/* =============================================================================
 * os.css — VENUS-OS shell
 *
 * Structure ported from HOFFMAN-TACTICAL public/retro.css (Tactical-OS 96):
 * boot screen -> desktop + icons -> draggable/resizable windows -> taskbar
 * + start menu. Every grey is re-hued to brass; the bevel logic (2px border,
 * hi/sh/sh/hi) is kept verbatim because that IS the look.
 * ===========================================================================*/

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--text);
  background: var(--night);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

/* chrome must never start a text selection or a touch scroll */
.win .tbar, .win .grip, .win .rz, .dicon,
#taskbar, #startbtn, #startmenu {
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

/* ---------- bevels (retro.css, re-hued) ---------- */
.raised {
  border: 2px solid;
  border-color: var(--bevel-hi) var(--bevel-sh) var(--bevel-sh) var(--bevel-hi);
  background: var(--panel);
}
.sunken {
  border: 2px solid;
  border-color: var(--bevel-sh) var(--bevel-hi) var(--bevel-hi) var(--bevel-sh);
  background: var(--sunken);
}

/* =============================================================================
 * BOOT — a POST screen. Ported shape from retro.css #boot, but the payload is
 * a Venus atmospheric-entry log instead of a rifle.
 * ===========================================================================*/
#boot {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--void); color: var(--dim);
  font-family: var(--mono); font-size: 14px;
  padding: 28px; cursor: pointer; overflow: hidden;
}
#bootglobe { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; opacity: .5; }
#boot pre { margin: 0; white-space: pre-wrap; position: relative; z-index: 1; }
#boot .cur { background: var(--gold); color: var(--void); }

#bootos {
  position: absolute; left: 0; right: 0; bottom: 8vh; z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  pointer-events: none;
}
/* ---- the wordmark, everywhere the word VENUS stands alone ----
   Matches assets/logo.jpg: heavy racing italic, white fill, dark outline,
   gold glow. 'Arial Black' is the closest weight universally installed;
   the skew supplies the logo's forward lean. */
.vmark {
  font-family: "Arial Black", "Inter", ui-sans-serif, system-ui, sans-serif;
  font-weight: 900; font-style: italic;
  transform: skewX(-8deg);
  letter-spacing: .02em; color: #fff;
  -webkit-text-stroke: 2px #241a0a;
  text-shadow: 3px 3px 0 rgba(10, 7, 2, .85), 0 0 34px rgba(255, 200, 61, .6);
}

#bootos .coin {
  width: clamp(110px, 22vw, 180px); height: auto; border-radius: 50%;
  box-shadow: 0 0 70px rgba(255, 200, 61, .4), 0 0 24px rgba(255, 200, 61, .5);
}
#bootos .logo { font-size: clamp(30px, 7.5vw, 52px); }
#bootos .sub {
  font-family: var(--mono); font-size: 11px; letter-spacing: .34em;
  color: var(--sulfur); text-shadow: 0 1px 3px #000;
}
#bootos .pbar {
  width: min(380px, 80vw); height: 20px; padding: 2px;
  background: var(--panel);
  border: 2px solid; border-color: var(--bevel-sh) var(--bevel-hi) var(--bevel-hi) var(--bevel-sh);
}
#bootos .pbar i {
  display: block; height: 100%; width: 0;
  background: repeating-linear-gradient(90deg, var(--gold-deep) 0 14px, var(--gold) 14px 16px);
  transition: width .12s linear;
}
#bootos .skip { font-family: var(--mono); font-size: 10px; color: var(--faint); letter-spacing: .2em; }

/* =============================================================================
 * DESKTOP — retro.css used venetian sunset bands for the orca poster.
 * Here the same device draws Venus's banded cloud deck, drifting.
 * ===========================================================================*/
#desktop {
  position: fixed; inset: 0 0 var(--taskbar-h) 0; overflow: hidden;
  background: var(--void);
}
#wallpaper { position: absolute; inset: 0; width: 100%; height: 100%; display: block; z-index: 0; }

/* SPACE view: the hero video replaces the surface canvas wholesale. The
   canvas render loops check their own visibility, so hiding them here is
   also what pauses them. */
#wallvideo {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; display: none; z-index: 0; background: #050301;
}
body.space-view #wallvideo { display: block; }
body.space-view #wallpaper { display: none; }
body.space-view #desktop::before { display: none; }   /* no cloud wash in orbit */

/* the warp-jump overlay — visual only, spans the desktop, never the taskbar */
#warp {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 5000; display: none; pointer-events: none;
}
/* Cloud bands over the terrain. Tactical-OS drew hard venetian bars over its
   desktop; here the Magellan plate underneath has to stay readable, so the
   same device is dialled down to a scanline haze plus a thin warm wash. */
#desktop::before {
  content: ""; position: absolute; inset: -20% -10%; z-index: 1; pointer-events: none;
  background:
    repeating-linear-gradient(174deg, transparent 0 3px, rgba(10, 7, 2, .16) 3px 6px),
    linear-gradient(178deg,
      rgba(244, 224, 77, .07)  0%,
      rgba(255, 122, 47, .05) 52%,
      rgba(184, 134, 42, .07) 100%);
  animation: drift 120s linear infinite;
}
@keyframes drift { from { transform: translateY(0); } to { transform: translateY(6px); } }
#desktop::after {                        /* vignette so icon labels stay legible */
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(10, 7, 2, .74) 0, transparent 240px),
    radial-gradient(140% 130% at 72% 22%, transparent 46%, rgba(10, 7, 2, .72));
}

