:root {
  --desk:      #17110b;
  --desk-line: #261d14;
  --win-bg:    #f3e8cc;
  --win-parch: #ede0bc;
  --win-bdr:   #1a1008;
  --tb-from:   #1c120a;
  --tb-to:     #0e0a06;
  --tb-txt:    #e8c060;
  --btn:       #d8c8a0;
  --btn-hi:    #f0e4c0;
  --btn-sh:    #7a6030;
  --text:      #1e1408;
  --muted:     #5a4828;
  --accent:    #c87820;
  --accent2:   #1f7a8c;
  --input-bg:  #faf4e4;
  --bar:       #0e0a06;
  --bar-txt:   #c8a848;
  --folder-bg: #e8d8b0;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { background: #000; }

body {
  font-family: 'Pixelify Sans', monospace;
  background: var(--desk);
  width: 100vw; height: 100vh;
  overflow: hidden;
  user-select: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ── CRT EFFECT (all static CSS layers, GPU-composited, no JS/no per-frame work) ── */
/* Scanlines */
body::after {
  content: '';
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px, transparent 2px,
    rgba(0,0,0,0.07) 2px, rgba(0,0,0,0.07) 3px
  );
  pointer-events: none;
  z-index: 9999;
}
/* Aperture-grille RGB phosphor mask — faint vertical stripes */
body::before {
  content: '';
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    to right,
    rgba(255,0,0,0.035) 0px, rgba(0,255,0,0.025) 1px,
    rgba(0,0,255,0.035) 2px, transparent 3px
  );
  pointer-events: none;
  z-index: 9998;
  mix-blend-mode: multiply;
}
/* Tube vignette + inner rim glow */
#crt-vignette {
  position: fixed; inset: 0; pointer-events: none; z-index: 9997;
  background: radial-gradient(ellipse 100% 100% at 50% 50%, transparent 58%, rgba(0,0,0,0.38) 100%);
  box-shadow: inset 0 0 140px rgba(0,0,0,0.45);
  mix-blend-mode: multiply;
}
body.scanlines-off::after,
body.scanlines-off::before,
body.scanlines-off #crt-vignette { display: none !important; }

#desktop {
  position: absolute;
  inset: 0 0 34px 0;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 10px;
  background-image: radial-gradient(var(--desk-line) 1px, transparent 1.5px);
  background-size: 24px 24px;
}

/* ── DESKTOP ICONS ── */
.d-icon {
  width: 82px;
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  padding: 7px 4px; cursor: pointer;
  border: 1px solid transparent;
}
.d-icon:hover   { border-color: #c8a040; background: rgba(200,160,64,.08); }
.d-icon.selected{ border-color: var(--accent2); background: rgba(31,122,140,.18); }
.d-icon .icon-img { font-size: 38px; filter: drop-shadow(1px 2px 0 #000000aa); }
.d-icon .icon-label {
  font-family: 'Pixelify Sans', monospace;
  font-size: 15px; color: #d8c070;
  text-align: center; line-height: 1.3; max-width: 78px;
  text-shadow: 1px 1px 0 #000;
}

/* ── WINDOWS ── */
@keyframes winOpen  { 0%,49%{opacity:0;transform:translateY(-6px)} 50%,100%{opacity:1;transform:translateY(0)} }
@keyframes winClose { 0%,49%{opacity:1} 50%,100%{opacity:0} }

.window {
  position: absolute;
  min-width: 300px; min-height: 160px;
  display: flex; flex-direction: column;
  background: var(--win-bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
  border: 2px solid var(--win-bdr);

  box-shadow: 3px 3px 0 rgba(10,6,2,0.5), 7px 9px 22px rgba(0,0,0,0.4), inset 1px 1px 0 var(--btn-hi), inset -1px -1px 0 var(--btn-sh);
  animation: winOpen .12s steps(2) both;
  z-index: 10;
}
.window.focused  { z-index: 100; }
.window.focused .titlebar { box-shadow: inset 0 -2px 0 var(--accent2); }
.window-body a { color: var(--accent2); }
.win-btn:focus-visible, .form-input:focus-visible, .cv-field:focus-visible,
.notes-area:focus-visible, .cv-textarea:focus-visible, .tag-add:focus-visible {
  outline: 2px solid var(--accent2); outline-offset: 1px;
}
.window.minimized{ display: none; }
.window.closing    { animation: winClose .10s steps(2) both; }
.window.maximized  { left:0!important;top:0!important;width:100vw!important;height:calc(100vh - 34px)!important;transition:none; }

