/* OrbitOS — space desktop for Eli Ziv */

:root {
  --bg-deep: #050816;
  --bg-panel: rgba(12, 18, 40, 0.88);
  --border-glow: rgba(120, 180, 255, 0.35);
  --accent: #6ec8ff;
  --accent-hot: #ff9f6e;
  --accent-lime: #9dffb0;
  --text: #e8f0ff;
  --text-dim: #9bb0d0;
  --titlebar: linear-gradient(90deg, #1a2744 0%, #122038 100%);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
  --radius: 12px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "SF Mono", "Cascadia Code", "Consolas", monospace;
  --z-windows: 10;
  --taskbar-h: 56px;
}

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

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg-deep);
  user-select: none;
}

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

.desktop {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 50% at 70% 20%, rgba(80, 40, 140, 0.35), transparent 55%),
    radial-gradient(ellipse 60% 40% at 20% 80%, rgba(20, 80, 140, 0.3), transparent 50%),
    linear-gradient(160deg, #050816 0%, #0a1230 45%, #0d1a28 100%);
}

/* Animated starfields */
.stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-repeat: repeat;
}

.stars-a {
  background-image:
    radial-gradient(1px 1px at 10% 20%, #fff, transparent),
    radial-gradient(1px 1px at 30% 60%, #cde, transparent),
    radial-gradient(1.5px 1.5px at 55% 15%, #fff, transparent),
    radial-gradient(1px 1px at 70% 45%, #aef, transparent),
    radial-gradient(1px 1px at 85% 75%, #fff, transparent),
    radial-gradient(1px 1px at 15% 85%, #def, transparent),
    radial-gradient(1.5px 1.5px at 45% 90%, #fff, transparent),
    radial-gradient(1px 1px at 92% 30%, #cef, transparent);
  background-size: 320px 320px;
  animation: drift 120s linear infinite;
  opacity: 0.85;
}

.stars-b {
  background-image:
    radial-gradient(1px 1px at 20% 40%, #fff, transparent),
    radial-gradient(2px 2px at 60% 25%, #ffe, transparent),
    radial-gradient(1px 1px at 80% 70%, #adf, transparent),
    radial-gradient(1px 1px at 40% 80%, #fff, transparent);
  background-size: 480px 480px;
  animation: drift 180s linear infinite reverse;
  opacity: 0.55;
}

.nebula {
  position: absolute;
  width: 55vmax;
  height: 55vmax;
  right: -10%;
  top: -15%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(110, 80, 200, 0.22), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  animation: pulse 14s ease-in-out infinite;
}

.orbit-ring {
  position: absolute;
  width: min(70vw, 520px);
  height: min(70vw, 520px);
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(110, 200, 255, 0.12);
  border-radius: 50%;
  box-shadow:
    inset 0 0 40px rgba(80, 160, 255, 0.06),
    0 0 60px rgba(80, 160, 255, 0.05);
  pointer-events: none;
}

.orbit-ring::before {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  top: 50%;
  left: -5px;
  transform-origin: calc(min(35vw, 260px) + 5px) 0;
  animation: orbit 28s linear infinite;
}

@keyframes drift {
  from { background-position: 0 0; }
  to { background-position: 320px 160px; }
}

@keyframes pulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

@keyframes orbit {
  from { transform: rotate(0deg) translateX(0); }
  to { transform: rotate(360deg) translateX(0); }
}

/* Desktop icons */
.icon-grid {
  position: absolute;
  top: 24px;
  left: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 2;
}

.desk-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 84px;
  padding: 10px 6px;
  border-radius: 10px;
  transition: background 0.15s, transform 0.15s;
}

.desk-icon:hover,
.desk-icon:focus-visible {
  background: rgba(110, 200, 255, 0.15);
  outline: 1px solid var(--border-glow);
}

.desk-icon:active {
  transform: scale(0.96);
}

.icon-glyph {
  font-size: 1.85rem;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.4));
}

.icon-label {
  font-size: 0.75rem;
  text-align: center;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
  color: var(--text);
}

/* Windows */
.windows-layer {
  position: absolute;
  inset: 0 0 var(--taskbar-h) 0;
  z-index: var(--z-windows);
  pointer-events: none;
}

.window {
  position: absolute;
  min-width: 280px;
  min-height: 180px;
  max-width: calc(100vw - 24px);
  max-height: calc(100vh - var(--taskbar-h) - 16px);
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  pointer-events: auto;
  overflow: hidden;
  transition: box-shadow 0.15s, opacity 0.15s, transform 0.15s;
}

.window.focused {
  border-color: rgba(150, 210, 255, 0.55);
  box-shadow:
    var(--shadow),
    0 0 0 1px rgba(110, 200, 255, 0.2),
    0 0 24px rgba(80, 160, 255, 0.15);
}

.window.minimized {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.92) translateY(20px);
}

.titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px 8px 14px;
  background: var(--titlebar);
  border-bottom: 1px solid rgba(120, 180, 255, 0.2);
  cursor: grab;
  flex-shrink: 0;
}

.titlebar:active {
  cursor: grabbing;
}

.titlebar-title {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.titlebar-controls {
  display: flex;
  gap: 6px;
}

.win-btn {
  width: 28px;
  height: 24px;
  border-radius: 6px;
  font-size: 0.75rem;
  line-height: 1;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
  transition: background 0.12s, color 0.12s;
}

.win-btn:hover,
.win-btn:focus-visible {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text);
  outline: none;
}

.win-btn.close:hover,
.win-btn.close:focus-visible {
  background: rgba(255, 90, 90, 0.35);
  color: #fff;
}

.window-body {
  flex: 1;
  overflow: auto;
  padding: 16px;
  user-select: text;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--text);
}

.window-body::-webkit-scrollbar {
  width: 8px;
}

.window-body::-webkit-scrollbar-thumb {
  background: rgba(120, 180, 255, 0.3);
  border-radius: 4px;
}

/* Content styles */
.welcome-hero {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.welcome-hero h1 {
  margin: 0;
  font-size: 1.45rem;
  background: linear-gradient(90deg, var(--accent), #c9a0ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 4px;
}

.badge {
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(110, 200, 255, 0.12);
  border: 1px solid rgba(110, 200, 255, 0.3);
  color: var(--accent);
}

.welcome-hero p {
  margin: 0;
  color: var(--text-dim);
}

.welcome-hero strong {
  color: var(--text);
}

.project-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.project-card {
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(120, 180, 255, 0.18);
  transition: border-color 0.15s, background 0.15s;
}

.project-card:hover {
  background: rgba(110, 200, 255, 0.08);
  border-color: rgba(110, 200, 255, 0.4);
}

.project-card h3 {
  margin: 0 0 4px;
  font-size: 0.98rem;
  color: var(--accent-lime);
}

.project-card p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Sticky notes */
.notes-app {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  min-height: 220px;
}

.notes-toolbar {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.notes-toolbar button {
  padding: 6px 12px;
  border-radius: 8px;
  background: rgba(110, 200, 255, 0.15);
  border: 1px solid rgba(110, 200, 255, 0.35);
  color: var(--accent);
  font-size: 0.8rem;
}

.notes-toolbar button:hover,
.notes-toolbar button:focus-visible {
  background: rgba(110, 200, 255, 0.28);
  outline: none;
}

.notes-area {
  flex: 1;
  width: 100%;
  min-height: 160px;
  resize: none;
  border: 1px solid rgba(255, 200, 100, 0.35);
  border-radius: 10px;
  padding: 12px;
  font-family: var(--font);
  font-size: 0.95rem;
  line-height: 1.45;
  color: #2a2410;
  background: linear-gradient(180deg, #ffe9a8 0%, #ffd978 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.notes-area:focus {
  outline: 2px solid var(--accent-hot);
  outline-offset: 2px;
}

.notes-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin: 0;
}

/* Terminal */
.terminal {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 240px;
  margin: -16px;
  background: #060a14;
  font-family: var(--mono);
  font-size: 0.82rem;
}

.terminal-output {
  flex: 1;
  overflow-y: auto;
  padding: 12px 14px;
  color: #b8e0ff;
  white-space: pre-wrap;
  word-break: break-word;
  user-select: text;
}

.terminal-output .muted {
  color: #6a849e;
}

.terminal-output .ok {
  color: var(--accent-lime);
}

.terminal-output .warn {
  color: var(--accent-hot);
}

.terminal-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid rgba(110, 200, 255, 0.2);
  background: rgba(8, 14, 28, 0.95);
}

.terminal-prompt {
  color: var(--accent);
  flex-shrink: 0;
}

.terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.82rem;
  outline: none;
  caret-color: var(--accent);
}

/* Taskbar */
.taskbar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--taskbar-h);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  background: rgba(6, 10, 24, 0.82);
  border-top: 1px solid rgba(120, 180, 255, 0.2);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 100;
}

.dock {
  display: flex;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(120, 180, 255, 0.18);
}

.dock-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  font-size: 1.25rem;
  display: grid;
  place-items: center;
  transition: background 0.15s, transform 0.15s;
}

.dock-btn:hover,
.dock-btn:focus-visible,
.dock-btn.active {
  background: rgba(110, 200, 255, 0.2);
  outline: none;
  transform: translateY(-2px);
}

.clock {
  position: absolute;
  right: 18px;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.03em;
}

@media (max-width: 520px) {
  .icon-grid {
    flex-direction: row;
    flex-wrap: wrap;
    max-width: calc(100vw - 40px);
  }

  .window {
    min-width: 240px;
  }

  .clock {
    display: none;
  }
}