/* =========================================================
   SEQUENCE//OS  —  a retro lab operating system
   Hand-built. No framework. No template.
   Palette: deep lab black + CRT green + vaporwave neon
   ========================================================= */

:root{
  --bg:        #07070d;
  --bg-2:      #0c0d18;
  --panel:     #11122080;
  --ink:       #c7ffe9;
  --green:     #39ff14;
  --green-dim: #1c8a3e;
  --magenta:   #ff2e88;
  --cyan:      #00f0ff;
  --amber:     #ffb000;
  --violet:    #b06bff;
  --line:      #2a2f4a;
  --shadow-neon: 0 0 4px currentColor, 0 0 14px currentColor;
  --mono: "VT323", "Courier New", monospace;
  --pixel: "Press Start 2P", "VT323", monospace;
  --glyph: "Major Mono Display", "VT323", monospace;
}

*{ box-sizing:border-box; }

html,body{
  margin:0; height:100%;
  background:
    radial-gradient(120% 80% at 50% -10%, #16183180 0%, transparent 60%),
    repeating-linear-gradient(0deg, #0a0b14 0 2px, #08090f 2px 4px),
    var(--bg);
  color:var(--ink);
  font-family:var(--mono);
  font-size:20px;
  overflow:hidden;
  cursor: crosshair;
  -webkit-font-smoothing:none;
}

/* subtle animated grid floor for depth */
body::before{
  content:""; position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(120% 90% at 50% 120%, #000 10%, transparent 70%);
  opacity:.18;
  animation: drift 18s linear infinite;
}
@keyframes drift{ to{ background-position: 0 48px, 48px 0; } }

button{ font-family:inherit; cursor:pointer; }
::selection{ background:var(--magenta); color:#000; }

/* ===================== CRT OVERLAY ===================== */
.crt{ position:fixed; inset:0; z-index:9999; pointer-events:none; }
.crt-scanlines{
  position:absolute; inset:0;
  background:repeating-linear-gradient(0deg, rgba(0,0,0,.28) 0 1px, transparent 1px 3px);
  mix-blend-mode:multiply;
}
.crt-glow{
  position:absolute; inset:0;
  background:radial-gradient(120% 100% at 50% 50%, transparent 60%, rgba(57,255,20,.04) 100%);
}
.crt-vignette{
  position:absolute; inset:0;
  box-shadow: inset 0 0 140px 30px rgba(0,0,0,.85);
  border-radius:14px;
}
.crt-flicker{
  position:absolute; inset:0; background:rgba(120,255,200,.02);
  animation:flicker .12s infinite steps(2);
}
@keyframes flicker{ 0%{opacity:.10} 50%{opacity:.02} 100%{opacity:.08} }

body.mutate{ filter: hue-rotate(180deg) saturate(1.6) contrast(1.1); }
body.mutate .crt-flicker{ animation-duration:.05s; }

/* ===================== BOOT ===================== */
.boot{
  position:fixed; inset:0; z-index:9000;
  background:var(--bg);
  display:flex; align-items:center; justify-content:center;
  padding:24px;
  animation: powerOn .9s ease-out;
}
@keyframes powerOn{
  0%{ transform:scale(1,.004); filter:brightness(6); opacity:0; }
  40%{ transform:scale(1,.004); filter:brightness(6); opacity:1; }
  70%{ transform:scale(1,1); filter:brightness(1.6); }
  100%{ transform:scale(1,1); filter:brightness(1); }
}
.boot.poweroff{ animation: powerOff .6s ease-in forwards; }
@keyframes powerOff{
  0%{ transform:scale(1,1); opacity:1; }
  60%{ transform:scale(1,.006); filter:brightness(5); }
  100%{ transform:scale(.6,.001); opacity:0; filter:brightness(10); }
}
.boot-inner{ width:min(820px,100%); }
.boot-logo{
  color:var(--green); text-shadow:var(--shadow-neon);
  font-size:8px; line-height:1.1; margin:0 0 18px;
  white-space:pre; overflow:hidden;
}
.boot-log{ color:var(--green-dim); min-height:230px; line-height:1.25; }
.boot-log .ok{ color:var(--green); }
.boot-log .warn{ color:var(--amber); }
.boot-log .hi{ color:var(--cyan); }
.boot-bar{
  margin-top:14px; height:18px; border:2px solid var(--green-dim);
  background:#05140a; padding:2px;
}
.boot-bar-fill{ height:100%; width:0; background:var(--green); box-shadow:var(--shadow-neon); color:var(--green); }
.boot-skip{
  margin-top:14px; background:none; border:none; color:#3a5e44;
  font-family:var(--mono); font-size:18px; letter-spacing:1px;
}
.boot-skip:hover{ color:var(--cyan); }

/* ===================== DESKTOP ===================== */
.desktop{ position:fixed; inset:0; z-index:1; display:flex; flex-direction:column; }

