/* ==================================================================
   Fox OS — Portfolio Shell
   Layered on top of styles.css. Adds persistent OS chrome:
   - boot sequence overlay
   - top status bar (clock, system state, agent count)
   - left agent mesh panel
   - bottom live event log strip
   - floating terminal widget
   - command palette (Cmd+K)
   ================================================================== */

/* ---------- shared shell layer tokens ---------- */
:root {
  --os-bar-h: 36px;
  --os-foot-h: 32px;
  --os-panel-bg: rgba(8, 8, 22, 0.78);
  --os-panel-bg-solid: rgba(8, 8, 22, 0.95);
  --os-panel-border: rgba(140, 160, 220, 0.18);
  --os-panel-border-hot: rgba(0, 229, 255, 0.55);
  --os-radius: 12px;
  --os-mono: var(--font-mono);
}

/* push the page down so the fixed top bar doesn't cover the hero */
body.os-shell-ready { padding-top: var(--os-bar-h); padding-bottom: var(--os-foot-h); }

/* ===================================================================
   Boot screen
   =================================================================== */
.os-boot {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #04040c;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 22px;
  font-family: var(--os-mono);
  color: var(--text);
  transition: opacity 0.6s ease, visibility 0.6s;
}
.os-boot.gone { opacity: 0; visibility: hidden; pointer-events: none; }
.os-boot-mark {
  font-family: var(--font-display);
  font-size: 2.4rem;
  letter-spacing: -0.02em;
  font-weight: 500;
  background: linear-gradient(120deg, #fff 0%, #5cf3ff 60%, #c4a8ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.os-boot-mark::after {
  content: "_";
  color: var(--cyan);
  animation: pulse 1s steps(2) infinite;
  margin-left: 4px;
}
.os-boot-log {
  width: min(540px, 86vw);
  height: 200px;
  overflow: hidden;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--text-dim);
  position: relative;
}
.os-boot-log .ln { display: block; opacity: 0; transform: translateY(6px); transition: opacity 0.2s, transform 0.2s; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.os-boot-log .ln.in { opacity: 1; transform: translateY(0); }
.os-boot-log .ok { color: var(--emerald); }
.os-boot-log .warn { color: var(--amber); }
.os-boot-log .info { color: var(--cyan); }
.os-boot-bar {
  width: min(540px, 86vw);
  height: 2px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
}
.os-boot-bar > span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  box-shadow: 0 0 12px var(--cyan);
  transition: width 0.4s linear;
}
.os-boot-skip {
  font-family: var(--os-mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  color: var(--text-mute);
  text-transform: uppercase;
  margin-top: 12px;
  background: none;
  border: 1px solid var(--panel-border);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s;
}
.os-boot-skip:hover { color: var(--text); border-color: var(--cyan); }

/* ===================================================================
   Top status bar
   =================================================================== */
.os-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--os-bar-h);
  z-index: 60;
  background: var(--os-panel-bg);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--os-panel-border);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 14px;
  font-family: var(--os-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.os-bar-section { display: flex; align-items: center; gap: 14px; }
.os-bar-section.spacer { flex: 1; }
.os-bar-brand {
  color: var(--text);
  font-weight: 500;
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.os-bar-brand .glyph {
  width: 14px; height: 14px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  box-shadow: 0 0 10px rgba(0,229,255,0.5);
}
.os-bar-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: rgba(255,255,255,0.02);
  white-space: nowrap;
}
.os-bar-pill .led {
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--emerald);
  box-shadow: 0 0 8px var(--emerald);
  animation: pulse 2s infinite;
}
.os-bar-pill .led.cy { background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.os-bar-pill .led.vi { background: var(--violet); box-shadow: 0 0 8px var(--violet); }
.os-bar-pill .led.am { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.os-bar-pill .val { color: var(--text); font-feature-settings: "tnum" 1; }
.os-bar-clock { color: var(--text); font-feature-settings: "tnum" 1; letter-spacing: 0.1em; }
.os-bar-kbd {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.66rem;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: rgba(255,255,255,0.02);
  color: var(--text-dim);
  transition: all 0.2s;
}
.os-bar-kbd:hover { color: var(--text); border-color: var(--os-panel-border-hot); }
.os-bar-kbd kbd {
  font-family: inherit;
  font-size: 0.62rem;
  padding: 2px 5px;
  border-radius: 4px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
}