.titlebar {
  background: linear-gradient(to right, var(--tb-from), var(--tb-to));
  color: var(--tb-txt);
  padding: 5px 8px;
  display: flex; align-items: center; gap: 6px;
  cursor: move;
  font-family: 'Pixelify Sans', monospace;
  font-size: 17px; letter-spacing: .5px;
  border-bottom: 1px solid var(--win-bdr);
  flex-shrink: 0;
}
.titlebar .title-text { flex: 1; }
.wbtn-group { display: flex; gap: 4px; align-items: center; flex-shrink: 0; }
.wbtn {
  width: 20px; height: 18px;
  border: 1px solid var(--win-bdr);
  background: var(--btn);
  box-shadow: inset 1px 1px 0 var(--btn-hi), inset -1px -1px 0 var(--btn-sh);
  cursor: pointer;
  padding: 0;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.wbtn::after {
  content: attr(data-sym);
  font-size: 11px; line-height: 1;
  color: var(--text);
  font-family: 'Pixelify Sans', monospace; font-weight: 600;
}
.wbtn:hover  { background: var(--btn-hi); }
.wbtn:active { box-shadow: inset -1px -1px 0 var(--btn-hi), inset 1px 1px 0 var(--btn-sh); }
.wbtn-close::after { color: #9b2020; }

.window-body {
  flex: 1; overflow-y: auto;
  padding: 12px 14px 10px;
  color: var(--text);
}
.window-body::-webkit-scrollbar { width: 12px; }
.window-body::-webkit-scrollbar-track { background: var(--win-parch); border-left: 1px solid var(--btn-sh); }
.window-body::-webkit-scrollbar-thumb { background: var(--btn); border: 1px solid var(--win-bdr); box-shadow: inset 1px 1px 0 var(--btn-hi), inset -1px -1px 0 var(--btn-sh); }

.window-statusbar {
  border-top: 1px solid #c8b07040;
  padding: 2px 10px;
  font-size: 14px; color: var(--btn-sh);
  background: var(--win-parch);
  flex-shrink: 0;
  font-family: 'Pixelify Sans', monospace;
}
.resize-handle {
  position: absolute; right: 0; bottom: 0;
  width: 14px; height: 14px; cursor: se-resize;
  background: linear-gradient(135deg, transparent 50%, var(--btn-sh) 50%);
}

/* ── FOLDER ── */
.folder-toolbar {
  border-bottom: 1px solid #c8b07050;
  background: var(--win-parch);
  padding: 5px 10px;
  display: flex; align-items: center; gap: 6px;
  flex-shrink: 0;
}
.folder-grid { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px; }

.folder-icon {
  width: 80px;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 6px 4px; cursor: pointer;
  border: 1px solid transparent;
  position: relative;
}
.folder-icon:hover   { border-color: var(--accent); background: rgba(200,120,32,.08); }
.folder-icon.selected{ border-color: var(--accent2); background: rgba(31,122,140,.16); }
.folder-icon .f-img  { font-size: 28px; filter: drop-shadow(1px 2px 0 rgba(0,0,0,.4)); }
.folder-icon .f-label {
  font-family: 'Pixelify Sans', monospace;
  font-size: 13px; color: var(--text); text-align: center;
  line-height: 1.25; max-width: 76px;
  overflow: hidden; display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}

