/* ── Scroll progress bar ─────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: transparent;
  z-index: 9999;
  pointer-events: none;
}

.scroll-progress__fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(to right, var(--neon-cyan), var(--neon-purple), var(--neon-pink));
  transform: scaleX(0);
  transform-origin: left;
  /* Use a fast linear transition so the bar tracks the finger/wheel precisely */
  transition: transform 0.08s linear;
  box-shadow: 0 0 6px rgba(0, 242, 255, 0.6);
}

@media (prefers-reduced-motion: reduce) {
  .scroll-progress__fill { transition: none; }
}

/* Status Indicator */
.status-indicator {
  position: fixed;
  bottom: 20px;
  left: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.7rem;
  color: var(--neon-cyan);
  z-index: 9999;
  opacity: 0.75;
  letter-spacing: 0.05em;
  pointer-events: none;
}

:root[data-theme="light"] .status-indicator {
  color: var(--text-dim);
  opacity: 1;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--neon-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--neon-cyan);
  flex-shrink: 0;
  animation: dot-blink 1.4s ease-in-out infinite;
}

@keyframes dot-blink {
  0%, 100% { opacity: 1;   box-shadow: 0 0 8px var(--neon-cyan); }
  50%       { opacity: 0.1; box-shadow: none; }
}

/* Glitch hover for Vercel / Netlify buttons */
.glitch-btn {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.glitch-btn::before {
  background: var(--neon-cyan);
}

@keyframes glitch-shake {
  0%   { transform: translateY(-5px) translateX(0)    skewX(0deg); }
  20%  { transform: translateY(-5px) translateX(-3px)  skewX(1deg); }
  40%  { transform: translateY(-5px) translateX(3px)   skewX(-1deg); }
  60%  { transform: translateY(-5px) translateX(-2px)  skewX(0.5deg); }
  80%  { transform: translateY(-5px) translateX(2px)   skewX(-0.5deg); }
  100% { transform: translateY(-5px) translateX(0)    skewX(0deg); }
}

.glitch-btn:hover {
  color: #000;
  box-shadow:
    0 0 25px var(--neon-cyan),
    0 0 50px rgba(0, 242, 255, 0.4),
    4px 0 0 var(--neon-pink),
    -4px 0 0 var(--neon-purple);
  animation: glitch-shake 0.35s steps(2) infinite;
}

/* ── Custom neon cursor ──────────────────────────────────────── */
@media (pointer: fine) {
  * { cursor: none !important; }

  .neon-cursor {
    position: fixed;
    top: 0; left: 0;
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--neon-cyan);
    box-shadow: 0 0 8px var(--neon-cyan), 0 0 20px rgba(0, 242, 255, 0.45);
    pointer-events: none;
    z-index: 99999;
    transform: translate(-100px, -100px);
    margin-left: -6px;
    margin-top: -6px;
    transition: width 0.12s ease, height 0.12s ease,
                margin 0.12s ease, box-shadow 0.12s ease;
  }

  .neon-cursor--active {
    width: 22px; height: 22px;
    margin-left: -11px; margin-top: -11px;
    background: transparent;
    border: 2px solid var(--neon-cyan);
    box-shadow: 0 0 14px var(--neon-cyan), 0 0 30px rgba(0, 242, 255, 0.5);
  }
}

/* ── Typewriter cursor ───────────────────────────────────────── */
.typewriter-cursor {
  display: inline-block;
  color: var(--neon-cyan);
  font-weight: 300;
  animation: cursor-blink 1s step-end infinite;
  margin-left: 1px;
}

.typewriter-cursor--done {
  animation: cursor-blink 1.2s step-end infinite;
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .typewriter-cursor { animation: none; opacity: 1; }
}

/* ── Easter egg overlay ──────────────────────────────────────── */
.easter-egg-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 7, 11, 0.96);
  z-index: 99998;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: eg-in 0.35s ease forwards;
}

.easter-egg-overlay--out {
  animation: eg-out 0.35s ease forwards;
}

@keyframes eg-in  { from { opacity: 0; } to { opacity: 1; } }
@keyframes eg-out { from { opacity: 1; } to { opacity: 0; } }

.easter-egg-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  padding: 40px 24px;
}

.easter-egg-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2rem, 6vw, 3.5rem);
  color: var(--neon-cyan);
  letter-spacing: 0.18em;
  text-shadow: 0 0 24px var(--neon-cyan), 0 0 60px rgba(0, 242, 255, 0.4);
  animation: eg-glitch 2.5s infinite;
}