@media (max-width: 880px) {
  .os-bar { padding: 0 10px; gap: 8px; font-size: 0.62rem; }
  .os-bar .hide-sm { display: none; }
}

/* ===================================================================
   Left agent mesh panel
   =================================================================== */
.os-agents {
  position: fixed;
  top: calc(var(--os-bar-h) + 16px);
  left: 16px;
  z-index: 55;
  width: 230px;
  background: var(--os-panel-bg);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--os-panel-border);
  border-radius: var(--os-radius);
  padding: 12px;
  font-family: var(--os-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  transition: transform 0.4s ease, opacity 0.4s ease;
}
.os-agents.collapsed { transform: translateX(calc(-100% - 16px)); opacity: 0; }
.os-agents-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--panel-border);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  font-size: 0.62rem;
}
.os-agents-head .count { color: var(--cyan); }
.os-agents-list { display: flex; flex-direction: column; gap: 6px; }
.os-agent {
  display: grid;
  grid-template-columns: 8px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(255,255,255,0.02);
  border: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.os-agent .led {
  width: 8px; height: 8px;
  border-radius: 999px;
  background: var(--emerald);
  box-shadow: 0 0 8px var(--emerald);
}
.os-agent[data-state="thinking"] .led { background: var(--cyan); box-shadow: 0 0 10px var(--cyan); animation: pulse 0.6s infinite; }
.os-agent[data-state="running"] .led { background: var(--amber); box-shadow: 0 0 10px var(--amber); animation: pulse 0.4s infinite; }
.os-agent[data-state="idle"] .led { background: var(--text-mute); box-shadow: none; }
.os-agent[data-state="thinking"] { border-color: rgba(0,229,255,0.35); background: rgba(0,229,255,0.04); }
.os-agent[data-state="running"] { border-color: rgba(255,180,84,0.35); background: rgba(255,180,84,0.04); }
.os-agent .name {
  font-size: 0.7rem;
  color: var(--text);
  letter-spacing: 0.04em;
}
.os-agent .meta {
  font-size: 0.6rem;
  color: var(--text-mute);
  letter-spacing: 0.08em;
}

.os-agents-foot {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--panel-border);
  font-size: 0.6rem;
  color: var(--text-mute);
  letter-spacing: 0.1em;
}

@media (max-width: 1100px) {
  .os-agents { display: none; }
}

/* ===================================================================
   Bottom live event log
   =================================================================== */
.os-foot {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--os-foot-h);
  z-index: 60;
  background: var(--os-panel-bg);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-top: 1px solid var(--os-panel-border);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 14px;
  font-family: var(--os-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: var(--text-mute);
  text-transform: uppercase;
  overflow: hidden;
}
.os-foot-label {
  flex-shrink: 0;
  color: var(--cyan);
  letter-spacing: 0.16em;
  display: flex;
  align-items: center;
  gap: 6px;
}
.os-foot-label .led {
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 1.4s infinite;
}
.os-foot-feed {
  flex: 1;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.os-foot-feed .line {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  color: var(--text-dim);
  animation: feedScroll linear forwards;
}
.os-foot-feed .line .ts { color: var(--text-mute); margin-right: 14px; }
.os-foot-feed .line .src { color: var(--cyan); margin-right: 10px; }
.os-foot-feed .line .src.v { color: var(--violet); }
.os-foot-feed .line .src.e { color: var(--emerald); }
.os-foot-feed .line .src.a { color: var(--amber); }
.os-foot-feed .line .src.m { color: var(--magenta); }
@keyframes feedScroll {
  from { transform: translate(100vw, -50%); }
  to { transform: translate(-100%, -50%); }
}