/* Hover preview card */
.preview-card {
  position: fixed; width: 240px;
  background: var(--win-bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.07'/%3E%3C/svg%3E");
  border: 2px solid var(--win-bdr);
  box-shadow: 3px 3px 0 #000;
  padding: 10px 12px;
  pointer-events: none;
  z-index: 8000; opacity: 0;
  transition: opacity .1s steps(1);
}
.preview-card.show { opacity: 1; }
.preview-card .pc-title { font-family:'Pixelify Sans',sans-serif; font-size:12px; color:var(--tb-from); line-height:1.3; margin-bottom:4px; font-weight:600; }
.preview-card .pc-meta  { font-family:'Pixelify Sans',monospace; font-size:11px; color:var(--muted); font-style:italic; margin-bottom:6px; }
.preview-card .pc-stars { font-size:16px; letter-spacing:2px; }

/* ── STICKY NOTE ── */
#sticky-note {
  position: absolute;
  min-width: 180px; max-width: 260px;
  background: #fdf6a3;
  border: 1px solid #d4c040;
  box-shadow: 3px 3px 0 rgba(0,0,0,0.35);
  padding: 10px 12px 14px;
  font-family: 'Pixelify Sans', monospace;
  font-size: 13px;
  color: #2a2000;
  line-height: 1.5;
  cursor: move;
  z-index: 50;
  user-select: none;
  white-space: pre-wrap;
  word-break: break-word;
}
#sticky-note::before {
  content: '';
  display: block;
  height: 6px;
  margin: -10px -12px 8px;
  background: #e8d820;
  border-bottom: 1px solid #c8b818;
}
#sticky-note.hidden { display: none; }
#sticky-note .sticky-edit-btn {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  color: #886600;
  background: none;
  border: 1px dashed #aaa020;
  padding: 2px 6px;
  cursor: pointer;
  font-family: 'Pixelify Sans', monospace;
  width: 100%;
}

/* ── GUESTBOOK ── */
.gb-card {
  background: #fdf6a3; border: 1px solid #d4c040;
  box-shadow: 2px 2px 0 rgba(0,0,0,.2);
  padding: 8px 10px; margin-bottom: 8px;
  font-family: 'Pixelify Sans', monospace; color: #2a2000;
}
.gb-card .gb-msg  { font-size: 13px; line-height: 1.5; white-space: pre-wrap; word-break: break-word; }
.gb-card .gb-meta { font-size: 11px; color: #886600; margin-top: 4px; font-style: italic; }
.gb-card.gb-pending { opacity: .85; border-style: dashed; }

/* ── GITHUB MINI PANEL ── */
.gh-graph-box { background: var(--win-parch); border: 1px solid #c8a86060; padding: 8px; overflow-x: auto; }
.gh-grid { display: grid; grid-auto-flow: column; grid-template-rows: repeat(7, 8px); grid-auto-columns: 8px; gap: 2px; width: max-content; }
.gh-cell { width: 8px; height: 8px; }
.gh-l0 { background: #e8dcc0; }
.gh-l1 { background: #9be9a8; }
.gh-l2 { background: #40c463; }
.gh-l3 { background: #30a14e; }
.gh-l4 { background: #216e39; }
.gh-total { font-family: 'Pixelify Sans', monospace; font-size: 13px; color: var(--muted); margin-top: 6px; }
.gh-repo { display: block; text-decoration: none; background: var(--input-bg); border: 1px solid #c8a86050; padding: 6px 8px; margin-bottom: 6px; color: var(--text); }
.gh-repo:hover { border-color: var(--accent); }
.gh-repo-name { font-family: 'Pixelify Sans', monospace; font-size: 15px; color: var(--tb-from); }
.gh-repo-desc { font-family: 'Pixelify Sans', monospace; font-size: 11px; color: var(--muted); margin: 2px 0; line-height: 1.4; }
.gh-repo-meta { font-family: 'Pixelify Sans', monospace; font-size: 11px; color: #8a6838; }
.gh-lang { color: var(--accent); }
.gh-err { font-family: 'Pixelify Sans', monospace; font-size: 13px; color: var(--muted); }

