/**
 * Enhancements CSS
 * Section Dots · Micro-Interactions · Blog · Skill Radar · Voice UI · Easter Eggs
 * @version 2.0.0
 */

/* ============================================
   SECTION DOT NAVIGATION
   ============================================ */
.section-dots {
  position: fixed;
  right: 1rem;
  top: 50%;
  translate: 0 -50%;
  z-index: var(--z-fixed, 9999);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.4rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-dark, #0a0a0f) 60%, transparent);
  backdrop-filter: blur(12px);
  border: 1px solid color-mix(in srgb, var(--text-primary, #fff) 8%, transparent);
  pointer-events: auto;
  transition:
    opacity 0.24s ease,
    translate 0.24s ease,
    visibility 0.24s ease;
}

html.robot-chat-open .section-dots,
body.robot-chat-open .section-dots,
html:has(#robot-chat-window.open) .section-dots,
body:has(#robot-chat-window.open) .section-dots,
body:has(#robot-companion-container.robot-chat--open) .section-dots,
body[data-active-overlay="robot-chat"] .section-dots {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  translate: 12px -50%;
}

.section-dots__dot {
  --_size: 10px;
  width: var(--_size);
  height: var(--_size);
  padding: 0;
  border: none;
  border-radius: 50%;
  background: color-mix(in srgb, var(--text-primary, #fff) 25%, transparent);
  cursor: pointer;
  transition:
    transform 0.25s ease,
    background 0.25s ease,
    box-shadow 0.25s ease;
  position: relative;
}

.section-dots__dot:hover {
  transform: scale(1.4);
  background: color-mix(in srgb, var(--text-primary, #fff) 50%, transparent);
}

.section-dots__dot.is-active {
  transform: scale(1.5);
  background: var(--clr-blue-500, #60a5fa);
  box-shadow: 0 0 8px color-mix(in srgb, var(--clr-blue-500, #60a5fa) 50%, transparent);
}

/* Tooltip on hover */
.section-dots__dot::after {
  content: attr(title);
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  translate: 0 -50%;
  white-space: nowrap;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-primary, #e2e8f0);
  background: color-mix(in srgb, var(--bg-dark, #0a0a0f) 85%, transparent);
  backdrop-filter: blur(8px);
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  border: 1px solid color-mix(in srgb, var(--text-primary, #fff) 10%, transparent);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    translate 0.2s ease;
  translate: 6px -50%;
}

.section-dots__dot:hover::after {
  opacity: 1;
  translate: 0 -50%;
}

/* ============================================
   MICRO-INTERACTIONS
   ============================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   BLOG ENHANCEMENTS
   ============================================ */
.reading-time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-secondary, #94a3b8);
  opacity: 0.85;
}

.reading-time svg {
  width: 14px;
  height: 14px;
  opacity: 0.7;
}

.toc {
  --_bg: color-mix(in srgb, var(--bg-secondary, #1e293b) 60%, transparent);
  position: relative;
  padding: 1rem 1.25rem;
  margin-block: 1.5rem;
  border-radius: 12px;
  background: var(--_bg);
  border-inline-start: 3px solid var(--accent-gradient-mid, #8b5cf6);
  backdrop-filter: blur(8px);
}

.toc__title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary, #94a3b8);
  margin-block-end: 0.6rem;
}

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

.toc__list li {
  padding-block: 0.25rem;
}

.toc__list a {
  color: var(--text-primary, #e2e8f0);
  text-decoration: none;
  font-size: 0.88rem;
  opacity: 0.8;
  transition:
    opacity 0.2s,
    padding-inline-start 0.2s;
}

.toc__list a:hover,
.toc__list a.toc--active {
  opacity: 1;
  color: var(--accent-gradient-mid, #8b5cf6);
}

.toc__list a:hover {
  padding-inline-start: 6px;
}

.toc__list .toc--h3 {
  padding-inline-start: 1rem;
}
.toc__list .toc--h4 {
  padding-inline-start: 2rem;
}

/* ============================================
   SKILL RADAR CHART
   ============================================ */
.skill-radar {
  --_card-bg: color-mix(in srgb, var(--bg-secondary, #0f172a) 80%, transparent);
  position: relative;
  display: grid;
  place-items: center;
  padding: 2rem;
  border-radius: 16px;
  background: var(--_card-bg);
  backdrop-filter: blur(12px);
  border: 1px solid color-mix(in srgb, var(--text-primary, #fff) 6%, transparent);
  overflow: hidden;
}