/* top menu bar */
.menubar{
  display:flex; align-items:center; gap:18px;
  height:30px; padding:0 12px;
  background:linear-gradient(#15172b, #0c0d18);
  border-bottom:2px solid var(--line);
  font-size:18px; user-select:none; position:relative; z-index:5;
}
.menubar-logo{ color:var(--cyan); text-shadow:var(--shadow-neon); letter-spacing:1px; }
.menubar-logo b{ color:var(--magenta); }
.menubar-item{ color:var(--ink); padding:2px 6px; }
.menubar-item:hover{ background:var(--magenta); color:#000; cursor:pointer; }
.menubar-ticker{
  margin-left:auto; color:var(--green-dim); font-size:16px;
  white-space:nowrap; overflow:hidden; max-width:34vw; letter-spacing:2px;
}
.menubar-ticker b{ color:var(--green); text-shadow:var(--shadow-neon); }
.menubar-clock{ color:var(--amber); text-shadow:var(--shadow-neon); min-width:88px; text-align:right; }

/* desktop icons */
.icons{
  position:absolute; top:46px; left:14px; z-index:2;
  display:flex; flex-direction:column; flex-wrap:wrap; gap:6px;
  max-height: calc(100vh - 160px); width:120px;
}
.icon{
  width:96px; padding:8px 4px 6px; text-align:center;
  background:transparent; border:1px dashed transparent; border-radius:6px;
  display:flex; flex-direction:column; align-items:center; gap:4px;
  color:var(--ink); font-size:15px; line-height:1.05;
}
.icon:hover{ border-color:var(--cyan); background:#00f0ff14; }
.icon.sel{ border-style:solid; border-color:var(--magenta); background:#ff2e8820; }
.icon-glyph{
  font-size:34px; filter:drop-shadow(0 0 6px rgba(57,255,20,.5));
}
.icon-cap{ word-break:break-word; }

/* marquee strip */
.strip{
  position:absolute; bottom:34px; left:0; right:0; z-index:2;
  height:24px; overflow:hidden; border-top:1px solid var(--line);
  border-bottom:1px solid var(--line); background:#0a0b1480;
}
.strip-track{
  display:inline-block; white-space:nowrap; padding-top:1px;
  color:var(--violet); font-size:17px; letter-spacing:1px;
  animation: scrollx 28s linear infinite;
}
.strip-track b{ color:var(--magenta); }
.strip-track i{ color:var(--cyan); font-style:normal; }
@keyframes scrollx{ from{ transform:translateX(100vw); } to{ transform:translateX(-100%); } }

/* ===================== WINDOWS ===================== */
.win{
  position:absolute; z-index:10; width:440px;
  background:linear-gradient(180deg,#0e1020f2,#0a0b14f2);
  border:1px solid var(--cyan);
  box-shadow: 0 0 0 1px #000, 0 0 22px #00f0ff44, 8px 10px 0 #000a;
  display:flex; flex-direction:column;
  animation: winpop .14s ease-out;
}
@keyframes winpop{ from{ transform:scale(.94); opacity:0; } to{ transform:scale(1); opacity:1; } }
.win.focused{ border-color:var(--magenta); box-shadow:0 0 0 1px #000, 0 0 26px #ff2e8855, 8px 10px 0 #000a; z-index:50; }
.win.min{ display:none; }
.win.max{ inset:30px 0 60px 0 !important; width:auto !important; }

.win-bar{
  display:flex; align-items:center; gap:8px;
  padding:5px 9px; cursor:move; user-select:none;
  background:repeating-linear-gradient(90deg,#1a1d36 0 2px,#13152b 2px 4px);
  border-bottom:1px solid var(--line);
}
.win.focused .win-bar{ background:repeating-linear-gradient(90deg,#2a1430 0 2px,#1d0f24 2px 4px); }
.win-dot{ width:13px; height:13px; border-radius:50%; border:1px solid #000; display:inline-block; }
.win-dot--c{ background:var(--magenta); }
.win-dot--m{ background:var(--amber); }
.win-dot--x{ background:var(--green); }
.win-dot:hover{ box-shadow:var(--shadow-neon); }
.win-title{ margin-left:6px; color:var(--ink); font-size:18px; letter-spacing:1px; }
.win-spec{ margin-left:auto; color:var(--green-dim); font-size:14px; }

.win-body{
  padding:14px 16px; overflow:auto; max-height:62vh; min-height:60px;
  line-height:1.3; font-size:19px;
  scrollbar-color: var(--green) #0a0b14;
}
.win-body::-webkit-scrollbar{ width:12px; }
.win-body::-webkit-scrollbar-thumb{ background:var(--green-dim); border:2px solid #0a0b14; }
.win-foot{
  display:flex; justify-content:space-between; padding:3px 10px;
  border-top:1px solid var(--line); color:var(--green-dim); font-size:14px;
}
.blink{ animation:blink 1s steps(2) infinite; color:var(--green); }
@keyframes blink{ 50%{ opacity:0; } }