/* ──  WINDOW ── */
.paper-layout { display: flex; gap: 12px; margin-bottom: 10px; }
.pdf-preview-box {
  flex-shrink: 0; width: 180px;
  border: 1px solid var(--btn-sh);
  box-shadow: inset 1px 1px 0 var(--btn-hi), inset -1px -1px 0 var(--btn-sh), 2px 2px 0 #0006;
  background: var(--win-parch);
  overflow: hidden;
  display: flex; align-items: flex-start; justify-content: center;
  min-height: 220px;
}
.pdf-preview-box canvas { display: block; width: 100% !important; height: auto !important; }
.pdf-preview-box .pdf-placeholder {
  font-size: 11px; color: var(--muted); text-align: center; padding: 10px;
  font-family: 'Pixelify Sans', monospace; font-size: 14px; line-height: 1.4;
}
.paper-meta-col { flex: 1; min-width: 0; }
.paper-title {
  font-family: 'Pixelify Sans', sans-serif;
  font-size: 16px; font-weight: 600;
  color: var(--tb-from); line-height: 1.3; margin-bottom: 5px;
}
.paper-authors {
  font-family: 'Pixelify Sans', monospace;
  font-size: 12px; color: var(--muted); font-style: italic; margin-bottom: 3px;
}
.paper-venue {
  font-family: 'Pixelify Sans', monospace;
  font-size: 11px; color: #8a6838; margin-bottom: 8px;
}
.tags { display:flex; gap:4px; flex-wrap:wrap; margin: 6px 0 8px; }
.tag { font-size: 14px; padding: 0 6px; border: 1px solid; font-family: 'Pixelify Sans', monospace; letter-spacing: .3px; }
.tag-x { cursor: pointer; margin-left: 4px; font-weight: bold; opacity: .7; }
.tag-x:hover { opacity: 1; }
.tag-add { font-family: 'Pixelify Sans', monospace; font-size: 13px; background: var(--input-bg); border: 1px dashed var(--btn-sh); color: var(--text); padding: 0 6px; width: 84px; outline: none; }
.tag-add:focus { border-color: var(--accent); }
.divider { border:none; border-top: 1px dashed #c8b07080; margin: 10px 0; }
.section-label {
  font-family: 'Pixelify Sans', monospace;
  font-size: 14px; letter-spacing: 1px;
  color: var(--muted); margin-bottom: 4px; text-transform: uppercase;
}
.abstract-text {
  font-family: 'Pixelify Sans', monospace;
  font-size: 12px; line-height: 1.75; color: #3a2c14;
}

/* Stars */
@keyframes starPop { 0%{transform:scale(1)} 30%{transform:scale(1.8)} 60%{transform:scale(0.8)} 100%{transform:scale(1)} }
.stars-row { display:flex; gap:2px; align-items:center; }
.star { font-size: 22px; cursor: pointer; display: inline-block; }
.star.unlit { color: #c8b880; }
.star.lit   { color: #d89020; }
.star.pop   { animation: starPop .25s steps(4); }

/* Notes */
.notes-area {
  width: 100%; min-height: 90px;
  background: var(--input-bg);
  border: 1px solid #c8a86060;
  box-shadow: inset 1px 1px 2px rgba(0,0,0,.1);
  padding: 8px 10px;
  font-family: 'Pixelify Sans', monospace;
  font-size: 13px; color: var(--text);
  resize: vertical; outline: none; line-height: 1.7;
}
.notes-area:focus { border-color: var(--accent); }

/* Buttons */
.win-btn {
  background: var(--btn);
  border: 1px solid var(--win-bdr);
  box-shadow: inset 1px 1px 0 var(--btn-hi), inset -1px -1px 0 var(--btn-sh);
  padding: 2px 14px;
  font-family: 'Pixelify Sans', monospace; font-size: 17px;
  cursor: pointer; color: var(--text);
}
.win-btn:hover  { background: var(--btn-hi); }
.win-btn:active { box-shadow: inset -1px -1px 0 var(--btn-hi), inset 1px 1px 0 var(--btn-sh); padding: 3px 13px 1px 15px; }
.win-btn.danger { color: #8b1a1a; }

