/* Cloud ITS Academy — "ops room" design system.
   Graph-paper surface, ink type, cable-orange accent, patch-panel motif. */

:root {
  --paper: #F2F5F7;
  --panel: #FFFFFF;
  --ink: #15222D;
  --muted: #5C6B77;
  --line: #D9E0E6;
  --accent: #E8590C;
  --accent-deep: #B23F00;
  --ok: #1E7A4C;
  --ok-bg: #E2F1E9;
  --amber: #9A6A0E;
  --amber-bg: #FBF0D9;
  --err: #A3352B;
  --err-bg: #F9E7E4;
  --slate: #1B2833;
  --slate-2: #263646;
  --port-off: #37485A;
  --radius: 8px;
  --display: "Archivo", "Segoe UI", sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; }

body {
  font-family: var(--body);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, rgba(21,34,45,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(21,34,45,.045) 1px, transparent 1px);
  background-size: 26px 26px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 15.5px;
  line-height: 1.55;
}

a { color: var(--accent-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ------------------------------------------------ top bar */
.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 1.6rem;
  padding: .65rem 1.4rem;
  flex-wrap: wrap;
}
.wordmark { display: flex; align-items: baseline; gap: .45rem; text-decoration: none; }
.wordmark:hover { text-decoration: none; }
.wm-main {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: .04em;
  font-size: 1.05rem;
  color: var(--ink);
}
.wm-sub {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--accent);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.topnav { display: flex; gap: 1.1rem; }
.topnav a {
  font-family: var(--mono);
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  padding: .2rem 0;
  border-bottom: 2px solid transparent;
}
.topnav a:hover { color: var(--ink); text-decoration: none; border-bottom-color: var(--accent); }
.whoami { margin-left: auto; display: flex; align-items: center; gap: .7rem; }
.who-name { font-weight: 600; font-size: .92rem; }
.logout { font-size: .82rem; color: var(--muted); }

/* tape chips — label-maker style */
.tape {
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: .18rem .5rem;
  border-radius: 3px;
  white-space: nowrap;
}
.tape-slate  { background: var(--slate); color: #DCE6EE; }
.tape-accent { background: var(--accent); color: #fff; }
.tape-ok     { background: var(--ok-bg); color: var(--ok); }
.tape-amber  { background: var(--amber-bg); color: var(--amber); }
.tape-err    { background: var(--err-bg); color: var(--err); }
.tape-muted  { background: #E8EDF1; color: var(--muted); }

/* ------------------------------------------------ layout */
.page {
  width: min(1060px, 100% - 2.4rem);
  margin: 1.6rem auto;
  flex: 1;
}
.foot {
  border-top: 1px solid var(--line);
  padding: .8rem 1.4rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: .8rem;
  color: var(--muted);
  background: var(--panel);
}
.foot-mono { font-family: var(--mono); font-size: .72rem; letter-spacing: .06em; }

.flash {
  border-radius: var(--radius);
  padding: .65rem .9rem;
  margin-bottom: 1rem;
  font-size: .92rem;
  border: 1px solid;
}
.flash-ok    { background: var(--ok-bg); color: var(--ok); border-color: #BFE0CF; }
.flash-error { background: var(--err-bg); color: var(--err); border-color: #ECC8C2; }

h1.pagetitle {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.7rem;
  letter-spacing: -.01em;
  margin-bottom: .2rem;
}
.pagesub { color: var(--muted); margin-bottom: 1.4rem; max-width: 62ch; }
.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: .35rem;
}

/* ------------------------------------------------ patch panel */
.panelboard {
  background: var(--slate);
  border-radius: 12px;
  padding: 1.1rem 1.3rem 1rem;
  margin-bottom: 1.8rem;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 6px 18px rgba(21,34,45,.18);
}
.panelboard .pb-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: .85rem;
}
.pb-title {
  font-family: var(--mono);
  color: #8FA3B5;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.pb-count { font-family: var(--mono); color: #DCE6EE; font-size: .8rem; }
.pb-count strong { color: #fff; }
.ports {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(56px, 1fr));
  gap: .6rem;
}
.port { text-align: center; text-decoration: none; }
.port:hover { text-decoration: none; }
.port-jack {
  height: 40px;
  border-radius: 6px;
  background: var(--slate-2);
  border: 1.5px solid var(--port-off);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .12s ease, border-color .12s ease;
}
.port:hover .port-jack { transform: translateY(-2px); }
.port-led {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--port-off);
}
.port-done .port-jack { border-color: #2FA36B; background: #21402F; }
.port-done .port-led  { background: #3FCE87; box-shadow: 0 0 8px rgba(63,206,135,.65); }
.port-active .port-jack { border-color: var(--accent); background: #3A2A1B; }
.port-active .port-led  { background: #FF8A3D; box-shadow: 0 0 8px rgba(255,138,61,.6); }
.port-label {
  display: block;
  font-family: var(--mono);
  font-size: .64rem;
  letter-spacing: .08em;
  color: #8FA3B5;
  margin-top: .3rem;
}
.port-done .port-label, .port-active .port-label { color: #DCE6EE; }

