/* ── Custom Cursor (desktop/hover-capable devices only) ──────────────────── */
@media (hover: hover) {
  *, *::before, *::after { cursor: none !important; }

  .cursor-dot {
    position: fixed;
    width: 7px; height: 7px;
    background: var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 999999;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 10px var(--primary-color), 0 0 22px rgba(0,255,255,0.3);
    transition: width 0.15s, height 0.15s, background 0.15s;
  }

  .cursor-ring {
    position: fixed;
    width: 30px; height: 30px;
    border: 1.5px solid rgba(0,255,255,0.5);
    border-radius: 50%;
    pointer-events: none;
    z-index: 999998;
    transform: translate(-50%, -50%);
    transition: width 0.2s ease, height 0.2s ease, border-color 0.2s ease;
  }

  .cursor-ring.hover {
    width: 52px; height: 52px;
    border-color: rgba(255,105,180,0.7);
  }
}

/* ── Neural Network Canvas (Hero Background) ─────────────────────────────── */
#neural-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 2;
  pointer-events: none;
  mix-blend-mode: screen;
}

/* ── Click Ripple ────────────────────────────────────────────────────────── */
.click-ripple {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 999997;
  transform: translate(-50%, -50%) scale(0);
  animation: rippleOut 0.55s ease-out forwards;
}

@keyframes rippleOut {
  to { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}

/* ── 3D Card Tilt Shine ──────────────────────────────────────────────────── */
.tilt-shine {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 10;
  background: radial-gradient(
    circle at var(--shine-x, 50%) var(--shine-y, 50%),
    rgba(255,255,255,0.07) 0%,
    transparent 65%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover .tilt-shine,
.blog-card:hover .tilt-shine,
.skill-card:hover .tilt-shine { opacity: 1; }

/* ── Section Scan Line ───────────────────────────────────────────────────── */
section { position: relative; }

.section-scan::after {
  content: '';
  position: absolute;
  top: -2px; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-color) 30%, var(--secondary-color) 70%, transparent);
  box-shadow: 0 0 14px var(--primary-color);
  z-index: 50;
  pointer-events: none;
  opacity: 0;
}

.section-scan.scanning::after {
  animation: scanSweep 1s ease-in-out forwards;
}

@keyframes scanSweep {
  0%   { top: 0;    opacity: 0; }
  8%   { opacity: 1; }
  92%  { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* ── Section heading glitch on hover ────────────────────────────────────── */
section h2[data-text] { position: relative; }

section h2[data-text]:hover::before {
  content: attr(data-text);
  position: absolute;
  top: 0; left: -2px;
  color: var(--primary-color);
  animation: hGlitch 0.25s steps(2, end);
  clip-path: polygon(0 15%, 100% 15%, 100% 50%, 0 50%);
  opacity: 0.55;
}

@keyframes hGlitch {
  0%   { transform: translate(-2px, 0); }
  33%  { transform: translate(2px, 1px); }
  66%  { transform: translate(-1px, -1px); }
  100% { transform: translate(0); }
}

/* ── Scroll-to-top Button ────────────────────────────────────────────────── */
#scroll-top-btn {
  position: fixed;
  bottom: 84px; right: 20px;
  width: 40px; height: 40px;
  background: rgba(0,0,0,0.88);
  border: 1px solid rgba(0,255,255,0.3);
  border-radius: 50%;
  color: var(--primary-color);
  font-size: 1.1rem;
  font-family: var(--font-family);
  cursor: pointer;
  z-index: 9990;
  display: flex;
  align-items: center; justify-content: center;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s, box-shadow 0.3s;
  pointer-events: none;
}

#scroll-top-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

#scroll-top-btn:hover {
  box-shadow: 0 0 18px rgba(0,255,255,0.5);
  background: rgba(0,255,255,0.1);
}