/* Inside About page bento card */
.skill-radar-mount .skill-radar {
  background: none;
  backdrop-filter: none;
  border: none;
  border-radius: 0;
  padding: 0;
}

.skill-radar-mount {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid color-mix(in srgb, var(--text-primary, #fff) 8%, transparent);
}

.skill-radar__charts {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}

.skill-radar canvas {
  max-width: 100%;
  height: auto;
}

.skill-radar__heading {
  margin-bottom: var(--size-r-1);
}

.skill-radar__chart-col {
  text-align: center;
}

.skill-radar__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-secondary, #94a3b8);
}

.skill-radar__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.skill-radar__dot--0 {
  background: #8b5cf6;
}

.skill-radar__dot--1 {
  background: #06b6d4;
}

/* ============================================
   SEARCH FILTERS
   ============================================ */
.search-filter-bar {
  display: flex;
  gap: 6px;
  padding: 4px 8px;
  flex-wrap: wrap;
}

.search-filter-chip {
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, currentColor 20%, transparent);
  background: none;
  color: var(--text-secondary, #94a3b8);
  cursor: pointer;
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s;
}

.search-filter-chip:hover {
  background: color-mix(in srgb, var(--text-primary, #fff) 8%, transparent);
}

.search-filter-chip.is-active {
  background: var(--accent-gradient-mid, #8b5cf6);
  color: #fff;
  border-color: transparent;
}

/* ============================================
   VOICE UI
   ============================================ */
.voice-btn {
  --_size: 40px;
  display: grid;
  place-items: center;
  width: var(--_size);
  height: var(--_size);
  padding: 0;
  border: none;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--accent-gradient-start, #6366f1),
    var(--accent-gradient-end, #a855f7)
  );
  color: #fff;
  cursor: pointer;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}

.voice-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 0 16px color-mix(in srgb, var(--accent-gradient-mid, #8b5cf6) 40%, transparent);
}

.voice-btn:active {
  transform: scale(0.94);
}

.voice-btn[data-listening] {
  animation: voice-pulse 1.2s ease-in-out infinite;
}

.voice-btn svg {
  width: 18px;
  height: 18px;
}

@keyframes voice-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent-gradient-mid, #8b5cf6) 40%, transparent);
  }
  50% {
    box-shadow: 0 0 0 10px color-mix(in srgb, var(--accent-gradient-mid, #8b5cf6) 0%, transparent);
  }
}

.tts-btn {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  border-radius: 6px;
  background: color-mix(in srgb, var(--text-primary, #fff) 8%, transparent);
  color: var(--text-secondary, #94a3b8);
  cursor: pointer;
  transition:
    color 0.2s,
    background 0.2s;
}

.tts-btn:hover {
  color: var(--accent-gradient-mid, #8b5cf6);
  background: color-mix(in srgb, var(--text-primary, #fff) 14%, transparent);
}

.tts-btn svg {
  width: 14px;
  height: 14px;
}

/* ============================================
   EASTER EGGS
   ============================================ */
.matrix-rain {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-fixed, 9999) + 100);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.matrix-rain.active {
  opacity: 1;
  pointer-events: auto;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (width <= 768px) {
  .section-dots {
    right: 0.5rem;
    gap: 0.5rem;
    padding: 0.4rem 0.3rem;
    background: color-mix(in srgb, var(--bg-dark, #0a0a0f) 40%, transparent);
    border: none;
  }

  .section-dots__dot {
    --_size: 8px;
  }
  .section-dots__dot.is-active {
    transform: scale(1.3);
  }
  .section-dots__dot::after {
    display: none;
  }

  .skill-radar {
    padding: 1rem;
  }
  .toc {
    margin-inline: -0.5rem;
    padding: 0.75rem 1rem;
  }
  .voice-btn {
    --_size: 36px;
  }
}

@media (width <= 480px) {
  .section-dots {
    right: 0.35rem;
    gap: 0.4rem;
    padding: 0.3rem 0.25rem;
  }

  .section-dots__dot {
    --_size: 7px;
  }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .section-dots__dot,
  .section-dots__dot::after {
    transition: none;
  }

  [data-reveal] {
    transition: none;
    opacity: 1;
    transform: none;
  }

  .voice-btn[data-listening] {
    animation: none;
  }
  .matrix-rain {
    transition: none;
  }
}