@keyframes eg-glitch {
  0%, 90%, 100% { text-shadow: 0 0 24px var(--neon-cyan), 0 0 60px rgba(0,242,255,0.4); }
  92%  { text-shadow: -3px 0 var(--neon-pink), 3px 0 var(--neon-purple); }
  94%  { text-shadow: 0 0 24px var(--neon-cyan), 0 0 60px rgba(0,242,255,0.4); }
  96%  { text-shadow: 3px 0 var(--neon-pink), -3px 0 var(--neon-purple); }
}

.easter-egg-sub {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.9rem;
  color: var(--neon-pink);
  letter-spacing: 0.12em;
  opacity: 0.8;
}

.easter-egg-msg {
  font-family: 'Share Tech Mono', monospace;
  font-size: 1.15rem;
  color: var(--text-gray);
  line-height: 1.9;
}

.easter-egg-close {
  font-family: 'Share Tech Mono', monospace;
  background: transparent;
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  padding: 10px 36px;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.easter-egg-close:hover,
.easter-egg-close:focus-visible {
  background: var(--neon-cyan);
  color: #000;
  outline: none;
}

/* ── WCAG #20: stop dot-blink + glitch-shake under reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .status-dot { animation: none; opacity: 1; }
  .glitch-btn:hover { animation: none; }
}

.reduced-motion .status-dot,
.motion-off .status-dot {
  animation: none !important;
  opacity: 1 !important;
}

.reduced-motion .glitch-btn:hover,
.motion-off .glitch-btn:hover {
  animation: none !important;
}

/* Settings Panel */
.settings-panel {
  position: fixed;
  bottom: 3.5rem;
  left: 1.5rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.settings-toggle {
  width: 2.75rem;
  height: 2.75rem;
  background: var(--dark-card);
  border: 2px solid var(--neon-cyan);
  color: var(--neon-cyan);
  font-size: 1.25rem;
  cursor: pointer;
  border-radius: 4px;
  box-shadow: 0 0 12px rgba(0, 242, 255, 0.35);
  transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.settings-toggle:hover {
  box-shadow: 0 0 24px rgba(0, 242, 255, 0.7);
  transform: scale(1.08);
}

.settings-toggle[aria-expanded="true"] {
  color: var(--neon-pink);
  border-color: var(--neon-pink);
  box-shadow: 0 0 16px rgba(255, 0, 255, 0.5);
}

.settings-content {
  background: var(--dark-card);
  border: 2px solid var(--neon-cyan);
  padding: 1rem 1.25rem;
  min-width: 180px;
  box-shadow: 0 0 24px rgba(0, 242, 255, 0.2);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  /* Clamp height so panel doesn't clip off top in landscape mobile */
  max-height: calc(100svh - 5rem);
  overflow-y: auto;
}

.settings-content[hidden] {
  display: none;
}

.settings-label {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.65rem;
  color: var(--neon-cyan);
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.settings-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  /* Reset fieldset browser defaults */
  border: none;
  padding: 0;
  margin: 0;
  min-width: 0;
}

.settings-group-label {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-gray);
  letter-spacing: 0.1em;
}

.settings-options {
  display: flex;
  gap: 0.35rem;
}

.setting-btn {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.65rem;
  padding: 0.25rem 0.6rem;
  background: transparent;
  border: 1px solid rgba(0, 242, 255, 0.3);
  color: var(--text-gray);
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.2s ease;
  letter-spacing: 0.05em;
}

.setting-btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.setting-btn.is-active {
  background: var(--neon-cyan);
  border-color: var(--neon-cyan);
  color: #000;
  font-weight: bold;
}

/* ── Back-to-Top Button ─────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 8.5rem;
  right: 1.5rem;
  z-index: 190;
  width: 2.75rem;
  height: 2.75rem;
  background: var(--dark-card);
  border: 2px solid var(--neon-purple);
  color: var(--neon-purple);
  font-size: 1.25rem;
  line-height: 1;
  border-radius: 4px;
  cursor: pointer;
  box-shadow: 0 0 14px rgba(157, 0, 255, 0.35);
  transition: border-color 0.25s, color 0.25s, box-shadow 0.25s, transform 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 24px rgba(0, 242, 255, 0.5);
  transform: translateY(-2px);
}

.back-to-top[hidden] {
  display: none !important;
}