/* ─────────────── Code Overview ───────────────
       🎯 Purpose: 3D flip-card layout—front shows image; back shows text-only teaser + actions.
       🏗️ Layout: Responsive grid of flip tiles; each tile uses a checkbox to toggle flip.
       🎨 Theme: Editorial with rose accent; auto dark mode; soft elevation.
       ⚡ Interactivity: Flip via label buttons (keyboard-friendly). “Read More” opens <dialog>.
       ♿ A11y: Alt text; logical heading order; visible focus; aria-controls on toggles; dialogs labeled.
       🖨️ Print: Only the OPEN dialog prints; dialog flattened for clean PDF.
    ───────────────────────────────────────────── */

:root {
  --bg: #fff7fb;
  --ink: #daa520;
  --muted: #ffd700;
  --accent: #ffd700; /* rose-600 */
  --accent-ink: #fff5f7;
  --surface: #ffffff;
  --border: #e5e7eb;
  --radius: 18px;
  --shadow: 0 14px 32px rgba(0, 0, 0, 0.1);
  --maxw: 1100px;
  --gap: 1.25rem;
  --card-w: 340px;
  --card-h: 430px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #130f16;
    --ink: #f0e68c;
    --muted: #ffd700;
    --accent: #ffd700; /* rose-400 */
    --accent-ink: #130f16;
    --surface: #181320;
    --border: #2a2434;
    --shadow: 0 18px 36px rgba(0, 0, 0, 0.55);
  }
}

html,
body {
  margin: 0;
  padding: 0;
}
body {
  font-family: "Georgia", serif;
  background: radial-gradient(
      1200px 800px at 50% -20%,
      rgba(225, 29, 72, 0.08),
      transparent 60%
    )
    var(--bg);
  color: var(--ink);
  line-height: 1.72;
}

header {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem 1rem 1rem;
  border-bottom: 1px solid var(--border);
}
.mast h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.6rem);
  letter-spacing: 0.2px;
}
.dek {
  margin: 0.4rem 0 0;
  color: var(--muted);
}

/* ===== Grid of flip tiles ===== */
.grid {
  max-width: var(--maxw);
  margin: 1.25rem auto 2.5rem;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  place-items: center;
}
@media (max-width: 1024px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 720px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.tile {
  width: min(100%, var(--card-w));
  perspective: 1400px; /* enables 3D */
  position: relative;
}

/* Use a hidden checkbox to toggle flip (accessible + keyboardable) */
.flip-toggle {
  position: absolute;
  inset: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.flip {
  width: 100%;
  height: var(--card-h);
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.face {
  position: absolute;
  inset: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backface-visibility: hidden;
  overflow: clip;
  display: grid;
  grid-template-rows: auto 1fr auto;
}
.front:hover {
  transform: translateY(-2px);
}

.hero {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--border);
}
.pad {
  padding: 1rem 1rem 0.6rem;
}
.title {
  margin: 0.15rem 0 0.2rem;
  font-size: 1.35rem;
  color: var(--accent);
  line-height: 1.22;
}
.meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.excerpt {
  margin: 0.6rem 0 0;
}

/* ===== Back face: TEXT ONLY (no images) ===== */
.back {
  transform: rotateY(180deg);
  padding: 0; /* we manage padding via back-pad */
  grid-template-rows: 1fr auto; /* text content grows; actions at bottom */
}
.back-pad {
  padding: 1rem 1rem 0.2rem;
  overflow: auto;
}
.back .title {
  margin-top: 0;
}
.back .excerpt {
  color: var(--ink);
  margin-top: 0.4rem;
}
.hint {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}
.actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  padding: 0.8rem 1rem 1rem;
  background: linear-gradient(
    to top,
    color-mix(in oklab, var(--accent) 8%, transparent),
    transparent 60%
  );
  border-top: 1px dashed var(--border);
}

/* Flip states */
.flip-toggle:checked + .flip {
  transform: rotateY(180deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  line-height: 1;
  padding: 0.7rem 1.05rem;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.03);
  color: inherit;
}
@media (prefers-color-scheme: dark) {
  .btn {
    background: rgba(255, 255, 255, 0.06);
  }
}
.read-more {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: color-mix(in oklab, var(--accent) 65%, black);
  box-shadow: 0 10px 22px color-mix(in oklab, var(--accent) 25%, transparent);
  padding: 0.78rem 1.15rem; /* slightly larger for emphasis */
  letter-spacing: 0.2px;
}

.flip-btn {
  position: absolute;
  right: 0.7rem;
  top: 0.7rem;
  z-index: 3;
  background: color-mix(in oklab, var(--accent) 12%, var(--surface));
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  box-shadow: var(--shadow);
}
.flip-btn:focus-visible {
  outline: 3px solid color-mix(in oklab, var(--accent) 55%, transparent);
  outline-offset: 2px;
}
/* Change text when flipped using :has() as progressive enhancement */
.tile:has(.flip-toggle:checked) .flip-btn[data-front] {
  display: none;
}
.tile:not(:has(.flip-toggle:checked)) .flip-btn[data-back] {
  display: none;
}

/* Focus helper for links/buttons */
a,
button,
label {
  outline: none;
}
a:focus-visible,
button:focus-visible,
label:focus-visible {
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 55%, transparent),
    0 0 0 6px color-mix(in oklab, var(--accent) 25%, transparent);
  border-radius: 12px;
  transition: box-shadow 0.15s ease;
}

/* ===== Dialogs (full story) ===== */
dialog {
  width: 92%;
  max-width: 760px;
  border: none;
  border-radius: 18px;
  box-shadow: var(--shadow);
  background: var(--surface);
  color: var(--ink);
  padding: 2rem;
  position: relative;
  text-align: left;
}
dialog::backdrop {
  background: rgba(0, 0, 0, 0.55);
}
.close-btn {
  background: none;
  border: none;
  cursor: pointer;
  position: absolute;
  right: 1rem;
  top: 1rem;
  font-size: 1.25rem;
  color: var(--accent);
}
dialog img {
  width: 460px;
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 1rem;
  border-radius: 14px;
  border: 1px solid var(--border);
}
dialog h2 {
  margin: 0.25rem 0 0.8rem;
  line-height: 1.25;
}
dialog p {
  margin: 0 0 1rem;
}

/* ===== Print: only OPEN dialog ===== */
@media print {
  @page {
    margin: 16mm;
  }
  * {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  html,
  body {
    height: auto !important;
    overflow: visible !important;
  }

  body:has(dialog[open]) > :not(dialog[open]) {
    display: none !important;
  }
  dialog:not([open]) {
    display: none !important;
  }

  dialog[open] {
    display: block !important;
    position: static !important;
    inset: auto !important;
    transform: none !important;
    width: auto !important;
    max-width: none !important;
    height: auto !important;
    max-height: none !important;
    overflow: visible !important;
    box-shadow: none !important;
    padding: 0 !important;
    background: var(--surface) !important;
  }
  dialog[open]::backdrop {
    display: none !important;
  }

  .close-btn,
  .read-more {
    display: none !important;
  }
  h1,
  h2,
  img {
    break-inside: avoid;
    page-break-inside: avoid;
  }
  p,
  li {
    orphans: 3;
    widows: 3;
  }

  * {
    scrollbar-width: none !important;
  }
  *::-webkit-scrollbar {
    display: none !important;
  }
}