/* ==========================================================================
   desktop.css — desktop, window frames, Program Manager, app content
   ========================================================================== */

/* --- Desktop ------------------------------------------------------------- */
#desktop {
  position: fixed;
  inset: 0;
  background-color: var(--c-teal);
  overflow: hidden;
}

/* --- Window frame -------------------------------------------------------- */
.win {
  position: absolute;
  display: flex;
  flex-direction: column;
  min-width: 180px;
  min-height: 72px;
  background: var(--face);
  /* Chunky sizing frame: black outline + raised silver body */
  border: 1px solid var(--c-black);
  box-shadow:
    inset  1px  1px 0 var(--c-white),
    inset -1px -1px 0 var(--c-gray),
    inset  2px  2px 0 var(--face),
    inset -2px -2px 0 var(--face);
  padding: 3px;
}
.win.is-minimised { display: none; }
.win.is-maximised {
  inset: 0 !important;
  width: auto !important;
  height: auto !important;
  border-width: 1px;
}
.win-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.win-client {
  flex: 1;
  min-height: 0;
  overflow: auto;
  background: var(--face);
  padding: 10px 12px;
}
/* Documents/readouts get the sunken white well */
.win-client.paper {
  background: var(--c-white);
  border: 1px solid;
  border-color: var(--c-gray) var(--c-white) var(--c-white) var(--c-gray);
  box-shadow: inset 1px 1px 0 var(--c-black);
  margin: 2px;
  padding: 10px 14px;
  -webkit-user-select: text;
  user-select: text;
}

/* Resize grips */
.grip { position: absolute; z-index: 2; }
.grip.n  { top: -2px; left: 6px; right: 6px; height: 5px; cursor: ns-resize; }
.grip.s  { bottom: -2px; left: 6px; right: 6px; height: 5px; cursor: ns-resize; }
.grip.w  { left: -2px; top: 6px; bottom: 6px; width: 5px; cursor: ew-resize; }
.grip.e  { right: -2px; top: 6px; bottom: 6px; width: 5px; cursor: ew-resize; }
.grip.nw { top: -2px; left: -2px; width: 10px; height: 10px; cursor: nwse-resize; }
.grip.ne { top: -2px; right: -2px; width: 10px; height: 10px; cursor: nesw-resize; }
.grip.sw { bottom: -2px; left: -2px; width: 10px; height: 10px; cursor: nesw-resize; }
.grip.se { bottom: -2px; right: -2px; width: 10px; height: 10px; cursor: nwse-resize; }
.win.is-maximised .grip { display: none; }

/* Drag/resize outline — 3.1 dragged a dotted ghost, not the live window */
#drag-ghost {
  position: absolute;
  border: 2px dotted var(--c-black);
  pointer-events: none;
  z-index: 9000;
  display: none;
}

/* --- Icons (desktop + program group) ------------------------------------- */
.icon {
  width: 80px;
  padding: 2px;
  text-align: center;
  position: absolute;
  cursor: default;
}
.icon .glyph {
  width: 32px; height: 32px;
  margin: 0 auto 3px;
  display: block;
  image-rendering: pixelated;
}
.icon .label {
  display: inline-block;
  padding: 0 2px;
  color: var(--c-black);
  font-size: 11px;
  word-break: normal;
  overflow-wrap: normal;
  hyphens: none;
  line-height: 1.15;
}
.group-window .icon .label { background: var(--face); }
#desktop > .icon .label { color: var(--c-white); }
.icon.is-selected .label {
  background: var(--c-navy);
  color: var(--c-white);
  outline: 1px dotted var(--c-white);
  outline-offset: -1px;
}

/* Minimised windows sit as icons along the bottom of the desktop */
#tray { position: absolute; left: 0; right: 0; bottom: 0; height: 76px; pointer-events: none; }
#tray .icon { pointer-events: auto; position: absolute; bottom: 4px; }
#tray .icon .label { color: var(--c-white); }

/* --- Program Manager ----------------------------------------------------- */
#progman .win-client {
  background: var(--face);
  border: 1px solid;
  border-color: var(--c-gray) var(--c-white) var(--c-white) var(--c-gray);
  box-shadow: inset 1px 1px 0 var(--c-black);
  margin: 2px;
  padding: 0;
  position: relative;
  overflow: hidden;
}
/* Child group windows live inside Program Manager's client area (MDI) */
.group-window {
  position: absolute;
  display: flex;
  flex-direction: column;
  background: var(--face);
  border: 1px solid var(--c-black);
  box-shadow:
    inset  1px  1px 0 var(--c-white),
    inset -1px -1px 0 var(--c-gray),
    inset  2px  2px 0 var(--face),
    inset -2px -2px 0 var(--face);
  padding: 2px;
}
.group-window .group-client {
  flex: 1;
  min-height: 0;
  position: relative;
  overflow: auto;
  background: var(--face);
  border: 1px solid;
  border-color: var(--c-gray) var(--c-white) var(--c-white) var(--c-gray);
  box-shadow: inset 1px 1px 0 var(--c-black);
}
.group-window.is-minimised {
  display: block;
  width: 76px !important;
  height: auto !important;
  padding: 2px;
  border: none;
  box-shadow: none;
  background: transparent;
}
.group-window.is-minimised > .titlebar,
.group-window.is-minimised > .group-client { display: none; }
.group-window .min-icon { display: none; }
.group-window.is-minimised .min-icon { display: block; text-align: center; }
.group-window.is-minimised .min-icon .glyph { width: 32px; height: 32px; margin: 0 auto 3px; }
.group-window.is-minimised .min-icon .label { background: var(--face); padding: 0 2px; }

