/* ── Base font size (ADA: 18px minimum for body text) ────────────────────── */
html {
  font-size: 18px;
}

/* ── Focus styles (ADA: visible keyboard navigation) ─────────────────────── */
:focus-visible {
  outline: 3px solid #3b82f6;
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Reduced motion (ADA: respect user preference) ───────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Typing cursor ───────────────────────────────────────────────────────── */
.cursor {
  animation: blink 0.7s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* ── Sticky nav shadow on scroll ─────────────────────────────────────────── */
nav {
  transition: box-shadow 0.2s ease;
}

nav.scrolled {
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08);
}

/* ── Profile photo (responsive sizing) ───────────────────────────────────── */
.profile-wrapper {
  position: relative;
  width: 200px;
  height: 200px;
  display: inline-block;
}

@media (min-width: 768px) {
  .profile-wrapper {
    width: 280px;
    height: 280px;
  }
  .profile-photo {
    width: 280px !important;
    height: 280px !important;
  }
}

.profile-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #111827;
}

.wave-overlay {
  position: absolute;
  bottom: -10px;
  right: -10px;
  width: 80px;
  height: 80px;
  pointer-events: none;
}

/* ── Flip cards (Why Me section — click-triggered, not hover) ────────────── */
.flip-card {
  perspective: 1000px;
  height: 340px;
  cursor: pointer;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

.flip-card-inner.flipped {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.flip-card-back {
  transform: rotateY(180deg);
}

/* ── Project card expand/collapse ───────────────────────────────────────── */
.details-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.details-toggle .chevron {
  transition: transform 0.2s ease;
  display: inline-block;
}

.details-toggle[aria-expanded="true"] .chevron {
  transform: rotate(180deg);
}

/* ── Skeleton loading ────────────────────────────────────────────────────── */
.skeleton {
  background: #374151;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
  animation: shimmer 1.4s infinite;
}

@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.skeleton-img   { height: 160px; margin-bottom: 12px; }
.skeleton-title { height: 20px; width: 70%; margin-bottom: 8px; }
.skeleton-line  { height: 14px; margin-bottom: 6px; }
.skeleton-line.short { width: 50%; }

/* ── Blog / markdown prose ───────────────────────────────────────────────── */
.prose-dark h1, .prose-dark h2, .prose-dark h3 {
  color: #f9fafb;
  font-weight: 700;
  margin-top: 1.75em;
  margin-bottom: 0.75em;
}

.prose-dark p {
  color: #d1d5db;
  line-height: 1.75;
  margin-bottom: 1em;
}

.prose-dark a { color: #60a5fa; text-decoration: underline; }

.prose-dark ul, .prose-dark ol {
  color: #d1d5db;
  padding-left: 1.5em;
  margin-bottom: 1em;
}

.prose-dark li { margin-bottom: 0.4em; }

.prose-dark code {
  background: #374151;
  color: #93c5fd;
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.875em;
}

.prose-dark pre {
  background: #1f2937;
  border: 1px solid #374151;
  border-radius: 8px;
  padding: 1em;
  overflow-x: auto;
  margin-bottom: 1em;
}

.prose-dark pre code { background: transparent; padding: 0; }

/* ═══════════════════════════════════════════════════════════════════════════
   LIGHT MODE OVERRIDES
   All Tailwind color classes are overridden when data-theme="light".
   ══════════════════════════════════════════════════════════════════════════ */

[data-theme="light"] body {
  background-color: #f8fafc;
  color: #0f172a;
}

/* Backgrounds */
[data-theme="light"] .bg-gray-900 { background-color: #f8fafc; }
[data-theme="light"] .bg-gray-800 { background-color: #f1f5f9; }
[data-theme="light"] .bg-gray-700 { background-color: #e2e8f0; }
[data-theme="light"] .bg-gray-600 { background-color: #cbd5e1; }

