/* ── WIN95 SYSTEM ────────────────────────────────── */
:root {
  --chrome: #c0c0c0;
  --white:  #ffffff;
  --light:  #dfdfdf;
  --mid:    #808080;
  --dark:   #404040;
  --navy:   #000080;
  --blue:   #1084d0;
  --teal:   #008080;
  --black:  #000000;
  --fs:     13px;
  --tb-h:   46px;
}

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

body, button, input, label {
  font-family: "MS Sans Serif", Tahoma, Arial, sans-serif;
  font-size: var(--fs);
  color: var(--black);
}

.hidden { display: none !important; }

/* ── DESKTOP ─────────────────────────────────────── */
#desktop {
  width: 100vw;
  height: 100vh;
  background: var(--teal);
  position: relative;
  overflow: hidden;
  padding-bottom: var(--tb-h);
}

/* ── DESKTOP ICONS ───────────────────────────────── */
#icon-grid {
  position: absolute;
  inset: 0;
  bottom: var(--tb-h);
  pointer-events: none;
}

.desk-icon {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 5px;
  cursor: default;
  outline: none;
  width: 90px;
  pointer-events: all;
  user-select: none;
}

.icon-img {
  font-size: 36px;
  line-height: 1;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-label {
  font-size: 12px;
  color: var(--white);
  text-align: center;
  text-shadow: 1px 1px 1px var(--black);
  line-height: 1.3;
  padding: 0 3px;
  word-break: break-word;
}

.li-icon {
  background: #0077b5;
  color: #ffffff;
  font-family: "MS Sans Serif", Tahoma, Arial, sans-serif;
  font-size: 22px;
  font-weight: bold;
  border-radius: 4px;
}

.gh-icon {
  background: #1a1a1a;
  border-radius: 50%;
}

.desk-icon:focus .icon-img  { outline: 1px dotted var(--white); filter: brightness(0.6) sepia(0.8) hue-rotate(200deg); }
.desk-icon:focus .icon-label { background: var(--navy); color: var(--white); outline: 1px dotted var(--white); }

/* ── WINDOWS ─────────────────────────────────────── */
.window {
  position: absolute;
  width: min(980px, calc(100vw - 24px));
  height: min(720px, calc(100vh - var(--tb-h) - 24px));
  background: var(--chrome);
  border-top:    2px solid var(--white);
  border-left:   2px solid var(--white);
  border-right:  2px solid var(--dark);
  border-bottom: 2px solid var(--dark);
  box-shadow: inset 1px 1px 0 var(--light), inset -1px -1px 0 var(--mid),
              2px 2px 0 var(--black);
  display: none;          /* JS sets 'flex' when open */
  flex-direction: column;
  z-index: 10;
}

/* ── TITLE BAR ───────────────────────────────────── */
.title-bar {
  background: var(--mid);
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 5px 4px 7px;
  cursor: default;
  user-select: none;
  flex-shrink: 0;
}

.window.focused .title-bar,
.title-bar.focused {
  background: linear-gradient(to right, var(--navy) 0%, var(--blue) 100%);
}

.title-icon { font-size: 15px; flex-shrink: 0; }
.title-text  { flex: 1; color: var(--white); font-weight: bold; font-size: var(--fs); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.win-controls { display: flex; gap: 2px; flex-shrink: 0; }

.win-btn {
  width: 18px; height: 16px;
  background: var(--chrome);
  border-top:    1px solid var(--white);
  border-left:   1px solid var(--white);
  border-right:  1px solid var(--dark);
  border-bottom: 1px solid var(--dark);
  box-shadow: inset 1px 1px 0 var(--light), inset -1px -1px 0 var(--mid);
  font-size: 10px; font-family: inherit; cursor: default;
  display: flex; align-items: center; justify-content: center;
  padding: 0; color: var(--black);
  touch-action: manipulation;
}
.win-btn:active {
  border-top: 1px solid var(--dark); border-left: 1px solid var(--dark);
  border-right: 1px solid var(--white); border-bottom: 1px solid var(--white);
  box-shadow: inset 1px 1px 0 var(--mid); padding: 1px 0 0 1px;
}

/* ── ADDRESS BAR ─────────────────────────────────── */
.addr-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 6px;
  border-bottom: 1px solid var(--mid);
  flex-shrink: 0;
}

