/* ─────────────────────────────────────────────────────────────
   sohan.os — retro-modern desktop
   Flat surfaces, 1px borders, hard offset shadows. No blur.
   ───────────────────────────────────────────────────────────── */

:root {
  --bg: #0d0d0f;
  --grid: #17171b;
  --panel: #131317;
  --raised: #1b1b21;
  --line: #2e2e36;
  --line-soft: #232329;
  --text: #e6e6ea;
  --dim: #8b8b96;
  --accent: #6ee7a8;
  --danger: #f87171;

  --taskbar-h: 36px;
  --mono: "JetBrains Mono", "Geist Mono", ui-monospace, SFMono-Regular, Menlo,
    Consolas, monospace;
}

/* System 7 daylight */
[data-theme="light"] {
  --bg: #cfcfc9;
  --grid: #c4c4be;
  --panel: #ecece7;
  --raised: #f7f7f4;
  --line: #1a1a1a;
  --line-soft: #9a9a94;
  --text: #14140f;
  --dim: #5a5a54;
  --accent: #1f5fd0;
  --danger: #b91c1c;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
  user-select: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

a {
  color: inherit;
}

/* thin, square scrollbars — no rounded chrome anywhere */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
*::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
*::-webkit-scrollbar-track {
  background: transparent;
}
*::-webkit-scrollbar-thumb {
  background: var(--line);
  border: 0;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 1px;
}

.icon {
  flex: none;
  display: block;
}

/* ── desktop ──────────────────────────────────────────────── */

#desktop {
  position: relative;
  height: 100vh;
  height: 100dvh;
  width: 100vw;
  overflow: hidden;
  background: var(--bg);
}

#grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 28px 28px;
}

#signature {
  position: absolute;
  right: 20px;
  bottom: calc(var(--taskbar-h) + 20px);
  margin: 0;
  text-align: right;
  font-size: 10px;
  line-height: 1.6;
  color: var(--dim);
  pointer-events: none;
}

/* ── desktop icons ────────────────────────────────────────── */

#icons {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 1;
}

.dicon {
  width: 104px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 8px;
  border: 1px solid transparent;
  text-align: center;
}

.dicon:hover {
  border-color: var(--line);
  background: var(--raised);
}

.dicon[aria-current="true"] {
  border-color: var(--accent);
  background: var(--raised);
}

.dicon-glyph {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.dicon[data-open="true"] .dicon-glyph {
  border-color: var(--accent);
  color: var(--accent);
}

.dicon-label {
  width: 100%;
  font-size: 10px;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── windows ──────────────────────────────────────────────── */

.win {
  position: absolute;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: var(--panel);
}

.win[hidden] {
  display: none;
}

.win.is-focused {
  border-color: var(--text);
  box-shadow: 4px 4px 0 0 var(--line-soft);
}

.win-bar {
  display: flex;
  flex: none;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  cursor: grab;
  touch-action: none;
}

.win-bar:active {
  cursor: grabbing;
}

.win.is-focused .win-bar {
  border-bottom-color: var(--text);
  background: var(--raised);
}

.win.is-max .win-bar {
  cursor: default;
}

.win-dots {
  display: flex;
  gap: 6px;
}

.win-dot {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 12px;
  height: 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: transparent;
}

.win-dot:hover {
  background: var(--accent);
  color: var(--bg);
}

.win-dot--close:hover {
  background: var(--danger);
}

.win-title {
  margin: 0;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.win.is-focused .win-title {
  color: var(--text);
}

.win-bar .icon {
  color: var(--dim);
}

.win.is-focused .win-bar .icon {
  color: var(--accent);
}

.win-body {
  flex: 1;
  min-height: 0;
  overflow: auto;
  user-select: text;
}

.win-grip {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 14px;
  height: 14px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: var(--raised);
  cursor: nwse-resize;
  touch-action: none;
}

.win.is-max .win-grip {
  display: none;
}

/* ── shared window content ────────────────────────────────── */

.pad {
  padding: 16px;
}

.card {
  margin-bottom: 16px;
  padding: 12px;
  border: 1px solid var(--line);
  background: var(--raised);
}

.card h3 {
  margin: 0;
  font-size: 13px;
}

.card p {
  margin: 2px 0 0;
  font-size: 11px;
  color: var(--dim);
}

.prose p {
  margin: 0 0 12px;
  font-size: 12px;
}

.sec-label {
  margin: 16px 0 6px;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--dim);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag {
  padding: 2px 6px;
  border: 1px solid var(--line);
  font-size: 10px;
  color: var(--dim);
}

.rows {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
}

.rows > li + li {
  border-top: 1px solid var(--line-soft);
}

.row {
  display: flex;
  gap: 12px;
  padding: 6px 8px;
  font-size: 11px;
}

.row-when {
  flex: none;
  width: 64px;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}

.row-where {
  color: var(--dim);
}

.bullets {
  margin: 0;
  padding: 0;
  list-style: none;
}

.bullets li {
  font-size: 11px;
  color: var(--dim);
}

.bullets .mark {
  color: var(--accent);
}

.bullets.points li {
  display: flex;
  gap: 6px;
  margin-bottom: 4px;
  line-height: 1.5;
}

