/* Light mode overrides */
[data-theme="light"] {
  --ed-color-bg:            #ffffff;
  --ed-color-surface:       #f5f5f5;
  --ed-color-surface-hover: #ebebeb;
  --ed-color-text:          #404040;
  --ed-color-text-muted:    #636363;
  --ed-color-text-faint:    #a3a3a3;
  --ed-color-heading:       #0a0a0a;
  --ed-color-border:        #e5e5e5;
  --ed-color-border-hover:  #d4d4d4;
  --ed-glass-bg:            rgba(0, 0, 0, 0.02);
  --ed-glass-bg-hover:      rgba(0, 0, 0, 0.04);
  --ed-glass-border:        rgba(0, 0, 0, 0.08);
  --ed-glass-border-hover:  rgba(0, 0, 0, 0.18);
}

[data-theme="light"] body {
  background: var(--ed-color-bg);
  color: var(--ed-color-text);
}

[data-theme="light"] .ed-topbar {
  background: rgba(255, 255, 255, 0.85);
  border-bottom-color: var(--ed-color-border);
}

[data-theme="light"] .ed-topbar-logo,
[data-theme="light"] .ed-topbar-link {
  color: var(--ed-color-heading);
}

[data-theme="light"] .ed-topbar-link.active {
  color: var(--ed-color-heading);
}

[data-theme="light"] .ed-btn-primary {
  background: #0a0a0a;
  color: #ffffff;
}

[data-theme="light"] .ed-btn-primary:hover {
  background: #262626;
}

/* Theme toggle button — matches ifkash.dev */
#theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: none;
  border: 1px solid var(--ed-color-border);
  border-radius: var(--ed-radius-md);
  color: var(--ed-color-text-muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  flex-shrink: 0;
}
#theme-toggle:hover {
  color: var(--ed-color-heading);
  border-color: var(--ed-color-border-hover);
  background: var(--ed-color-surface);
}
#theme-toggle svg { display: block; }

/* Sticky footer */
body { display: flex; flex-direction: column; min-height: 100vh; }
main { flex: 1; }

/* Active nav link */
.ed-topbar-link.active { color: var(--ed-white); }

/* Split hero */
.split-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  margin-bottom: 0;
}

/* Stat cards */
.mini-stat {
  background: var(--ed-glass-bg);
  border: 1px solid var(--ed-glass-border);
  border-radius: var(--ed-radius-md);
  padding: 1rem 1.25rem;
  text-align: center;
  transition: border-color 0.2s, background 0.2s;
}
.mini-stat:hover {
  background: var(--ed-glass-bg-hover);
  border-color: var(--ed-glass-border-hover);
}
.mini-stat-val {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--ed-color-heading);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.mini-stat-lbl {
  font-size: 0.6875rem;
  color: var(--ed-color-text-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Skills pill row */
.skills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--ed-color-border);
}
.skill-pill {
  font-size: 0.75rem;
  color: var(--ed-color-text-muted);
  background: var(--ed-glass-bg);
  border: 1px solid var(--ed-glass-border);
  border-radius: 9999px;
  padding: 0.25rem 0.75rem;
  transition: color 0.15s, border-color 0.15s;
}
.skill-pill:hover {
  color: var(--ed-white);
  border-color: var(--ed-glass-border-hover);
}

[data-theme="light"] .skill-pill:hover {
  color: var(--ed-color-heading);
}

/* Pulsing status dot */
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ed-color-success);
  display: inline-block;
  flex-shrink: 0;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Terminal prompt */
.terminal-prompt {
  font-family: 'Fira Code', 'SF Mono', Consolas, monospace;
  font-size: 0.875rem;
  color: var(--ed-color-success);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

/* "perception_engineer.init()" = 26 chars */
.terminal-typing {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  width: 0;
  animation: type-out 1.6s steps(26, end) 0.4s forwards;
}

.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 1em;
  background: var(--ed-color-success);
  opacity: 0;
  vertical-align: middle;
  /* starts blinking only after typing finishes */
  animation: blink-cursor 0.9s step-end infinite;
  animation-delay: 2s;
}

@keyframes type-out {
  from { width: 0; }
  to   { width: 26ch; }
}
@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Hamburger button — hidden on desktop */
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: none;
  border: 1px solid var(--ed-color-border);
  border-radius: var(--ed-radius-md);
  color: var(--ed-color-text-muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.menu-toggle:hover {
  color: var(--ed-color-heading);
  border-color: var(--ed-color-border-hover);
  background: var(--ed-color-surface);
}
.menu-toggle svg { display: block; }

/* Mobile */
@media (max-width: 640px) {
  .split-hero {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .ed-topbar-logo { font-size: 0.875rem; }

  .menu-toggle { display: flex; }

  .ed-topbar { position: relative; }

  #main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 0.25rem 1.25rem 0.75rem;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--ed-glass-border);
    z-index: 99;
  }

  #main-nav.open { display: flex; }

  [data-theme="light"] #main-nav {
    background: rgba(255, 255, 255, 0.97);
    border-bottom-color: var(--ed-color-border);
  }

  #main-nav .ed-topbar-link {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--ed-color-border);
    font-size: 0.875rem;
    letter-spacing: 0.05em;
  }

  #main-nav .ed-topbar-link:last-child {
    border-bottom: none;
  }
}

/* Back-to-top button */
#back-to-top {
  position: fixed;
  bottom: 7%;
  right: 3%;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: var(--ed-color-surface);
  border: 1px solid var(--ed-color-border);
  border-radius: 50%;
  color: var(--ed-color-text-muted);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  visibility: hidden;
  opacity: 0;
  transition: visibility 0s 0.2s, opacity 0.2s, color 0.15s, border-color 0.15s, background 0.15s, box-shadow 0.15s;
  z-index: 9999;
}
#back-to-top.visible {
  visibility: visible;
  opacity: 1;
  transition-delay: 0s;
}
#back-to-top:hover {
  color: var(--ed-color-heading);
  border-color: var(--ed-color-border-hover);
  background: var(--ed-color-surface-hover);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}
@media (max-width: 640px) {
  #back-to-top {
    bottom: 20px;
    right: 16px;
    width: 40px;
    height: 40px;
  }
}
@media (max-width: 420px) {
  #back-to-top {
    bottom: 16px;
    right: 12px;
    width: 36px;
    height: 36px;
  }
}