/* ── Terminal Toggle Button ──────────────────────────────────────────────── */
#terminal-toggle {
  position: fixed;
  bottom: 20px; right: 20px;
  width: 44px; height: 44px;
  background: rgba(0,0,0,0.9);
  border: 1px solid rgba(0,255,255,0.4);
  border-radius: 50%;
  color: var(--primary-color);
  font-size: 1rem;
  cursor: pointer;
  z-index: 9991;
  display: flex;
  align-items: center; justify-content: center;
  box-shadow: 0 0 14px rgba(0,255,255,0.2);
  transition: box-shadow 0.3s, background 0.3s;
}

#terminal-toggle:hover {
  box-shadow: 0 0 28px rgba(0,255,255,0.55);
  background: rgba(0,255,255,0.1);
}

/* ── Terminal Widget ─────────────────────────────────────────────────────── */
#terminal-widget {
  position: fixed;
  bottom: 76px; right: 20px;
  width: 460px;
  max-height: 380px;
  background: rgba(0,0,0,0.96);
  border: 1px solid rgba(0,255,255,0.22);
  border-radius: 10px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.74rem;
  z-index: 9990;
  box-shadow: 0 0 40px rgba(0,255,255,0.07), 0 20px 60px rgba(0,0,0,0.7);
  display: flex;
  flex-direction: column;
  transform-origin: bottom right;
  transform: scale(0.92);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

#terminal-widget.open {
  transform: scale(1);
  opacity: 1;
  pointer-events: all;
}

.terminal-titlebar {
  background: rgba(0,255,255,0.05);
  border-bottom: 1px solid rgba(0,255,255,0.1);
  padding: 9px 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  border-radius: 10px 10px 0 0;
  flex-shrink: 0;
}

.terminal-dots { display: flex; gap: 5px; }
.terminal-dots span {
  width: 11px; height: 11px;
  border-radius: 50%;
  display: inline-block;
  cursor: pointer;
  transition: filter 0.2s;
}
.terminal-dots span:hover { filter: brightness(1.4); }
.dot-red    { background: #FF5F57; }
.dot-yellow { background: #FEBC2E; }
.dot-green  { background: #28C840; }

.terminal-titlebar-text {
  color: rgba(0,255,255,0.5);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}

.terminal-output {
  flex-grow: 1;
  overflow-y: auto;
  padding: 10px 14px 4px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,255,255,0.15) transparent;
}
.terminal-output::-webkit-scrollbar { width: 3px; }
.terminal-output::-webkit-scrollbar-thumb { background: rgba(0,255,255,0.2); border-radius: 4px; }

.t-line {
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
  color: rgba(255,255,255,0.82);
}
.t-line.t-prompt  { color: var(--primary-color); }
.t-line.t-success { color: #00FF88; }
.t-line.t-warn    { color: #FEBC2E; }
.t-line.t-error   { color: var(--secondary-color); }
.t-line.t-dim     { color: rgba(255,255,255,0.38); }
.t-line.t-pink    { color: var(--secondary-color); }
.t-line.t-cyan    { color: var(--primary-color); }

.terminal-input-row {
  display: flex;
  align-items: center;
  padding: 7px 14px 11px;
  border-top: 1px solid rgba(0,255,255,0.08);
  gap: 7px;
  flex-shrink: 0;
}

.terminal-prompt-sym {
  color: var(--primary-color);
  font-family: 'Courier New', monospace;
  font-size: 0.74rem;
  flex-shrink: 0;
  white-space: nowrap;
}

#terminal-input-el {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-family: 'Courier New', monospace;
  font-size: 0.74rem;
  caret-color: var(--primary-color);
}

/* ── Mobile: hide terminal on tiny screens ───────────────────────────────── */
@media (max-width: 500px) {
  #terminal-widget { width: calc(100vw - 24px); right: 12px; bottom: 72px; }
  #terminal-toggle { right: 12px; bottom: 12px; }
  #scroll-top-btn  { right: 64px; bottom: 12px; }
}