/* Text */
[data-theme="light"] .text-white  { color: #0f172a; }
[data-theme="light"] .text-gray-200 { color: #1e293b; }
[data-theme="light"] .text-gray-300 { color: #334155; }
[data-theme="light"] .text-gray-400 { color: #64748b; }
[data-theme="light"] .text-gray-500 { color: #94a3b8; }
[data-theme="light"] .text-gray-600 { color: #94a3b8; }

/* Borders */
[data-theme="light"] .border-gray-700 { border-color: #cbd5e1; }
[data-theme="light"] .border-gray-600 { border-color: #e2e8f0; }

/* Nav / footer */
[data-theme="light"] nav.bg-gray-800,
[data-theme="light"] footer.bg-gray-800 {
  background-color: #ffffff;
  border-color: #e2e8f0;
}

[data-theme="light"] nav.border-gray-700,
[data-theme="light"] footer.border-gray-700 {
  border-color: #e2e8f0;
}

/* Nav links */
[data-theme="light"] nav .text-gray-300 { color: #475569; }
[data-theme="light"] nav .text-white { color: #0f172a; }

/* Footer */
[data-theme="light"] footer .text-gray-400 { color: #64748b; }

/* Scrolled nav shadow */
[data-theme="light"] nav.scrolled {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

/* Mobile menu */
[data-theme="light"] #mobile-menu.bg-gray-800 { background-color: #ffffff; }
[data-theme="light"] #mobile-menu.border-gray-700 { border-color: #e2e8f0; }

/* Tags */
[data-theme="light"] .bg-gray-700.text-gray-300 {
  background-color: #e2e8f0;
  color: #334155;
}

/* Stat cards in About */
[data-theme="light"] .bg-gray-700.rounded-xl { background-color: #e2e8f0; }

/* Skills grid items */
[data-theme="light"] .bg-gray-700.hover\:bg-gray-600 {
  background-color: #e2e8f0;
}
[data-theme="light"] .bg-gray-700.hover\:bg-gray-600:hover {
  background-color: #cbd5e1;
}

/* Flip cards */
[data-theme="light"] .flip-card-front.bg-gray-800 { background-color: #f1f5f9; }
[data-theme="light"] .flip-card-back.bg-gray-800  { background-color: #f1f5f9; }

/* Project cards */
[data-theme="light"] .project-card.bg-gray-800 { background-color: #ffffff; }
[data-theme="light"] .project-card .bg-gray-700 { background-color: #e2e8f0; }

/* Select / filter */
[data-theme="light"] select {
  background-color: #ffffff;
  color: #0f172a;
  border-color: #cbd5e1;
}

/* Contact icon circles */
[data-theme="light"] .w-16.h-16.bg-gray-800 { background-color: #f1f5f9; }
[data-theme="light"] .w-16.h-16.bg-gray-800.group-hover\:bg-gray-700:hover {
  background-color: #e2e8f0;
}

/* Blue accent: keep as-is in light mode (already good contrast) */

/* Blog cards */
[data-theme="light"] .bg-gray-800.rounded-xl.border.border-gray-700 {
  background-color: #ffffff;
  border-color: #cbd5e1;
}

/* Prose (blog posts) */
[data-theme="light"] .prose-dark h1,
[data-theme="light"] .prose-dark h2,
[data-theme="light"] .prose-dark h3 { color: #0f172a; }

[data-theme="light"] .prose-dark p,
[data-theme="light"] .prose-dark ul,
[data-theme="light"] .prose-dark ol,
[data-theme="light"] .prose-dark li { color: #334155; }

[data-theme="light"] .prose-dark code { background: #e2e8f0; color: #1d4ed8; }
[data-theme="light"] .prose-dark pre { background: #f1f5f9; border-color: #e2e8f0; }

/* Profile photo border */
[data-theme="light"] .profile-photo { border-color: #e2e8f0; }

/* Blue links in light mode: slightly darker for contrast */
[data-theme="light"] .text-blue-400 { color: #2563eb; }