/* Browser "Xinu desktop" simulator — multi-window WM + BASIC window. */
.xinu-body {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(1000px 600px at 80% -10%, rgba(94,177,255,0.18), transparent),
    radial-gradient(800px 500px at 0% 100%, rgba(183,140,255,0.16), transparent),
    #070b12;
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  color: #d8dee9;
  user-select: none;
}

/* Top bar */
.xinu-topbar {
  height: 30px;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 0.9rem;
  background: rgba(13,17,23,0.85);
  border-bottom: 1px solid #232b38;
  font-size: 12px;
  backdrop-filter: blur(8px);
}
.xinu-topbar .logo { font-weight: 800; color: #5eb1ff; letter-spacing: 0.06em; }
.xinu-topbar .spacer { flex: 1; }
.xinu-topbar .who { color: #8b949e; }
.xinu-topbar a { color: #8b949e; text-decoration: none; }
.xinu-topbar a:hover { color: #fff; }
.xinu-topbar .clock { color: #b78cff; }

/* Desktop area */
.xinu-desktop { position: relative; width: 100vw; height: calc(100vh - 30px - 34px); }

/* Window */
.xwin {
  position: absolute;
  min-width: 240px; min-height: 140px;
  background: #0d1320;
  border: 1px solid #2b3650;
  border-radius: 9px;
  box-shadow: 0 14px 40px rgba(0,0,0,0.5);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.xwin.active { border-color: #5eb1ff; box-shadow: 0 16px 50px rgba(94,177,255,0.25); }
.xwin-title {
  height: 26px; display: flex; align-items: center; gap: 0.5rem;
  padding: 0 0.5rem; cursor: move;
  background: linear-gradient(180deg,#182236,#121a2b);
  border-bottom: 1px solid #2b3650; font-size: 12px;
}
.xwin.active .xwin-title { background: linear-gradient(180deg,#1d3050,#15233a); }
.xwin-title .t { flex: 1; color: #cbd5e6; font-weight: 600; }
.xwin-btn {
  width: 13px; height: 13px; border-radius: 50%; border: none; cursor: pointer;
}
.xwin-btn.close { background: #ff5f56; }
.xwin-btn.min { background: #ffbd2e; }
.xwin-body { flex: 1; overflow: auto; padding: 0.6rem 0.7rem; font-size: 12.5px; line-height: 1.5; }
.xwin-resize {
  position: absolute; right: 0; bottom: 0; width: 16px; height: 16px;
  cursor: nwse-resize; background:
    linear-gradient(135deg, transparent 50%, #3b4757 50%, #3b4757 60%, transparent 60%, transparent 70%, #3b4757 70%, #3b4757 80%, transparent 80%);
}

/* Console / shell */
.con-out { white-space: pre-wrap; }
.con-line { white-space: pre-wrap; }
.con-input { display: flex; align-items: center; gap: 0.3rem; margin-top: 0.2rem; }
.con-input .ps1 { color: #56d364; }
.con-input input {
  flex: 1; background: transparent; border: none; outline: none;
  color: #d8dee9; font-family: inherit; font-size: 12.5px;
}
.boot-ok { color: #56d364; }
.boot-info { color: #8b949e; }

/* Process table */
.proc-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.proc-table th, .proc-table td { text-align: left; padding: 3px 8px; border-bottom: 1px solid #1d2636; }
.proc-table th { color: #5eb1ff; }
.state-curr { color: #56d364; }
.state-ready { color: #d8dee9; }
.state-wait { color: #8b949e; }
.state-susp { color: #ffbd2e; }
.actor-mark { color: #56d364; font-weight: 700; font-size: 11px; }
.sys-mark { color: #8b949e; font-size: 11px; }

/* BASIC window */
.basic-wrap { display: flex; flex-direction: column; height: 100%; gap: 6px; }
.basic-toolbar { display: flex; gap: 6px; flex-wrap: wrap; }
.basic-toolbar button, .basic-toolbar select {
  background: #182236; color: #d8dee9; border: 1px solid #2b3650;
  border-radius: 6px; padding: 3px 9px; font-family: inherit; font-size: 11.5px; cursor: pointer;
}
.basic-toolbar button:hover { border-color: #5eb1ff; color: #fff; }
.basic-split { display: flex; gap: 8px; flex: 1; min-height: 0; }
.basic-code {
  flex: 1; min-width: 0; resize: none;
  background: #070b12; color: #e6edf3; border: 1px solid #2b3650; border-radius: 7px;
  padding: 8px; font-family: inherit; font-size: 12px; line-height: 1.45; tab-size: 2;
}
.basic-right { width: 260px; display: flex; flex-direction: column; gap: 6px; }
#basic-canvas { background: #000; border: 1px solid #2b3650; border-radius: 7px; width: 100%; image-rendering: pixelated; }
.basic-output {
  flex: 1; overflow: auto; background: #070b12; border: 1px solid #2b3650; border-radius: 7px;
  padding: 6px 8px; font-size: 12px; white-space: pre-wrap; color: #9ece6a; min-height: 60px;
}

/* Taskbar */
.xinu-taskbar {
  height: 34px; display: flex; align-items: center; gap: 6px; padding: 0 8px;
  background: rgba(13,17,23,0.9); border-top: 1px solid #232b38;
  position: fixed; bottom: 0; left: 0; right: 0;
}
.task-btn {
  background: #141c2b; color: #cbd5e6; border: 1px solid #2b3650; border-radius: 6px;
  padding: 4px 12px; font-size: 11.5px; cursor: pointer; font-family: inherit;
}
.task-btn.active { background: #1d3050; border-color: #5eb1ff; color: #fff; }

/* SHIFT+click desktop pulldown menu */
.xinu-menu {
  position: fixed; z-index: 9999; min-width: 168px;
  background: #0d1320; border: 1px solid #2b3650; border-radius: 8px;
  box-shadow: 0 12px 34px rgba(0,0,0,0.55); padding: 4px;
  font-family: inherit; font-size: 12px; color: #cbd5e6;
}
.xinu-menu-item { padding: 6px 12px; border-radius: 6px; cursor: pointer; white-space: nowrap; }
.xinu-menu-item:hover { background: #1d3050; color: #fff; }
.xinu-menu-sep { height: 1px; margin: 4px 6px; background: #2b3650; }

/* Actors (.avm) browser */
.avm-list {
  flex: 1; min-height: 0; overflow: auto; outline: none;
  background: #070b12; border: 1px solid #2b3650; border-radius: 7px; padding: 4px;
}
.avm-item {
  display: flex; align-items: center; gap: 8px; padding: 5px 8px;
  border-radius: 6px; cursor: pointer; font-size: 12px; color: #d8dee9;
}
.avm-item:hover { background: #141c2b; }
.avm-item .avm-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.avm-item .avm-size { color: #8b949e; font-size: 11px; }
/* 反転 (invert) when selected */
.avm-item.sel { background: #5eb1ff; color: #07101f; }
.avm-item.sel .avm-size { color: #0d2238; }

/* Access denied panel */
.xinu-denied {
  max-width: 460px; margin: 12vh auto; padding: 2rem;
  background: #0d1320; border: 1px solid #2b3650; border-radius: 14px; text-align: center;
}
.xinu-denied h1 { color: #ff7b72; font-size: 1.3rem; margin: 0 0 0.6rem; }
.xinu-denied p { color: #8b949e; font-size: 0.95rem; }
.xinu-denied a { color: #5eb1ff; }