ed8e8; background: radial-gradient(circle at 76% 8%, rgba(62, 135, 140, .15), transparent 31rem), #020605; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 1px solid var(--oxide-soft); outline-offset: -4px; }

.terminal-nav { height: 76px; position: fixed; inset: 0 0 auto; z-index: 15; display: grid; grid-template-columns: 260px 1fr 210px; align-items: stretch; border-bottom: 1px solid var(--line); background: rgba(7, 16, 15, .86); box-shadow: 0 8px 30px rgba(0, 0, 0, .13); backdrop-filter: blur(18px); }
.terminal-brand { display: flex; align-items: center; gap: 13px; padding: 0 24px; border-right: 1px solid var(--line); }
.brand-mark { width: 35px; height: 35px; display: grid; place-items: center; position: relative; border: 1px solid rgba(120, 184, 199, .42); border-radius: 7px; background: rgba(120, 184, 199, .08); color: var(--ink); font: 600 .75rem var(--mono); }
.brand-mark::after { content: ""; width: 5px; height: 5px; position: absolute; right: 3px; bottom: 3px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 8px var(--signal); }
.terminal-brand > span:last-child { display: block; }
.terminal-brand b, .terminal-brand small { display: block; }
.terminal-brand b { color: var(--ink); font: 600 .72rem var(--mono); letter-spacing: .1em; }
.terminal-brand small { margin-top: 2px; color: var(--muted); font: 500 .52rem var(--mono); letter-spacing: .13em; }
.terminal-telemetry { display: flex; justify-content: flex-end; align-items: center; }
.terminal-telemetry span { height: 100%; min-width: 138px; display: flex; flex-direction: column; justify-content: center; padding: 0 19px; border-left: 1px solid var(--line); color: var(--paper); font: 500 .65rem var(--mono); letter-spacing: .04em; }
.terminal-telemetry small { color: var(--dim); font-size: .5rem; letter-spacing: .13em; }
.site-link { display: flex; align-items: center; justify-content: center; gap: 9px; border-left: 1px solid var(--line); color: var(--signal); font: 600 .59rem var(--mono); letter-spacing: .1em; text-transform: uppercase; transition: color .2s ease, background .2s ease; }
.site-link span { color: var(--oxide-soft); }
.site-link:hover { color: var(--ink); background: rgba(120, 184, 199, .045); }

.terminal-rail { width: 188px; position: fixed; left: 0; top: 76px; bottom: 0; z-index: 10; padding: 42px 27px 28px; border-right: 1px solid var(--line); background: rgba(7, 16, 15, .5); backdrop-filter: blur(10px); }
.terminal-rail > p { margin: 0 0 34px; color: var(--oxide-soft); font: 500 .52rem var(--mono); letter-spacing: .1em; }
.terminal-rail dl { margin: 0; }
.terminal-rail dl div { padding: 13px 0; border-top: 1px solid var(--line); }
.terminal-rail dt { color: var(--dim); font-size: .46rem; letter-spacing: .11em; }
.terminal-rail dd { margin: 3px 0 0; color: var(--paper); font-size: .57rem; letter-spacing: .06em; }
.terminal-rail dd i { width: 5px; height: 5px; display: inline-block; margin-right: 6px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 8px rgba(159, 197, 168, .7); animation: signal 2.2s ease-in-out infinite; }
.rail-help { position: absolute; left: 27px; right: 27px; bottom: 28px; padding-top: 14px; border-top: 1px solid var(--line); }
.rail-help span, .rail-help small { display: block; }
.rail-help span { color: var(--signal); font-size: .52rem; letter-spacing: .1em; }
.rail-help small { margin-top: 4px; color: var(--dim); font-size: .43rem; letter-spacing: .08em; }

.terminal-shell { position: fixed; left: 188px; right: 0; top: 76px; bottom: 0; z-index: 2; display: grid; grid-template-rows: 48px minmax(0, 1fr) 32px; overflow: hidden; background: rgba(8, 17, 16, .58); }
.terminal-shell::before { content: ""; position: absolute; inset: 48px 0 32px; z-index: 3; pointer-events: none; opacity: .46; background: repeating-linear-gradient(0deg, transparent 0 5px, rgba(120, 184, 199, .012) 6px); }
.terminal-bar { display: flex; align-items: center; justify-content: space-between; position: relative; z-index: 4; padding: 0 clamp(18px, 3vw, 38px); border-bottom: 1px solid var(--line); background: rgba(16, 28, 26, .5); color: var(--muted); font-size: .53rem; letter-spacing: .09em; }
.terminal-identity, .terminal-status { display: flex; align-items: center; gap: 9px; }
.status-light { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 10px rgba(159, 197, 168, .7); animation: signal 2.2s ease-in-out infinite; }
.terminal-status span { color: var(--dim); }
.terminal-status b { color: var(--signal); font-weight: 500; }
#terminal-container { min-height: 0; position: relative; z-index: 2; overflow: hidden; padding: clamp(22px, 4vw, 48px) clamp(22px, 5vw, 70px) 20px; }
.xterm { height: 100%; overflow: hidden; }
.xterm .xterm-viewport { overflow-y: auto !important; background: transparent !important; scrollbar-color: rgba(120, 184, 199, .3) transparent; scrollbar-width: thin; }
.xterm-viewport::-webkit-scrollbar { width: 4px; }
.xterm-viewport::-webkit-scrollbar-track { background: transparent; }
.xterm-viewport::-webkit-scrollbar-thumb { background: rgba(120, 184, 199, .28); }
.terminal-footer { display: flex; align-items: center; justify-content: space-between; position: relative; z-index: 4; padding: 0 clamp(18px, 3vw, 38px); border-top: 1px solid var(--line); color: var(--dim); font-size: .46rem; letter-spacing: .1em; }

@keyframes signal { 0%, 100% { opacity: .45; } 50% { opacity: 1; } }

@media (max-width: 1000px) {
  .terminal-nav { grid-template-columns: 235px 1fr 185px; }
  .terminal-telemetry span { min-width: 108px; padding: 0 13px; }
  .terminal-rail { width: 148px; }
  .terminal-shell { left: 148px; }
}

@media (max-width: 800px) {
  .terminal-nav { height: 66px; grid-template-columns: 1fr auto; }
  .terminal-brand { border-right: 0; }
  .terminal-telemetry { display: none; }
  .site-link { padding: 0 20px; }
  .terminal-rail { width: auto; height: 48px; inset: 66px 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; border-right: 0; border-bottom: 1px solid var(--line); }
  .terminal-rail > p { margin: 0; }
  .terminal-rail dl { display: flex; gap: 24px; }
  .terminal-rail dl div { display: flex; align-items: center; gap: 7px; padding: 0; border: 0; }
  .terminal-rail dt, .terminal-rail dd { margin: 0; }
  .rail-help { display: none; }
  .terminal-shell { left: 0; top: 114px; }
  #terminal-container { padding: 24px 22px 14px; }
}

@media (max-width: 560px) {
  .terminal-brand { padding-left: 16px; }
  .terminal-brand small { display: none; }
  .site-link { width: 54px; padding: 0; font-size: 0; }
  .site-link span { font-size: .7rem; }
  .terminal-rail > p { font-size: .46rem; }
  .terminal-rail dl div:not(:last-child) { display: none; }
  .terminal-bar { padding: 0 14px; }
  .terminal-status span { display: none; }
  #terminal-container { padding: 18px 14px 10px; }
  .terminal-footer { padding: 0 14px; }
  .terminal-footer span:first-child { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; }
}