/* window content helpers */
.win-body h2{ font-family:var(--pixel); font-size:13px; color:var(--cyan);
  text-shadow:var(--shadow-neon); margin:0 0 12px; line-height:1.5; }
.win-body h3{ color:var(--magenta); font-size:20px; margin:14px 0 4px; letter-spacing:1px; }
.win-body a{ color:var(--green); text-decoration:none; border-bottom:1px dotted var(--green-dim); }
.win-body a:hover{ color:#000; background:var(--green); }
.win-body p{ margin:0 0 10px; }
.win-body hr{ border:none; border-top:1px dashed var(--line); margin:12px 0; }
.kv{ color:var(--amber); }
.tag{ display:inline-block; padding:1px 7px; margin:2px 4px 2px 0; font-size:14px;
  border:1px solid var(--violet); color:var(--violet); }
.muted{ color:#5a6480; }

/* project specimen card */
.specimen{ border:1px solid var(--line); padding:10px 12px; margin:0 0 12px;
  background:#0c0e1c80; position:relative; }
.specimen::before{ content:attr(data-id); position:absolute; top:-9px; right:8px;
  background:var(--bg); padding:0 6px; color:var(--green-dim); font-size:13px; }
.specimen.wip{ border-style:dashed; }
.specimen .name{ color:var(--cyan); font-size:21px; text-shadow:var(--shadow-neon); }
.specimen .status{ float:right; font-size:14px; }
.status.live{ color:var(--green); } .status.wip{ color:var(--amber); }
.status.idea{ color:var(--violet); } .status.dead{ color:#6a4; }
.btn{ display:inline-block; margin-top:8px; padding:3px 12px;
  border:1px solid var(--cyan); color:var(--cyan); background:#00f0ff10; font-size:16px; }
.btn:hover{ background:var(--cyan); color:#000 !important; }
.btn.disabled{ border-color:#444c66; color:#444c66; pointer-events:none; background:none; }

/* terminal / guestbook */
.term{ font-size:18px; }
.term .line{ white-space:pre-wrap; }
.term .prompt{ color:var(--green); }
.term-input{ width:100%; background:#05140a; border:1px solid var(--green-dim);
  color:var(--green); font-family:var(--mono); font-size:18px; padding:6px 8px; margin-top:8px; }
.term-input:focus{ outline:1px solid var(--green); }

/* ===================== TASKBAR ===================== */
.taskbar{
  margin-top:auto; height:34px; display:flex; align-items:center; gap:8px;
  padding:0 8px; background:linear-gradient(#15172b,#0a0b14);
  border-top:2px solid var(--line); z-index:60; position:relative;
}
.start{
  background:linear-gradient(#2a1430,#190b20); color:var(--magenta);
  border:1px solid var(--magenta); padding:3px 12px; font-size:17px;
  letter-spacing:1px; text-shadow:var(--shadow-neon);
}
.start:hover{ background:var(--magenta); color:#000; }
.start.on{ background:var(--magenta); color:#000; }
.tasks{ display:flex; gap:6px; overflow:hidden; flex:1; }
.task{
  max-width:200px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
  background:#11132480; border:1px solid var(--line); color:var(--ink);
  padding:3px 10px; font-size:16px;
}
.task.active{ border-color:var(--cyan); color:var(--cyan); }
.task:hover{ border-color:var(--cyan); }
.tray{ display:flex; align-items:center; gap:14px; color:var(--green-dim); font-size:15px; }
.tray-counter{ color:var(--cyan); }
.tray-badge{ color:var(--green); text-shadow:var(--shadow-neon); }

/* start menu */
.startmenu{
  position:absolute; bottom:36px; left:8px; z-index:70; width:300px;
  background:linear-gradient(180deg,#0e1020,#0a0b14);
  border:1px solid var(--magenta); box-shadow:0 0 24px #ff2e8855;
  display:flex; overflow:hidden;
}
.startmenu-rail{
  writing-mode:vertical-rl; transform:rotate(180deg);
  background:linear-gradient(var(--magenta),var(--violet)); color:#000;
  font-family:var(--pixel); font-size:13px; padding:14px 6px; letter-spacing:2px;
}
.startmenu-list{ flex:1; padding:6px; }
.sm-item{ padding:6px 10px; color:var(--ink); font-size:18px; display:flex; gap:8px; align-items:center; }
.sm-item:hover{ background:var(--cyan); color:#000; }
.sm-item .st{ margin-left:auto; font-size:13px; }

/* ===================== RESPONSIVE ===================== */
@media (max-width:680px){
  html,body{ font-size:18px; cursor:auto; }
  .icons{ flex-direction:row; width:auto; right:14px; max-height:none; }
  .icon{ width:74px; }
  .win{ width:92vw !important; left:4vw !important; }
  .menubar-ticker{ display:none; }
  .boot-logo{ font-size:5px; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.01ms !important; }
  .crt-flicker{ display:none; }
}