/* AsadOS — Dark terminal OS portfolio */
:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-window: #0e0e16;
  --border: #1e1e2e;
  --border-glow: #00e5ff33;
  --text: #e4e4ed;
  --text-muted: #8b8b9e;
  --accent: #00e5ff;
  --accent-dim: #00b8d4;
  --success: #00e676;
  --warning: #ffab00;
  --danger: #ff5252;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --font-sans: 'Inter', system-ui, sans-serif;
  --radius: 10px;
  --taskbar-h: 52px;
  --shadow: 0 8px 32px rgba(0,0,0,0.55);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.5;
  overflow-x: hidden;
}

body.boot-active { overflow: hidden; }

/* ========== BOOT SCREEN ========== */
#boot-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #050508;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  transition: opacity 0.5s ease, visibility 0.5s;
}
#boot-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.boot-logo {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
  text-shadow: 0 0 24px var(--accent);
}
.boot-lines {
  width: min(420px, 90vw);
  min-height: 120px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.boot-lines div { margin-bottom: 0.35rem; opacity: 0; animation: fadeIn 0.3s forwards; }
.boot-lines .ok { color: var(--success); }
.boot-progress {
  width: min(320px, 80vw);
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin-top: 1.8rem;
  overflow: hidden;
}
.boot-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  transition: width 0.25s linear;
  box-shadow: 0 0 12px var(--accent);
}
.boot-skip {
  position: absolute;
  bottom: 2rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.7;
}
@keyframes fadeIn { to { opacity: 1; } }

/* ========== DESKTOP ========== */
#desktop {
  min-height: 100vh;
  padding: 1.5rem 1.5rem calc(var(--taskbar-h) + 1.5rem);
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, #00e5ff12, transparent),
    radial-gradient(ellipse 60% 40% at 90% 80%, #7c4dff0a, transparent),
    var(--bg);
  display: none;
}
#desktop.visible { display: block; }

.desktop-icons {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 1.25rem;
  max-width: 640px;
}
.icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  padding: 0.6rem;
  border-radius: var(--radius);
  transition: background 0.15s, transform 0.15s;
  text-decoration: none;
  color: inherit;
  border: none;
  background: transparent;
  font-family: var(--font-mono);
}
.icon:hover, .icon:focus-visible {
  background: #ffffff0d;
  transform: translateY(-2px);
  outline: none;
}
.icon-glyph {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 0 0 1px var(--border-glow);
}
.icon:hover .icon-glyph {
  border-color: var(--accent);
  box-shadow: 0 0 16px #00e5ff44;
}
.icon-label {
  font-size: 0.72rem;
  text-align: center;
  color: var(--text);
  max-width: 88px;
  word-break: break-word;
}

/* ========== TASKBAR ========== */
#taskbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--taskbar-h);
  background: #0c0c14ee;
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  z-index: 100;
  padding: 0 0.75rem;
}
#taskbar.visible { display: flex; }
.tb-btn {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  transition: background 0.15s, border-color 0.15s;
  font-family: var(--font-mono);
}
.tb-btn:hover, .tb-btn.active {
  background: #ffffff12;
  border-color: var(--border);
}
.tb-btn.active {
  border-color: var(--accent);
  box-shadow: 0 0 12px #00e5ff33;
}
.tb-clock {
  position: absolute;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ========== WINDOW / APP CHROME ========== */
.app-window {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--bg);
  flex-direction: column;
}
.app-window.open {
  display: flex;
  animation: windowIn 0.25s ease;
}
@keyframes windowIn {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: scale(1); }
}

.window-titlebar {
  flex-shrink: 0;
  height: 44px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 0.75rem;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.window-controls {
  display: flex;
  gap: 0.4rem;
}
.win-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
}
.win-btn.close { background: #ff5f57; }
.win-btn.min { background: #febc2e; }
.win-btn.max { background: #28c840; }
.window-title {
  flex: 1;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.window-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.25rem 2rem;
  -webkit-overflow-scrolling: touch;
}

/* ========== CONTENT STYLES ========== */
h1, h2, h3 {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -0.02em;
}
h1 { font-size: 1.5rem; margin-bottom: 0.75rem; color: var(--accent); }
h2 { font-size: 1.15rem; margin: 1.5rem 0 0.75rem; color: var(--text); }
h3 { font-size: 1rem; margin-bottom: 0.4rem; }