.os-foot-meta { flex-shrink: 0; color: var(--text-mute); }

/* ===================================================================
   Terminal widget
   =================================================================== */
.os-term {
  position: fixed;
  bottom: calc(var(--os-foot-h) + 16px);
  right: 16px;
  z-index: 70;
  width: 460px;
  max-width: calc(100vw - 32px);
  height: 320px;
  background: var(--os-panel-bg-solid);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--os-panel-border);
  border-radius: var(--os-radius);
  box-shadow: 0 24px 80px rgba(0,0,0,0.7), 0 0 30px rgba(0,229,255,0.06);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s;
  font-family: var(--os-mono);
  font-size: 0.78rem;
}
.os-term.minimized { transform: translateY(calc(100% - 38px)); }
.os-term.hidden { transform: translateY(calc(100% + 32px)); opacity: 0; pointer-events: none; }
.os-term-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--panel-border);
  cursor: grab;
  user-select: none;
}
.os-term-head:active { cursor: grabbing; }
.os-term-dots { display: flex; gap: 6px; }
.os-term-dots span {
  width: 11px; height: 11px;
  border-radius: 999px;
  background: #3a3a4a;
  cursor: pointer;
  transition: filter 0.2s;
}
.os-term-dots span:hover { filter: brightness(1.6); }
.os-term-dots span.r { background: #ff5f57; }
.os-term-dots span.y { background: #ffbd2e; }
.os-term-dots span.g { background: #2dffb5; }
.os-term-title {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-transform: uppercase;
  flex: 1;
  text-align: center;
}
.os-term-body {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px;
  color: var(--text-dim);
  line-height: 1.55;
  font-size: 0.78rem;
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(0,229,255,0.05), transparent 60%),
    transparent;
}
.os-term-body::-webkit-scrollbar { width: 6px; }
.os-term-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
.os-term-body .line { white-space: pre-wrap; word-break: break-word; }
.os-term-body .line.cmd { color: var(--text); }
.os-term-body .line.cmd::before { content: "❯ "; color: var(--cyan); font-weight: 500; }
.os-term-body .line.out { color: var(--text-dim); }
.os-term-body .line.ok { color: var(--emerald); }
.os-term-body .line.warn { color: var(--amber); }
.os-term-body .line.err { color: #ff5f7a; }
.os-term-body .line.dim { color: var(--text-mute); }
.os-term-body .line a { color: var(--cyan); text-decoration: none; border-bottom: 1px dotted var(--cyan); }
.os-term-body .line a:hover { color: var(--cyan-soft); }
.os-term-body .ascii { font-size: 0.66rem; line-height: 1.1; color: var(--violet); white-space: pre; }
.os-term-input {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--panel-border);
  background: rgba(255,255,255,0.02);
}
.os-term-input .prompt { color: var(--cyan); font-weight: 500; }
.os-term-input input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: inherit;
  font-size: 0.78rem;
  caret-color: var(--cyan);
}
.os-term-input .caret {
  width: 8px; height: 14px;
  background: var(--cyan);
  animation: pulse 1s steps(2) infinite;
}

/* terminal launcher dock pill (shown when minimized) */
.os-term-launcher {
  position: fixed;
  bottom: calc(var(--os-foot-h) + 16px);
  right: 16px;
  z-index: 69;
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--os-panel-bg);
  border: 1px solid var(--os-panel-border);
  font-family: var(--os-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all 0.2s;
}
.os-term-launcher:hover { border-color: var(--os-panel-border-hot); color: var(--text); }
.os-term-launcher .led {
  width: 8px; height: 8px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 1.6s infinite;
}
.os-term.hidden ~ .os-term-launcher { display: inline-flex; }

@media (max-width: 880px) {
  .os-term { width: calc(100vw - 24px); height: 260px; right: 12px; bottom: calc(var(--os-foot-h) + 12px); }
}