/* ── ABOUT / CV ── */
.cv-name-input {
  font-family: 'Pixelify Sans', sans-serif;
  font-size: 20px; font-weight: 600;
  color: var(--tb-from); width: 100%;
  background: transparent; border: none; border-bottom: 1px solid #c8a86040;
  outline: none; margin-bottom: 4px;
}
.cv-name-input:focus { border-bottom-color: var(--accent); }
.cv-field {
  font-family: 'Pixelify Sans', monospace;
  font-size: 12px; color: var(--text);
  width: 100%; background: var(--input-bg);
  border: 1px solid #c8a86050;
  box-shadow: inset 0 1px 3px rgba(0,0,0,.06);
  padding: 4px 8px; outline: none;
}
.cv-field:focus { border-color: var(--accent); }
.cv-textarea {
  font-family: 'Pixelify Sans', monospace;
  font-size: 12px; color: var(--text);
  width: 100%; background: var(--input-bg);
  border: 1px solid #c8a86050;
  box-shadow: inset 0 1px 3px rgba(0,0,0,.06);
  padding: 6px 8px; outline: none; resize: vertical; line-height: 1.7;
}
.cv-textarea:focus { border-color: var(--accent); }
.stats-box {
  background: var(--win-parch);
  border: 1px solid #c8a86060;
  padding: 10px 12px;
  font-family: 'Pixelify Sans', monospace;
  font-size: 12px; line-height: 2; color: var(--text);
}
.stats-box b { color: var(--accent); }

/* ── ADD  FORM ── */
.form-row { margin-bottom: 8px; }
.form-row label {
  display: block; font-family: 'Pixelify Sans', monospace;
  font-size: 14px; letter-spacing: .8px; color: var(--muted);
  margin-bottom: 2px; text-transform: uppercase;
}
.form-input {
  width: 100%; background: var(--input-bg);
  border: 1px solid #c8a86050;
  box-shadow: inset 0 1px 3px rgba(0,0,0,.06);
  padding: 4px 8px;
  font-family: 'Pixelify Sans', monospace; font-size: 12px; color: var(--text); outline: none;
}
.form-input:focus { border-color: var(--accent); }

/* ── TASKBAR ── */
#taskbar {
  position: fixed; bottom: 0; left: 0; right: 0; height: 34px;
  background: var(--bar);
  border-top: 1px solid #3a2808;
  display: flex; align-items: center; gap: 4px; padding: 0 6px;
  z-index: 1000;
  box-shadow: none;
}
#start-btn {
  background: var(--btn);
  border: 1px solid var(--win-bdr);
  box-shadow: inset 1px 1px 0 var(--btn-hi), inset -1px -1px 0 var(--btn-sh);
  padding: 2px 12px;
  font-family: 'Pixelify Sans', monospace; font-size: 17px;
  cursor: pointer; color: var(--text); flex-shrink: 0;
}
#start-btn:hover { background: var(--btn-hi); }
.task-sep { width:1px; height:20px; background: #3a2808; margin: 0 2px; }
.taskbar-btn {
  background: transparent; border: 1px solid transparent;
  color: #a08838; font-family: 'Pixelify Sans', monospace; font-size: 16px;
  padding: 2px 8px; cursor: pointer;
  max-width: 150px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex-shrink: 0;
}
.taskbar-btn:hover  { border-color: #7a6030; color: var(--bar-txt); }
.taskbar-btn.active { border-color: var(--accent2); color: var(--bar-txt); box-shadow: inset 0 -2px 0 var(--accent2); }
#tray { margin-left:auto; padding:0 10px; border-left:1px solid #3a2808; color: var(--bar-txt); font-size:17px; display:flex; align-items:center; gap:10px; }
#admin-badge {
  font-family:'Pixelify Sans',monospace; font-size:15px;
  padding:1px 8px; border:1px solid; cursor:pointer;
}
#admin-badge.locked   { color:#888; border-color:#444; }
#admin-badge.unlocked { color:#d89020; border-color:#a06010; }
.readonly-notice {
  background: var(--win-parch); border:1px solid #c8a86060;
  padding:6px 10px; font-size:14px; color:var(--muted);
  margin-bottom:10px; font-family:'Pixelify Sans',monospace; letter-spacing:.3px;
}