.muted { color: var(--text-muted); font-size: 0.9rem; }
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #ffffff08;
}
.badge.live { border-color: #00e67655; color: var(--success); }
.badge.beta { border-color: #ffab0055; color: var(--warning); }
.badge.soon { border-color: #8b8b9e55; color: var(--text-muted); }

.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .card-grid.three { grid-template-columns: repeat(3, 1fr); }
}

.card {
  background: var(--bg-window);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.card:hover {
  border-color: #00e5ff44;
  box-shadow: 0 0 20px #00e5ff15;
}
.card a { color: var(--accent); text-decoration: none; }
.card a:hover { text-decoration: underline; }

.timeline {
  position: relative;
  padding-left: 1.5rem;
  border-left: 2px solid var(--border);
  margin: 1rem 0;
}
.timeline-item {
  position: relative;
  margin-bottom: 1.5rem;
  padding-left: 0.5rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.7rem;
  top: 0.35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 0.2rem;
}

.stack-group {
  margin-bottom: 1.25rem;
}
.stack-group h3 {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.3rem 0.65rem;
  background: #ffffff0a;
  border: 1px solid var(--border);
  border-radius: 6px;
}

/* Contact form */
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px #00e5ff22;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.3rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary {
  background: var(--accent);
  color: #0a0a0f;
}
.btn-primary:hover { background: #33ebff; transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.form-msg {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  font-family: var(--font-mono);
}
.form-msg.ok { color: var(--success); }
.form-msg.err { color: var(--danger); }

.links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}
.links-row a {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
}
.links-row a:hover { text-decoration: underline; }

/* ========== CHAT ========== */
.chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 44px - 1.5rem);
  max-height: 640px;
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.msg {
  max-width: 92%;
  padding: 0.7rem 0.95rem;
  border-radius: 12px;
  font-size: 0.92rem;
  line-height: 1.45;
}
.msg.bot {
  align-self: flex-start;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}
.msg.user {
  align-self: flex-end;
  background: #00e5ff18;
  border: 1px solid #00e5ff44;
  border-bottom-right-radius: 4px;
}
.msg .meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}
.chat-input-row {
  display: flex;
  gap: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}
.chat-input-row input {
  flex: 1;
  padding: 0.7rem 0.9rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
}
.chat-input-row input:focus {
  outline: none;
  border-color: var(--accent);
}
.chat-input-row button {
  padding: 0.7rem 1rem;
  background: var(--accent);
  color: #0a0a0f;
  border: none;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-weight: 600;
  cursor: pointer;
}
.chat-input-row button:disabled { opacity: 0.5; cursor: not-allowed; }

/* Mobile tweaks */
@media (max-width: 640px) {
  .desktop-icons {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
  }
  .window-body { padding: 1rem; }
  #desktop { padding: 1rem 1rem calc(var(--taskbar-h) + 1rem); }
}

/* ========== TERMINAL / CLI (yawar.online inspired) ========== */
.terminal-body {
  font-family: var(--font-mono);
}
.cli-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 0.5rem 0.75rem;
  background: #0a0a12;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.8rem;
}
.cli-prompt {
  color: var(--accent);
  font-weight: 600;
}
.cli-path {
  color: var(--text-muted);
}
.cli-status {
  margin-left: auto;
  color: var(--success);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}
.cli-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 1.25rem 0;
}
.cli-form label {
  font-family: var(--font-mono);
  color: var(--accent-dim);
  font-size: 0.8rem;
}
.cli-form input,
.cli-form textarea {
  font-family: var(--font-mono);
  background: #0a0a12;
  border-color: #1a1a2e;
}
.cli-form input:focus,
.cli-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px #00e5ff22;
}

/* ========== 3D CARD FEEL (simple, subtle) ========== */
.card-3d {
  transform-style: preserve-3d;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  box-shadow:
    0 4px 12px rgba(0,0,0,0.35),
    0 1px 0 rgba(255,255,255,0.03) inset;
}
.card-3d:hover {
  transform: translateY(-4px) rotateX(2deg);
  box-shadow:
    0 12px 28px rgba(0,0,0,0.45),
    0 0 24px rgba(0,229,255,0.08),
    0 1px 0 rgba(255,255,255,0.05) inset;
  border-color: #00e5ff55;
}
.card-3d a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}
.card-3d a:hover {
  border-bottom-color: var(--accent);
}

/* Soft 3D depth on icons */
.icon {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.icon:hover {
  transform: translateY(-3px) scale(1.04);
  filter: drop-shadow(0 6px 12px rgba(0,229,255,0.15));
}

/* Subtle grid / depth on desktop */
#desktop {
  perspective: 1200px;
}