.addr-label {
  font-size: 11px;
  color: var(--black);
  white-space: nowrap;
}

.addr-field {
  flex: 1;
  background: var(--white);
  border-top:    1px solid var(--mid);
  border-left:   1px solid var(--mid);
  border-right:  1px solid var(--light);
  border-bottom: 1px solid var(--light);
  box-shadow: inset 1px 1px 0 var(--dark);
  padding: 2px 6px;
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--navy);
}

/* ── FRAME AREA ──────────────────────────────────── */
.frame-wrap {
  flex: 1;
  min-height: 0;
  position: relative;
  background: var(--white);
  border-top:    1px solid var(--mid);
  border-left:   1px solid var(--mid);
  border-right:  1px solid var(--light);
  border-bottom: 1px solid var(--light);
  box-shadow: inset 1px 1px 0 var(--dark);
  margin: 4px 4px 0;
}

.project-frame {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* Loading overlay */
.frame-loading {
  position: absolute;
  inset: 0;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--mid);
  z-index: 2;
  gap: 8px;
}

.frame-loading.done { display: none; }

/* Coming-soon placeholder */
.frame-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: var(--white);
  color: var(--dark);
}
.ph-icon  { font-size: 56px; }
.ph-title { font-size: 16px; font-weight: bold; }
.ph-msg   { font-size: 12px; color: var(--mid); }

.ph-open {
  margin-top: 6px;
  display: inline-block;
  background: var(--chrome);
  border-top:    2px solid var(--white);
  border-left:   2px solid var(--white);
  border-right:  2px solid var(--dark);
  border-bottom: 2px solid var(--dark);
  box-shadow: inset 1px 1px 0 var(--light), inset -1px -1px 0 var(--mid);
  padding: 5px 20px;
  font-family: "MS Sans Serif", Tahoma, Arial, sans-serif;
  font-size: 13px;
  text-decoration: none;
  color: var(--black);
  cursor: default;
}
.ph-open:hover { background: #c8c8c8; }

/* ── SCREENSHOT (noframe) ────────────────────────── */
.frame-screenshot {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #fff;
}
.frame-screenshot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.screenshot-visit {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--chrome);
  border-top:    2px solid var(--white);
  border-left:   2px solid var(--white);
  border-right:  2px solid var(--dark);
  border-bottom: 2px solid var(--dark);
  box-shadow: inset 1px 1px 0 var(--light), inset -1px -1px 0 var(--mid);
  padding: 3px 10px;
  font-family: "MS Sans Serif", Tahoma, Arial, sans-serif;
  font-size: 12px;
  text-decoration: none;
  color: var(--black);
  cursor: default;
  z-index: 2;
}
.screenshot-visit:hover { background: #c8c8c8; }

/* ── STATUS BAR ──────────────────────────────────── */
.status-bar {
  display: flex;
  gap: 4px;
  padding: 3px 5px;
  border-top: 1px solid var(--mid);
  flex-shrink: 0;
}
.status-cell {
  border-top:    1px solid var(--mid);
  border-left:   1px solid var(--mid);
  border-right:  1px solid var(--white);
  border-bottom: 1px solid var(--white);
  padding: 1px 8px;
  font-size: 11px;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── START MENU ──────────────────────────────────── */
#start-menu {
  position: fixed;
  bottom: var(--tb-h);
  left: 0;
  display: flex;
  border-top:   2px solid var(--white);
  border-left:  2px solid var(--white);
  border-right: 2px solid var(--dark);
  border-bottom: 2px solid var(--dark);
  box-shadow: inset 1px 1px 0 var(--light), inset -1px -1px 0 var(--mid), 2px 2px 0 var(--black);
  background: var(--chrome);
  z-index: 11000;
}

.start-sidebar {
  width: 26px;
  background: linear-gradient(to top, var(--dark) 0%, var(--mid) 100%);
  display: flex; align-items: flex-end; justify-content: center;
  padding-bottom: 8px;
}
.sidebar-brand {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  color: rgba(255,255,255,0.35);
  font-size: 15px; font-weight: bold;
  letter-spacing: 3px; white-space: nowrap; user-select: none;
}