.dicon {
  position: absolute; z-index: 3; width: 92px; text-align: center;
  color: var(--text); cursor: pointer; padding: 6px 2px;
  border: 1px dotted transparent; background: none;
}
.dicon:hover { background: rgba(255, 200, 61, .12); }
.dicon.sel  { background: rgba(255, 200, 61, .22); border-color: var(--gold); }
.dicon:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.dicon .gi  { font-size: 32px; line-height: 38px; filter: drop-shadow(1px 2px 0 rgba(0,0,0,.6)); }

/* ---------- SVG icons (js/icons.js) ---------- */
.svgi { display: inline-grid; place-items: center; line-height: 0; flex: none; }
.svgi svg { width: 100%; height: 100%; display: block; }
.dicon .gi { height: 42px; display: grid; place-items: center; }
.dicon .gi .svgi { width: 38px; height: 38px; }
.win .tbar .ti .svgi { width: 15px; height: 15px; }
#tasks .task .svgi { width: 15px; height: 15px; }
#startmenu .mi .mi-i .svgi { width: 20px; height: 20px; }
.dicon .lbl {
  font-size: 10.5px; font-weight: 700; letter-spacing: .06em; margin-top: 3px;
  text-shadow: 1px 1px 0 #000, 0 0 8px rgba(0,0,0,.9); word-wrap: break-word;
}

/* =============================================================================
 * WINDOWS
 * ===========================================================================*/
.win {
  position: absolute; min-width: 260px; min-height: 140px;
  display: flex; flex-direction: column;
  background: var(--panel);
  border: 2px solid; border-color: var(--bevel-hi) var(--bevel-sh) var(--bevel-sh) var(--bevel-hi);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, .55), 0 18px 50px rgba(0, 0, 0, .5);
}
.win.max { left: 0 !important; top: 0 !important; width: 100% !important; height: 100% !important; }

.win .tbar {
  display: flex; align-items: center; gap: 6px; flex: none;
  height: var(--tbar-h); padding: 0 3px 0 6px; cursor: default;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold));
  color: var(--ink);
}
.win.blur .tbar { background: linear-gradient(90deg, #4a3517, #6a4f21); color: var(--dim); }
.win .tbar .ti { font-size: 13px; }
.win .tbar .tt {
  flex: 1; font-weight: 800; font-size: 11.5px; letter-spacing: .1em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.win .tbar .tb {
  width: 19px; height: 16px; display: grid; place-items: center; line-height: 1;
  font-family: var(--mono); font-size: 11px; font-weight: 800; color: var(--text);
  background: var(--panel-2); cursor: pointer;
  border: 2px solid; border-color: var(--bevel-hi) var(--bevel-sh) var(--bevel-sh) var(--bevel-hi);
}
.win .tbar .tb:hover  { background: var(--line); }
.win .tbar .tb:active { border-color: var(--bevel-sh) var(--bevel-hi) var(--bevel-hi) var(--bevel-sh); }

.win .wbody {
  flex: 1; margin: 3px; overflow: auto; position: relative;
  background: var(--sunken);
  border: 2px solid; border-color: var(--bevel-sh) var(--bevel-hi) var(--bevel-hi) var(--bevel-sh);
}
.win .wbody.plain { margin: 0; border: 0; background: var(--panel); }

/* resize handles — geometry ported from HOFFMAN retro.css: visible corner
   triangles bottom-left/right, invisible grab rails on s/e/w only. The side
   rails start 40px down so nothing ever overlaps the titlebar buttons. */
.win .grip, .win .rz.sw {
  position: absolute; z-index: 8; width: 20px; height: 20px; background: none;
}
.win .grip  { right: 0; bottom: 0; cursor: nwse-resize; }
.win .rz.sw { bottom: 0; left: 0; cursor: nesw-resize; }
.win .grip::after, .win .rz.sw::after {
  content: ""; position: absolute; width: 11px; height: 11px;
  background: var(--gold); opacity: .5; filter: drop-shadow(0 0 3px var(--gold));
}
.win .grip::after  { right: 1px; bottom: 1px; clip-path: polygon(100% 0, 100% 100%, 0 100%); }
.win .rz.sw::after { left: 1px;  bottom: 1px; clip-path: polygon(0 0, 0 100%, 100% 100%); }
.win .rz.s { position: absolute; z-index: 7; bottom: -4px; left: 14px; right: 14px; height: 9px; cursor: ns-resize; }
.win .rz.e { position: absolute; z-index: 7; right: -4px; top: 40px; bottom: 14px; width: 9px; cursor: ew-resize; }
.win .rz.w { position: absolute; z-index: 7; left: -4px;  top: 40px; bottom: 14px; width: 9px; cursor: ew-resize; }

body.wm-drag { cursor: grabbing; }
body.wm-drag iframe, body.wm-drag canvas { pointer-events: none; }
/* the 50px blur shadow repaints on every moved pixel — drop it mid-drag */
.win.dragging { box-shadow: 3px 3px 0 rgba(0, 0, 0, .55); will-change: left, top, width, height; }

