/* Sign-in pages (web/templates/_auth.html): the gIoTHub sign-in layout of
   Floor Plan Studio (Massimo, 2026-10-25). Left = login column following the
   theme (data-theme from theme.js), right = the drawing, always a dark
   blueprint. Fonts: IBM Plex, vendored (OFL, vendor/fonts/OFL.txt). */
@font-face { font-family: "IBM Plex Sans"; font-weight: 400; font-display: swap; src: url(vendor/fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 500; font-display: swap; src: url(vendor/fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 600; font-display: swap; src: url(vendor/fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Sans Condensed"; font-weight: 600; font-display: swap; src: url(vendor/fonts/ibm-plex-sans-condensed-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 400; font-display: swap; src: url(vendor/fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-display: swap; src: url(vendor/fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2"); }

:root {
  --bg: #F3F6F7; --surface: #FFFFFF; --fg: #0A2B3A; --muted: #4E6875; --line: #D3DEE3;
  --brand: #0B4F6C; --brand-fg: #FFFFFF; --focus: #2F8FB5;
  --good: #1D7A46; --good-soft: #E2F3E8; --crit: #B42318; --crit-soft: #FDE4E1;
  --bp-bg: #0A2B3A; --bp-grid: rgba(127, 196, 222, .07); --bp-grid5: rgba(127, 196, 222, .14);
  --bp-ink: #9FD4E8; --bp-wall: #E2F1F7; --bp-quiet: #5D8FA3; --bp-pick: #F2B544;
  --f-disp: "IBM Plex Sans Condensed", "IBM Plex Sans", "Arial Narrow", sans-serif;
  --f-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}
:root[data-theme="dark"] {
  --bg: #0D1C24; --surface: #12252F; --fg: #E2EDF2; --muted: #93ACB7; --line: #24404D;
  --brand: #6CC4E2; --brand-fg: #062230; --focus: #8FD3EA;
  --good: #7FD39F; --good-soft: #12301F; --crit: #F59C92; --crit-soft: #3A1714; color-scheme: dark;
}

html, body { height: 100%; margin: 0; }
body.auth { background: var(--bg); color: var(--fg); font: 15px/1.5 var(--f-body); }
.split { min-height: 100%; display: grid; grid-template-columns: minmax(360px, 460px) minmax(0, 1fr); }

/* the drawing */
.plan { order: 2; position: relative; background: var(--bp-bg); overflow: hidden; min-height: 320px; }
.plan svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.titleblock { position: absolute; right: 24px; bottom: 24px; display: grid; grid-template-columns: auto auto; gap: 2px 18px;
  font: 11px/1.5 var(--f-mono); color: var(--bp-ink); border: 1px solid var(--bp-quiet); padding: 10px 14px; background: rgba(10, 43, 58, .82); }
.titleblock span:nth-child(odd) { color: var(--bp-quiet); text-transform: uppercase; letter-spacing: .08em; }
.sample { position: absolute; left: 24px; top: 20px; font: 11px var(--f-mono); color: var(--bp-quiet); letter-spacing: .08em; text-transform: uppercase; }

/* the login column */
.side { background: var(--surface); border-right: 1px solid var(--line); display: grid; grid-template-rows: 1fr auto; padding-inline: 44px; padding-block: 40px 24px; row-gap: 32px; }
.box { align-self: center; display: grid; gap: 28px; max-width: 360px; width: 100%; }
.brand { display: flex; align-items: center; gap: 14px; }
.brand svg { flex: none; }
.brand b { display: block; font: 600 30px/1.05 var(--f-disp); letter-spacing: .01em; text-wrap: balance; }
.brand small { display: block; font: 11px var(--f-mono); color: var(--muted); letter-spacing: .1em; text-transform: uppercase; margin-top: 4px; }
.h { margin: 0; font: 600 20px/1.2 var(--f-disp); }
.lead { margin: 0; color: var(--muted); max-width: 34ch; }
.side a { color: var(--brand); }
.side form { display: grid; gap: 12px; }
.side label { font-size: 13px; font-weight: 500; }
.side input { font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 11px 12px; width: 100%; box-sizing: border-box; }
.side input + label { margin-top: 4px; }
.side input:focus-visible, .side button:focus-visible, .side a:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.pri { font: 600 15px var(--f-body); background: var(--brand); color: var(--brand-fg); border: 0; border-radius: 8px; padding: 12px; margin-top: 4px; cursor: pointer; }
.pri:hover { filter: brightness(1.08); }
.note { font-size: 13px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 18px; margin: 0; }
.msg { font-size: 13px; border-radius: 8px; padding: 10px 12px; margin: 0; border: 1px solid var(--line); background: var(--bg); color: var(--fg); }
.msg-good { background: var(--good-soft); border-color: transparent; color: var(--good); }
.msg-crit { background: var(--crit-soft); border-color: transparent; color: var(--crit); }
.foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.lang { display: flex; gap: 4px; }
.lang button { font: 500 12px var(--f-mono); background: none; border: 1px solid transparent; color: var(--muted); border-radius: 6px; padding: 3px 7px; cursor: pointer; }
.lang button[aria-pressed="true"] { border-color: var(--line); color: var(--fg); }

@media (max-width: 860px) {
  .split { grid-template-columns: minmax(0, 1fr); grid-template-rows: 260px auto; }
  .plan { order: 0; min-height: 0; }
  .side { border-right: 0; border-top: 1px solid var(--line); padding-inline: 20px; padding-top: 28px; }
  .box { align-self: start; }
  .titleblock { display: none; }
}
@media (prefers-reduced-motion: no-preference) {
  .draw { stroke-dasharray: var(--len); stroke-dashoffset: var(--len); animation: draw 1.6s ease-out forwards; }
  @keyframes draw { to { stroke-dashoffset: 0; } }
}