.start-items { display: flex; flex-direction: column; min-width: 190px; }

.start-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px 7px 8px; cursor: default;
  white-space: nowrap; font-size: var(--fs);
  touch-action: manipulation;
}
.start-item:hover { background: var(--navy); color: var(--white); }
.start-item:hover .si-arrow { color: var(--white); }

.si-icon  { font-size: 18px; width: 22px; text-align: center; }
.si-label { flex: 1; }
.si-arrow { color: var(--dark); font-size: 10px; }

.start-sep { border-top: 1px solid var(--mid); border-bottom: 1px solid var(--white); margin: 2px 4px; }

/* ── PROGRAMS SUBMENU ────────────────────────────── */
#programs-submenu {
  position: fixed;
  bottom: var(--tb-h);
  left: 222px;
  background: var(--chrome);
  border-top:   2px solid var(--white);
  border-left:  2px solid var(--white);
  border-right: 2px solid var(--dark);
  border-bottom: 2px solid var(--dark);
  box-shadow: inset 1px 1px 0 var(--light), inset -1px -1px 0 var(--mid), 2px 2px 0 var(--black);
  z-index: 11001;
  min-width: 190px;
}

.sub-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 14px 7px 8px; cursor: default;
  white-space: nowrap; font-size: var(--fs);
}
.sub-item:hover { background: var(--navy); color: var(--white); }
.sub-icon { font-size: 16px; width: 20px; text-align: center; }

/* ── DIALOG WINDOWS ──────────────────────────────── */
.dialog {
  width: 400px !important;
  height: auto !important;
  position: fixed !important;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 12000;
  flex-direction: column;
}

.dialog-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--chrome);
}

.run-row { display: flex; align-items: flex-start; gap: 12px; }
.run-big-icon { font-size: 38px; flex-shrink: 0; }
.run-right { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.run-right p { font-size: var(--fs); line-height: 1.5; }

.run-input-row { display: flex; align-items: center; gap: 8px; }
.run-input-row label { white-space: nowrap; }
.run-input-row input {
  flex: 1; padding: 3px 5px;
  font-family: inherit; font-size: var(--fs);
  border-top:    1px solid var(--mid); border-left:   1px solid var(--mid);
  border-right:  1px solid var(--light); border-bottom: 1px solid var(--light);
  box-shadow: inset 1px 1px 0 var(--dark);
  background: var(--white); outline: none;
}

.run-buttons { display: flex; gap: 8px; justify-content: flex-end; }

.dlg-btn {
  background: var(--chrome);
  border-top:    2px solid var(--white); border-left:   2px solid var(--white);
  border-right:  2px solid var(--dark);  border-bottom: 2px solid var(--dark);
  box-shadow: inset 1px 1px 0 var(--light), inset -1px -1px 0 var(--mid);
  padding: 4px 20px; font-family: inherit; font-size: var(--fs);
  cursor: default; min-width: 72px; text-align: center;
  touch-action: manipulation;
}
.dlg-btn:hover { background: #c8c8c8; }
.dlg-btn:active {
  border-top: 2px solid var(--dark); border-left: 2px solid var(--dark);
  border-right: 2px solid var(--white); border-bottom: 2px solid var(--white);
  box-shadow: inset 1px 1px 0 var(--mid); padding: 5px 19px 3px 21px;
}

/* ── SHUTDOWN ─────────────────────────────────────── */
#shutdown-screen {
  position: fixed; inset: 0;
  background: #000080;
  display: flex; align-items: center; justify-content: center;
  z-index: 99999;
  animation: fadeIn 0.6s ease;
}
.shutdown-inner { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 22px; }
.shutdown-logo  { font-size: 64px; }
.shutdown-text  { color: var(--white); font-size: 22px; font-weight: bold; line-height: 1.6; }
#shutdown-restart {
  background: var(--chrome);
  border-top:    2px solid var(--white); border-left:   2px solid var(--white);
  border-right:  2px solid var(--dark);  border-bottom: 2px solid var(--dark);
  box-shadow: inset 1px 1px 0 var(--light), inset -1px -1px 0 var(--mid);
  padding: 7px 28px; font-family: inherit; font-size: var(--fs); cursor: default; margin-top: 10px;
}
#shutdown-restart:active {
  border-top: 2px solid var(--dark); border-left: 2px solid var(--dark);
  border-right: 2px solid var(--white); border-bottom: 2px solid var(--white);
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ── TASKBAR ─────────────────────────────────────── */
#taskbar {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--tb-h);
  background: var(--chrome);
  border-top: 2px solid var(--white);
  box-shadow: inset 0 1px 0 var(--light);
  display: flex; align-items: center; gap: 5px;
  padding: 3px 5px; z-index: 9999;
}