/* ── START MENU ── */
#start-menu {
  position: fixed; bottom: 34px; left: 0;
  width: 196px; background: var(--win-bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
  border: 2px solid var(--win-bdr);
  box-shadow: 2px -2px 0 #000;
  z-index: 2000; display: none;
}
#start-menu.open { display: block; }
.menu-strip {
  background: linear-gradient(to bottom, var(--tb-from), var(--tb-to));
  color: var(--tb-txt); padding: 10px 8px;
  writing-mode: vertical-rl; transform: rotate(180deg);
  float: left; font-size: 17px; letter-spacing: 2px;
  font-family: 'Pixelify Sans', monospace;
}
.menu-items { margin-left: 36px; padding: 4px 0; }
.menu-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; font-size: 17px; cursor: pointer; color: var(--text);
  font-family: 'Pixelify Sans', monospace;
}
.menu-item:hover { background: rgba(200,120,32,.15); color: var(--accent); }

/* ── CONTEXT MENU ── */
#ctx-menu {
  position: fixed; background: var(--win-bg);
  border: 1px solid var(--win-bdr);
  box-shadow: 3px 3px 0 #000;
  z-index: 3000; display: none; min-width: 170px;
}
#ctx-menu.open { display: block; }
.ctx-item { padding: 5px 14px; font-size: 17px; cursor: pointer; color: var(--text); font-family:'Pixelify Sans',monospace; }
.ctx-item:hover { background: rgba(200,120,32,.12); color: var(--accent); }
.ctx-sep { border-top: 1px solid #c8a86030; margin: 2px 0; }

/* ── TOAST ── */
#toast {
  position: fixed; bottom: 46px; right: 16px;
  background: var(--tb-from); color: var(--tb-txt);
  font-family: 'Pixelify Sans', monospace; font-size: 17px;
  padding: 3px 14px; border: 1px solid var(--btn-sh);
  box-shadow: 2px 2px 0 #000;
  opacity: 0; transition: opacity .15s steps(1); pointer-events: none; z-index: 5000;
}
#toast.show { opacity: 1; }

/* ── MINI APPS (calculator / calendar / notepad / files) ── */
.calc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; flex: 1; }
.calc-key { font-size: 18px; padding: 8px 0; }
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; font-size: 16px; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; text-align: center; }
.cal-dow { font-size: 12px; color: var(--muted); padding: 2px 0; }
.cal-cell { padding: 5px 0; font-size: 14px; }
.cal-today { background: var(--accent2); color: #fff; border-radius: 2px; }
.notepad-area { flex: 1; border: none; outline: none; resize: none; width: 100%; background: var(--input-bg); color: var(--text); font-family: 'Space Mono', monospace; font-size: 13px; line-height: 1.6; padding: 10px 12px; }
.fs-path { background: var(--win-parch); border-bottom: 1px solid #c8b07050; padding: 4px 10px; font-size: 13px; color: var(--muted); font-family: 'Space Mono', monospace; flex-shrink: 0; }
.fs-list { flex: 1; overflow-y: auto; padding: 4px; }
.fs-item { display: flex; align-items: center; gap: 8px; padding: 3px 8px; cursor: pointer; font-size: 14px; }
.fs-item:hover { background: rgba(31,122,140,.14); }
.fs-ic { font-size: 16px; }
.fs-size { margin-left: auto; font-size: 11px; color: var(--muted); }
.fs-code { font-family: 'Space Mono', monospace; font-size: 12px; line-height: 1.5; white-space: pre-wrap; word-break: break-word; color: var(--text); margin: 0; }
.fs-loading { color: var(--muted); font-size: 13px; padding: 10px; }