/* =============================================================================
 * TASKBAR + START
 * ===========================================================================*/
#taskbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 500;
  height: var(--taskbar-h); display: flex; align-items: center; gap: 5px; padding: 3px 5px;
  background: var(--panel);
  border-top: 2px solid var(--bevel-hi);
}
#startbtn {
  display: flex; align-items: center; gap: 6px; flex: none;
  height: 26px; padding: 0 11px; cursor: pointer;
  font-family: var(--sans); font-size: 11.5px; font-weight: 900; letter-spacing: .1em;
  color: var(--ink); background: linear-gradient(180deg, var(--gold), var(--gold-deep));
  border: 2px solid; border-color: var(--bevel-hi) var(--bevel-sh) var(--bevel-sh) var(--bevel-hi);
}
#startbtn.on, #startbtn:active { border-color: var(--bevel-sh) var(--bevel-hi) var(--bevel-hi) var(--bevel-sh); }

#tasks { display: flex; gap: 4px; flex: 1; overflow: hidden; }
#tasks .task {
  max-width: 168px; height: 26px; padding: 0 10px; cursor: pointer;
  display: flex; align-items: center; gap: 6px;
  font-family: var(--sans); font-size: 11px; font-weight: 700; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  background: var(--panel-2);
  border: 2px solid; border-color: var(--bevel-hi) var(--bevel-sh) var(--bevel-sh) var(--bevel-hi);
}
#tasks .task.active {
  border-color: var(--bevel-sh) var(--bevel-hi) var(--bevel-hi) var(--bevel-sh);
  background: var(--line); color: var(--gold);
}

#viewtoggle {
  flex: none; height: 26px; padding: 0 11px; cursor: pointer;
  font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: .14em;
  color: var(--sulfur); background: var(--panel-2);
  border: 2px solid; border-color: var(--bevel-hi) var(--bevel-sh) var(--bevel-sh) var(--bevel-hi);
}
#viewtoggle:hover { color: var(--gold); }
#viewtoggle:active,
#viewtoggle[aria-pressed="true"] { border-color: var(--bevel-sh) var(--bevel-hi) var(--bevel-hi) var(--bevel-sh); }
#viewtoggle:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

#tray {
  flex: none; display: flex; align-items: center; gap: 10px; height: 26px; padding: 0 10px;
  font-family: var(--mono); font-size: 11px; color: var(--dim);
  border: 2px solid; border-color: var(--bevel-sh) var(--bevel-hi) var(--bevel-hi) var(--bevel-sh);
}
#tray .phase { color: var(--sulfur); }
#tray .clock { color: var(--gold); letter-spacing: .08em; }

#startmenu {
  position: fixed; left: 5px; bottom: calc(var(--taskbar-h) + 3px); z-index: 600;
  width: 250px; display: none; overflow: hidden;
  background: var(--panel);
  border: 2px solid; border-color: var(--bevel-hi) var(--bevel-sh) var(--bevel-sh) var(--bevel-hi);
  box-shadow: 3px 3px 0 rgba(0,0,0,.55);
}
#startmenu.on { display: flex; }
#startmenu .rail {
  flex: none; width: 30px;
  background: linear-gradient(180deg, var(--ember), var(--gold-deep) 55%, var(--dial-navy));
  color: var(--ink); font-weight: 900; font-size: 12px; letter-spacing: .22em;
  writing-mode: vertical-rl; transform: rotate(180deg);
  display: grid; place-items: center; padding: 12px 0;
}
#startmenu .items { flex: 1; padding: 3px; }
#startmenu .mi {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 8px 10px; cursor: pointer; text-align: left;
  font-family: var(--sans); font-size: 12px; font-weight: 700; color: var(--text);
  background: none; border: 0;
}
#startmenu .mi:hover { background: var(--gold); color: var(--ink); }
#startmenu .mi .mi-i { font-size: 18px; }
#startmenu .sep { height: 2px; margin: 4px 6px; background: var(--bevel-sh); border-bottom: 1px solid var(--bevel-hi); }

/* =============================================================================
 * MOBILE — a 9x desktop is a lie on a phone. Windows go full-bleed and stack;
 * drag/resize is dropped rather than faked.
 * ===========================================================================*/
@media (max-width: 720px) {
  .dicon { width: 76px; }
  .dicon .gi { font-size: 27px; line-height: 32px; }
  .win {
    left: 0 !important; top: 0 !important;
    width: 100% !important; height: calc(100% - var(--taskbar-h)) !important;
  }
  .win .grip, .win .rz { display: none; }
  #tasks .task { max-width: 96px; }
  #tray .phase { display: none; }
}