/* ===================================================================
   Command palette
   =================================================================== */
.os-palette {
  position: fixed;
  inset: 0;
  z-index: 95;
  background: rgba(4,4,12,0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 14vh;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}
.os-palette.open { opacity: 1; visibility: visible; }
.os-palette-box {
  width: min(580px, 92vw);
  background: var(--os-panel-bg-solid);
  border: 1px solid var(--os-panel-border);
  border-radius: 14px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.7), 0 0 40px rgba(0,229,255,0.08);
  overflow: hidden;
  transform: translateY(-12px) scale(0.97);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.os-palette.open .os-palette-box { transform: translateY(0) scale(1); }
.os-palette-search {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--panel-border);
}
.os-palette-search svg { width: 16px; height: 16px; color: var(--text-mute); flex-shrink: 0; }
.os-palette-search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  caret-color: var(--cyan);
}
.os-palette-search input::placeholder { color: var(--text-mute); }
.os-palette-kbd {
  font-family: var(--os-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--text-mute);
  padding: 3px 7px;
  border-radius: 5px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
}
.os-palette-list {
  max-height: 50vh;
  overflow-y: auto;
  padding: 6px;
}
.os-palette-list::-webkit-scrollbar { width: 6px; }
.os-palette-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
.os-palette-group {
  padding: 8px 12px 4px;
  font-family: var(--os-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.os-palette-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-dim);
  transition: all 0.15s;
}
.os-palette-item:hover, .os-palette-item.active {
  background: rgba(0,229,255,0.08);
  color: var(--text);
}
.os-palette-item .icon {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: rgba(255,255,255,0.04);
  display: grid;
  place-items: center;
  font-family: var(--os-mono);
  font-size: 0.72rem;
  color: var(--cyan);
  flex-shrink: 0;
  border: 1px solid var(--panel-border);
}
.os-palette-item .label {
  flex: 1;
  font-size: 0.92rem;
}
.os-palette-item .hint {
  font-family: var(--os-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  text-transform: uppercase;
}
.os-palette-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-top: 1px solid var(--panel-border);
  font-family: var(--os-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--text-mute);
  text-transform: uppercase;
}
.os-palette-foot .keys { display: flex; gap: 14px; }
.os-palette-foot .keys span { display: flex; align-items: center; gap: 6px; }

/* ===================================================================
   Existing nav fits under the bar
   =================================================================== */
.nav { top: calc(var(--os-bar-h) + 14px) !important; }

/* small visual hint that this is the OS chrome */
.os-hint {
  position: fixed;
  top: calc(var(--os-bar-h) + 12px);
  right: 16px;
  z-index: 58;
  font-family: var(--os-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
  pointer-events: none;
  opacity: 0;
  animation: chipIn 0.6s 1.2s forwards;
}
@media (max-width: 1100px) { .os-hint { display: none; } }

/* ===================================================================
   Section dock (right edge)
   =================================================================== */
.os-dock {
  position: fixed;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  z-index: 56;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px 6px;
  background: var(--os-panel-bg);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--os-panel-border);
  border-radius: 999px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}
.os-dock-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
  border: 1px solid transparent;
  font-family: var(--os-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--text-mute);
  text-decoration: none;
  transition: all 0.2s;
}
.os-dock-item:hover {
  background: rgba(0,229,255,0.08);
  color: var(--text);
  border-color: rgba(0,229,255,0.3);
}
.os-dock-item.active {
  background: linear-gradient(135deg, rgba(0,229,255,0.22), rgba(155,109,255,0.18));
  color: var(--text);
  border-color: rgba(0,229,255,0.5);
  box-shadow: 0 0 14px rgba(0,229,255,0.35);
}
.os-dock-item .label {
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%) translateX(4px);
  white-space: nowrap;
  background: var(--os-panel-bg-solid);
  border: 1px solid var(--os-panel-border);
  border-radius: 8px;
  padding: 5px 10px;
  font-family: var(--os-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s, transform 0.18s;
}
.os-dock-item:hover .label {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@media (max-width: 880px) {
  .os-dock { display: none; }
}

/* ===================================================================
   Section pulse (when targeted via terminal/dock)
   =================================================================== */
.os-pulse { position: relative; }
.os-pulse::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 1px solid rgba(0,229,255,0.45);
  box-shadow: inset 0 0 60px rgba(0,229,255,0.18), 0 0 40px rgba(0,229,255,0.18);
  animation: osPulseFade 1.4s ease-out forwards;
  z-index: 5;
}
@keyframes osPulseFade {
  0%   { opacity: 0.9; }
  100% { opacity: 0; }
}

/* Hide the old floating pill nav since the dock + top bar replace it */
.nav { display: none !important; }

/* ===================================================================
   Motion preferences
   =================================================================== */
@media (prefers-reduced-motion: reduce) {
  .os-foot-feed .line { animation-duration: 60s !important; }
}