/* ------------------------------------------------ cards */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  margin-bottom: 1rem;
}
.phase-h {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 1.6rem 0 .7rem;
  display: flex;
  align-items: center;
  gap: .7rem;
}
.phase-h::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.modrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .8rem 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: .55rem;
  color: inherit;
  text-decoration: none;
}
.modrow:hover { border-color: var(--accent); text-decoration: none; }
.modrow .m-code {
  font-family: var(--mono);
  font-weight: 600;
  font-size: .8rem;
  color: var(--muted);
  min-width: 2.6rem;
}
.modrow .m-body { flex: 1; min-width: 0; }
.modrow .m-title { font-weight: 600; }
.modrow .m-meta { font-size: .8rem; color: var(--muted); font-family: var(--mono); }
.modrow .m-desc { font-size: .86rem; color: var(--muted); margin-top: .1rem; }

/* progress meter — three segments: lessons / quiz / labs */
.meter { display: flex; gap: .25rem; min-width: 120px; }
.meter span {
  flex: 1; height: 7px; border-radius: 4px; background: #E4EAEF;
}
.meter .seg-done { background: var(--ok); }
.meter .seg-part { background: var(--accent); }

/* ------------------------------------------------ lesson / content */
.doc { max-width: 70ch; }
.doc h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.12rem;
  margin: 1.4rem 0 .5rem;
}
.doc h4 {
  font-family: var(--display);
  font-weight: 700;
  font-size: .98rem;
  margin: 1.1rem 0 .4rem;
}
.doc p { margin: .55rem 0; }
.doc ul, .doc ol { margin: .55rem 0 .55rem 1.4rem; }
.doc li { margin: .3rem 0; }
.doc code {
  font-family: var(--mono);
  font-size: .84em;
  background: #EDF1F4;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: .08em .35em;
}
.doc .tip {
  border-left: 3px solid var(--accent);
  background: #FDF3EC;
  padding: .6rem .9rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: .9rem 0;
  font-size: .93rem;
}

.crumb {
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--muted);
  margin-bottom: .9rem;
  display: block;
}

/* checklist rows (lessons/labs inside a module) */
.check {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .6rem .8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: .45rem;
  background: var(--panel);
  color: inherit;
  text-decoration: none;
}
.check:hover { border-color: var(--accent); text-decoration: none; }
.check .c-mark {
  font-family: var(--mono);
  width: 1.5rem; height: 1.5rem;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-size: .78rem;
  color: var(--muted);
  flex-shrink: 0;
}
.check.is-done .c-mark { background: var(--ok); border-color: var(--ok); color: #fff; }
.check .c-title { flex: 1; font-weight: 500; }
.check .c-meta { font-size: .78rem; color: var(--muted); font-family: var(--mono); }

/* ------------------------------------------------ forms & buttons */
.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  padding: .55rem 1.05rem;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
}
.btn:hover { background: var(--accent-deep); }
.btn-quiet {
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-quiet:hover { background: #EDF1F4; }
.btn-ok { background: var(--ok); }
.btn-ok:hover { background: #14603A; }
.btn-sm { padding: .35rem .7rem; font-size: .74rem; }

label { font-size: .85rem; font-weight: 600; display: block; margin-bottom: .25rem; }
input[type=text], input[type=password], select, textarea {
  font-family: var(--body);
  font-size: .95rem;
  width: 100%;
  padding: .5rem .65rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}
textarea { min-height: 140px; resize: vertical; font-family: var(--mono); font-size: .86rem; }
.field { margin-bottom: .9rem; }

/* login */
.login-wrap { max-width: 380px; margin: 7vh auto 0; }
.login-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.8rem;
  box-shadow: 0 10px 30px rgba(21,34,45,.08);
}
.login-mark { margin-bottom: 1.3rem; }

/* quiz */
.q-item { margin-bottom: 1.35rem; }
.q-text { font-weight: 600; margin-bottom: .5rem; }
.q-opt {
  display: flex; gap: .6rem; align-items: flex-start;
  padding: .45rem .6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  margin-bottom: .35rem;
  cursor: pointer;
  font-weight: 400;
  font-size: .93rem;
}
.q-opt:hover { border-color: var(--accent); }
.q-opt input { margin-top: .25rem; }

/* tables */
table.grid { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.grid th {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: left;
  padding: .45rem .6rem;
  border-bottom: 2px solid var(--line);
}
table.grid td { padding: .55rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }

/* mini board (admin roster) */
.miniboard { display: flex; gap: .22rem; }
.miniboard span {
  width: 11px; height: 11px; border-radius: 3px;
  background: #E4EAEF; border: 1px solid var(--line);
}
.miniboard .mb-done   { background: var(--ok); border-color: var(--ok); }
.miniboard .mb-active { background: var(--accent); border-color: var(--accent); }

.subnote {
  background: #F7F9FA;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: .6rem .8rem;
  font-family: var(--mono);
  font-size: .82rem;
  white-space: pre-wrap;
  word-break: break-word;
}
.review-actions { display: flex; gap: .5rem; align-items: flex-start; margin-top: .6rem; flex-wrap: wrap; }

.statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .8rem; margin-bottom: 1.4rem; }
.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .8rem 1rem;
}
.stat .s-num { font-family: var(--display); font-weight: 800; font-size: 1.5rem; }
.stat .s-lbl { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

@media (max-width: 640px) {
  .topbar { gap: .8rem; }
  .whoami { margin-left: 0; width: 100%; }
  .ports { grid-template-columns: repeat(6, 1fr); }
  .modrow { flex-wrap: wrap; }
  .meter { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}