.bullets.points .mark {
  flex: none;
}

/* ── experience ───────────────────────────────────────────── */

.job + .job {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.job-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.job-head h3 {
  margin: 0;
  font-size: 13px;
}

.job-when {
  flex: none;
  font-size: 11px;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}

.prose .job-role {
  margin: 2px 0 8px;
  font-size: 11px;
  color: var(--accent);
}

.proj-detail .proj-when {
  margin: 0 0 6px;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--dim);
}

/* ── projects ─────────────────────────────────────────────── */

.proj-head {
  display: flex;
  flex: none;
  gap: 12px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--dim);
}

.proj-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.proj-list > li + li {
  border-top: 1px solid var(--line-soft);
}

.proj-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 8px 12px;
  font-size: 11px;
  text-align: left;
}

.proj-row:hover,
.proj-row[aria-expanded="true"] {
  background: var(--raised);
}

.proj-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.proj-caret {
  color: var(--accent);
}

.col-kind {
  flex: none;
  width: 56px;
  color: var(--dim);
}

.col-year {
  flex: none;
  width: 40px;
  text-align: right;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}

.proj-detail {
  padding: 10px 12px;
  border-top: 1px solid var(--line-soft);
  background: var(--raised);
}

.proj-detail p {
  margin: 0 0 8px;
  font-size: 11px;
}

.linkbtns {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.linkbtn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  font-size: 10px;
  text-decoration: none;
}

.linkbtn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── contact ──────────────────────────────────────────────── */

.shebang {
  margin: 0 0 12px;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--raised);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--dim);
  white-space: pre-wrap;
}

.mailbar {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--line);
}

.mailbar-icon {
  display: flex;
  align-items: center;
  padding: 0 8px;
  border-right: 1px solid var(--line);
  color: var(--accent);
}

.mailbar-addr {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  padding: 8px;
  font-size: 12px;
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mailbar-addr:hover {
  color: var(--accent);
}

.mailbar-copy {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 8px;
  border-left: 1px solid var(--line);
  font-size: 10px;
  color: var(--dim);
}

.mailbar-copy:hover {
  background: var(--raised);
  color: var(--text);
}

.mailbar-copy .icon.ok {
  color: var(--accent);
}

.linkrow {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 8px;
  font-size: 11px;
  text-decoration: none;
}

.linkrow:hover {
  background: var(--raised);
}

.linkrow .mark {
  color: var(--accent);
}

.linkrow-label {
  flex: 1;
}

.linkrow-note {
  font-size: 10px;
  color: var(--dim);
}

.footnote {
  margin: 12px 0 0;
  font-size: 10px;
  color: var(--dim);
}

/* ── terminal ─────────────────────────────────────────────── */

.term {
  height: 100%;
  padding: 12px;
  background: var(--bg);
  font-size: 11px;
  line-height: 1.55;
  cursor: text;
}

.term-line {
  white-space: pre-wrap;
  word-break: break-word;
}

.term-line.in {
  color: var(--dim);
}

.term-line.err {
  color: var(--danger);
}

.term-form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 6px;
}

.term-prompt {
  flex: none;
  color: var(--accent);
}

.term-input {
  max-width: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  caret-color: transparent;
  outline: none;
}

.term-caret {
  flex: none;
  width: 1ch;
  height: 14px;
  margin-left: -1ch;
  background: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

/* ── taskbar ──────────────────────────────────────────────── */

#taskbar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  display: flex;
  align-items: stretch;
  height: var(--taskbar-h);
  border-top: 1px solid var(--line);
  background: var(--panel);
}

.tb-brand {
  display: flex;
  flex: none;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  border-right: 1px solid var(--line);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.tb-led {
  width: 8px;
  height: 8px;
  background: var(--accent);
}

.tb-windows {
  display: flex;
  flex: 1;
  min-width: 0;
  align-items: stretch;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
}

.tb-empty {
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 10px;
  color: var(--dim);
}

.tb-win {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 100%;
  padding: 0 12px;
  border-right: 1px solid var(--line);
  font-size: 10px;
}

.tb-win:hover {
  background: var(--raised);
}

.tb-win.is-top {
  background: var(--raised);
}

.tb-win.is-top .icon {
  color: var(--accent);
}

.tb-win.is-min {
  color: var(--dim);
  font-style: italic;
}

.tb-win-label {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tb-right {
  display: flex;
  flex: none;
  align-items: stretch;
}

.tb-toggle {
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-left: 1px solid var(--line);
  color: var(--dim);
}

.tb-toggle:hover {
  background: var(--raised);
  color: var(--text);
}

.tb-clock {
  display: flex;
  flex: none;
  flex-direction: column;
  justify-content: center;
  padding: 0 12px;
  border-left: 1px solid var(--line);
  text-align: right;
  line-height: 1.25;
}

.tb-time {
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.tb-date {
  font-size: 9px;
  color: var(--dim);
}

/* ── small screens ────────────────────────────────────────── */

@media (max-width: 640px) {
  #icons {
    flex-direction: row;
    flex-wrap: wrap;
    max-width: calc(100vw - 32px);
  }
  .dicon {
    width: 84px;
  }
  #signature {
    display: none;
  }
  .tb-brand {
    padding: 0 8px;
    letter-spacing: 0.04em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .term-caret {
    animation: none;
  }
}