/* ── MOBILE ── */
@media (max-width: 720px) {
  body { user-select: text; }
  #desktop { padding: 8px; gap: 6px; }
  .d-icon { width: 64px; padding: 4px 2px; }
  .d-icon .icon-img { font-size: 30px; }
  .d-icon .icon-label { font-size: 13px; max-width: 62px; }
  .window {
    width: calc(100vw - 8px) !important;
    height: calc(100vh - 44px) !important;
    left: 4px !important;
    top: 4px !important;
    min-width: 0;
    min-height: 0;
  }
  .resize-handle { display: none; }
  .paper-layout { flex-direction: column; }
  .pdf-preview-box { width: 100%; min-height: 180px; }
  #start-menu { width: 184px; }
  .taskbar-btn { max-width: 90px; font-size: 14px; }
  #start-btn { font-size: 15px; padding: 2px 8px; }
  #tray { font-size: 14px; padding: 0 6px; gap: 6px; }
  #admin-badge { font-size: 12px; padding: 1px 5px; }
  .titlebar { font-size: 15px; }
  .folder-icon { width: 70px; }
}

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  .window, .star.pop, #toast { animation: none !important; transition: none !important; }
}

/* ── SCREENSAVER ── */
#screensaver {
  position: fixed; inset: 0; z-index: 99997;
  background: #000; cursor: none;
}
#screensaver-text {
  position: absolute;
  font-family: 'Pixelify Sans', monospace;
  font-size: 28px;
  color: #00ff41;
  text-shadow: 0 0 10px #00ff41, 0 0 24px #00ff4155;
  white-space: nowrap;
  user-select: none;
}

/* ── TERMINAL ── */
#terminal-output {
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  color: #00ff41;
  background: #000;
  padding: 10px 12px;
  height: calc(100% - 44px);
  overflow-y: auto;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
}
#terminal-output .t-err { color: #ff4444; }
#terminal-output .t-ok  { color: #44ff88; }
#terminal-output .t-dim { color: #448844; }
#terminal-input-row {
  display: flex; align-items: center;
  background: #000; border-top: 1px solid #003300;
  padding: 6px 10px; gap: 6px; flex-shrink: 0;
}
#terminal-input-row span { color: #00ff41; font-family:'Space Mono',monospace; font-size:13px; }
#terminal-input {
  flex:1; background:transparent; border:none; outline:none;
  color:#00ff41; font-family:'Space Mono',monospace; font-size:13px;
  caret-color:#00ff41;
}

/* ── HACKER MODE (terminal: sudo unlock) ── */
/* Just a body class + variable overrides feeding the same window engine. */
#matrix { position: fixed; inset: 0; z-index: 0; pointer-events: none; display: none; }
.d-icon.secret { display: none; }
body.hacker #matrix { display: block; }
body.hacker .d-icon.secret { display: flex; }
body.hacker {
  --desk:#000a00; --desk-line:#003b00;
  --win-bg:#04140a; --win-parch:#072410; --win-bdr:#00cc33;
  --tb-from:#003a00; --tb-to:#001500; --tb-txt:#00ff41;
  --btn:#08401a; --btn-hi:#0c5e24; --btn-sh:#00aa30;
  --text:#19ff5a; --muted:#16a83e; --accent:#39ff14; --accent2:#00e6c2;
  --input-bg:#04140a; --bar:#000700; --bar-txt:#00ff41; --folder-bg:#07220f;
}
body.hacker #desktop { background-image: none; z-index: 1; }
body.hacker::after {
  background: repeating-linear-gradient(to bottom,
    transparent 0 2px, rgba(0,255,65,0.06) 2px, rgba(0,40,0,0.22) 3px, rgba(0,40,0,0.22) 4px);
}
body.hacker .window { box-shadow: 0 0 0 1px rgba(0,255,65,.35), 0 0 22px rgba(0,255,65,.14), 4px 4px 0 rgba(0,20,0,.6); }
body.hacker .titlebar { text-shadow: 0 0 6px rgba(0,255,65,.55); }
body.hacker .icon-label, body.hacker #start-btn { text-shadow: 0 0 6px rgba(0,255,65,.5); }
body.hacker #sticky-note { background:#0a1a0c; border-color:#00aa30; color:#19ff5a; box-shadow:0 0 16px rgba(0,255,65,.2); }
body.hacker #sticky-note::before { background:#003a00; border-bottom-color:#00aa30; }