/* --- Content typography inside app windows -------------------------------- */
.win-client h1, .win-client h2, .win-client h3 { margin: 0 0 6px; font-size: 12px; }
.win-client h1 { font-size: 14px; }
.win-client p  { margin: 0 0 10px; }
.win-client ul { margin: 0 0 10px; padding-left: 18px; }
.win-client li { margin-bottom: 3px; }
.win-client a  { color: var(--c-navy); }
.win-client a:visited { color: var(--c-purple); }
.doc-head { font-weight: bold; text-transform: uppercase; letter-spacing: .5px; }
.mono { font-family: var(--font-fixed); }
.tag {
  display: inline-block;
  padding: 0 4px;
  margin: 0 3px 3px 0;
  background: var(--face);
  border: 1px solid;
  border-color: var(--c-white) var(--c-gray) var(--c-gray) var(--c-white);
}

/* --- Splash / boot ------------------------------------------------------- */
#boot {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--c-black);
  color: var(--c-silver);
  font-family: var(--font-fixed);
  font-size: 14px;
  padding: 12px;
  white-space: pre-wrap;
}
#splash {
  position: fixed; inset: 0; z-index: 9998;
  background: var(--c-silver);
  display: none;
  place-items: center;
}
#splash .plate {
  width: min(560px, 86vw);
  padding: 28px 32px 22px;
  background: var(--face);
  border: 2px solid;
  border-color: var(--c-white) var(--c-black) var(--c-black) var(--c-white);
  text-align: center;
}
#splash .logo { margin: 0 auto 14px; display: block; }
#splash .big  { font-size: 22px; font-weight: bold; margin-bottom: 2px; }
#splash .ver  { font-size: 14px; margin-bottom: 18px; }
#splash .who  { font-size: 12px; }

/* --- Modal dialogs ------------------------------------------------------- */
#modal-layer {
  position: fixed; inset: 0; z-index: 8000;
  display: none;
}
#modal-layer.is-open { display: block; }
.dialog { position: absolute; padding: 3px; }
.dialog .dlg-body { padding: 14px 16px 12px; display: flex; gap: 14px; }
.dialog .dlg-icon { width: 32px; height: 32px; flex: none; }
.dialog .dlg-text { flex: 1; padding-top: 2px; }
.dialog .dlg-buttons {
  display: flex; justify-content: center; gap: 8px;
  padding: 0 16px 14px;
}

/* --- MS-DOS Prompt ------------------------------------------------------- */
.dos {
  background: var(--c-black);
  color: var(--c-silver);
  font-family: var(--font-fixed);
  font-size: 13px;
  line-height: 1.2;
  padding: 4px 6px;
  height: 100%;
  overflow: auto;
  -webkit-user-select: text;
  user-select: text;
}
.dos .line { white-space: pre-wrap; word-break: break-word; min-height: 1.2em; }
.dos .in { display: flex; }
.dos .in input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--c-silver);
  font: inherit;
  padding: 0;
  caret-color: var(--c-silver);
  caret-shape: block;
}
.dos .caret {
  display: inline-block;
  width: 8px; height: 14px;
  background: var(--c-silver);
  vertical-align: text-bottom;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* --- Minesweeper --------------------------------------------------------- */
.mine-wrap { padding: 6px; }
.mine-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 5px;
  margin-bottom: 6px;
  border: 1px solid;
  border-color: var(--c-gray) var(--c-white) var(--c-white) var(--c-gray);
  box-shadow: inset 1px 1px 0 var(--c-black);
}
.mine-lcd {
  background: var(--c-black);
  color: var(--c-red);
  font-family: var(--font-fixed);
  font-size: 20px;
  line-height: 1;
  padding: 2px 4px;
  letter-spacing: 1px;
  border: 1px solid var(--c-gray);
}
.mine-face {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  font-size: 15px;
  background: var(--face);
  border: 1px solid;
  border-color: var(--c-white) var(--c-black) var(--c-black) var(--c-white);
  box-shadow: inset -1px -1px 0 var(--c-gray);
}
.mine-face:active { border-color: var(--c-black) var(--c-white) var(--c-white) var(--c-black); }
.mine-grid {
  display: grid;
  border: 1px solid;
  border-color: var(--c-gray) var(--c-white) var(--c-white) var(--c-gray);
  box-shadow: inset 1px 1px 0 var(--c-black);
  width: max-content;
}
.mine-cell {
  width: 16px; height: 16px;
  display: grid; place-items: center;
  font-family: var(--font-fixed);
  font-size: 12px;
  font-weight: bold;
  background: var(--face);
  border: 1px solid;
  border-color: var(--c-white) var(--c-gray) var(--c-gray) var(--c-white);
}
.mine-cell.open {
  border: 1px solid var(--c-gray);
  border-right-color: var(--face);
  border-bottom-color: var(--face);
}
.mine-cell.boom { background: var(--c-red); }
.m1 { color: var(--c-blue); }   .m2 { color: var(--c-green); }
.m3 { color: var(--c-red); }    .m4 { color: var(--c-navy); }
.m5 { color: var(--c-maroon); } .m6 { color: var(--c-teal); }
.m7 { color: var(--c-black); }  .m8 { color: var(--c-gray); }

/* --- Small screens: no window management, stack it ----------------------- */
body.is-touch .grip { display: none; }
@media (max-width: 720px) {
  .icon { width: 72px; }
  .dialog { width: min(320px, 92vw) !important; }
}

/* --- Placeholder markers ------------------------------------------------- */
/* Wrap anything you still need to write in <span class="todo">. Highlighted
   here so it is impossible to ship by accident; delete this rule when done. */
.todo {
  background: var(--c-yellow);
  color: var(--c-maroon);
  padding: 0 2px;
  border: 1px dotted var(--c-maroon);
}