#start-btn {
  background: var(--chrome);
  border-top:    2px solid var(--white); border-left:   2px solid var(--white);
  border-right:  2px solid var(--dark);  border-bottom: 2px solid var(--dark);
  box-shadow: inset 1px 1px 0 var(--light), inset -1px -1px 0 var(--mid);
  padding: 4px 14px; display: flex; align-items: center; gap: 7px;
  cursor: default; font-family: inherit; font-size: 15px; font-weight: bold; height: 34px;
}
#start-btn.active {
  border-top:    2px solid var(--dark); border-left:   2px solid var(--dark);
  border-right:  2px solid var(--white); border-bottom: 2px solid var(--white);
  box-shadow: inset 1px 1px 0 var(--mid);
}
.start-logo { font-size: 20px; }

.taskbar-divider { width: 2px; height: 34px; border-left: 1px solid var(--mid); border-right: 1px solid var(--white); flex-shrink: 0; }

#taskbar-windows { display: flex; gap: 3px; flex: 1; overflow: hidden; min-width: 0; }

.tb-win-btn {
  background: var(--chrome);
  border-top:    1px solid var(--white); border-left:   1px solid var(--white);
  border-right:  1px solid var(--dark);  border-bottom: 1px solid var(--dark);
  box-shadow: inset 1px 1px 0 var(--light), inset -1px -1px 0 var(--mid);
  padding: 4px 10px; height: 34px; min-width: 100px; max-width: 160px;
  font-family: inherit; font-size: var(--fs); cursor: default;
  display: flex; align-items: center; gap: 5px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.tb-win-btn.active {
  border-top:    1px solid var(--dark); border-left:   1px solid var(--dark);
  border-right:  1px solid var(--white); border-bottom: 1px solid var(--white);
  box-shadow: inset 1px 1px 0 var(--mid); background: #b4b4b4;
}
.tb-icon { font-size: 15px; }

#taskbar-clock-wrap {
  border-top:    1px solid var(--mid); border-left:   1px solid var(--mid);
  border-right:  1px solid var(--white); border-bottom: 1px solid var(--white);
  padding: 4px 12px; height: 34px; display: flex; align-items: center; white-space: nowrap;
}
#taskbar-clock { font-size: var(--fs); }

/* ── MOBILE ──────────────────────────────────────── */
@media (max-width: 600px) {
  /* Icon grid: centered flex wrap instead of absolute positions */
  #icon-grid {
    position: relative;
    inset: unset;
    display: grid;
    grid-template-columns: repeat(3, 80px);
    gap: 20px 16px;
    justify-content: start;
    align-content: start;
    padding: 28px 20px 20px;
    pointer-events: all;
    height: calc(100dvh - var(--tb-h));
    overflow-y: auto;
  }

  .dialog {
    width: calc(100vw - 32px) !important;
    max-width: 360px !important;
  }

  .desk-icon {
    position: relative !important;
    left: unset !important;
    top: unset !important;
    width: 80px;
  }

  .icon-img { font-size: 32px; width: 44px; height: 44px; }
  .icon-label { font-size: 11px; }

  /* Windows: full screen */
  .window {
    position: fixed !important;
    left: 0 !important;
    top: 0 !important;
    width: 100vw !important;
    height: calc(100dvh - var(--tb-h)) !important;
    box-shadow: none;
    border: none;
    z-index: 50;
  }

  /* Hide minimize/maximize on mobile — close only */
  .btn-min, .btn-max { display: none; }

  /* Taskbar: hide window buttons, keep start + clock */
  #taskbar-windows { display: none; }
  #taskbar { justify-content: space-between; }

  /* Start menu full-width on mobile */
  #start-menu {
    left: 0;
    right: 0;
    bottom: var(--tb-h);
    width: 100%;
  }

  /* Hide programs submenu arrow on mobile */
  .si-arrow { display: none; }
}