/* =============================================================================
   Article "Read more" modal — vasic.digital
   Standalone plain CSS. Link this after style.css.
   Reuses existing tokens (--bg-primary, --card-bg, --accent-primary, …)
   with safe fallbacks. Themed via :root[data-theme="dark|light"].
   ============================================================================= */

.vd-article-modal {
  --vda-scrim: rgba(0, 0, 0, 0.5);
  --vda-panel-bg: var(--card-bg, #ffffff);
  --vda-panel-fg: var(--text-primary, #212529);
  --vda-muted: var(--text-secondary, #6c757d);
  --vda-accent: var(--accent-primary, #dc3545);
  --vda-border: var(--border-color, #e9ecef);
  --vda-page-bg: var(--bg-secondary, #f8f9fa);
  --vda-shadow: var(--shadow-hover, 0 18px 50px -16px rgba(0, 0, 0, 0.35));
  --vda-font: inherit;

  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  padding: clamp(0px, 4vw, 48px);
  visibility: hidden;
  pointer-events: none;
}

:root[data-theme="dark"] .vd-article-modal { --vda-scrim: rgba(0, 0, 0, 0.7); }

.vd-article-modal[data-open="true"] {
  visibility: visible;
  pointer-events: auto;
}

/* ---- Scrim / backdrop ----------------------------------------------------- */
.vd-article-modal__scrim {
  position: absolute;
  inset: 0;
  background: var(--vda-scrim);
  -webkit-backdrop-filter: blur(6px) saturate(120%);
  backdrop-filter: blur(6px) saturate(120%);
  opacity: 0;
  transition: opacity 250ms ease;
}
.vd-article-modal[data-open="true"] .vd-article-modal__scrim { opacity: 1; }

/* ---- Panel ---------------------------------------------------------------- */
.vd-article-modal__panel {
  position: relative;
  width: min(760px, 100%);
  max-height: min(88vh, 920px);
  display: flex;
  flex-direction: column;
  background: var(--vda-panel-bg);
  color: var(--vda-panel-fg);
  border: 1px solid var(--vda-border);
  border-radius: 16px;
  box-shadow: var(--vda-shadow);
  overflow: hidden;
  opacity: 0;
  transform: translateY(18px) scale(.97);
  transition: opacity 250ms ease, transform 250ms cubic-bezier(.22, 1, .36, 1);
}
.vd-article-modal[data-open="true"] .vd-article-modal__panel {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.vd-article-modal__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--vda-accent), var(--accent-secondary, #ff6b6b));
}

/* ---- Close button --------------------------------------------------------- */
.vd-article-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--vda-border);
  border-radius: 10px;
  background: var(--vda-panel-bg);
  color: var(--vda-panel-fg);
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
  transition: border-color .2s, color .2s, transform .1s;
}
.vd-article-modal__close:hover { border-color: var(--vda-accent); color: var(--vda-accent); }
.vd-article-modal__close:active { transform: scale(.94); }
.vd-article-modal__close:focus-visible { outline: 2.5px solid var(--vda-accent); outline-offset: 2px; }

/* ---- Body / typography ---------------------------------------------------- */
.vd-article-modal__body {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: clamp(28px, 5vw, 48px) clamp(22px, 5vw, 44px);
  line-height: 1.7;
  font-size: 1.02rem;
}
.vd-article-modal__body :first-child { margin-top: 0; }
.vd-article-modal__body :last-child { margin-bottom: 0; }
.vd-article-modal__body h1,
.vd-article-modal__body h2,
.vd-article-modal__body h3 { line-height: 1.25; margin: 1.6em 0 .5em; }
.vd-article-modal__body h1 { font-size: 1.85rem; margin-top: 0; }
.vd-article-modal__body h2 { font-size: 1.4rem; }
.vd-article-modal__body h3 { font-size: 1.15rem; }
.vd-article-modal__body p { margin: 0 0 1.1em; }
.vd-article-modal__body a { color: var(--vda-accent); text-decoration: underline; text-underline-offset: 2px; }
.vd-article-modal__body img { max-width: 100%; height: auto; border-radius: 10px; }
.vd-article-modal__body pre {
  background: var(--vda-page-bg);
  border: 1px solid var(--vda-border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-size: .9rem;
}
.vd-article-modal__body blockquote {
  margin: 1.2em 0;
  padding: .2em 0 .2em 1.1em;
  border-left: 3px solid var(--vda-accent);
  color: var(--vda-muted);
}
.vd-article-modal__body ul,
.vd-article-modal__body ol { margin: 0 0 1.1em; padding-left: 1.4em; }

/* ---- Loading / error state ------------------------------------------------ */
.vd-article-modal__state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  min-height: 200px;
  padding: 2rem;
  color: var(--vda-muted);
  font-size: .92rem;
  text-align: center;
}
.vd-article-modal__spinner {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 3px solid var(--vda-border);
  border-top-color: var(--vda-accent);
  animation: vd-article-spin .8s linear infinite;
}
.vd-article-modal__state button {
  margin-top: .4rem;
  padding: .55rem 1.1rem;
  border: 1px solid var(--vda-border);
  border-radius: 10px;
  background: transparent;
  color: var(--vda-panel-fg);
  font-size: .85rem;
  cursor: pointer;
  transition: border-color .2s;
}
.vd-article-modal__state button:hover { border-color: var(--vda-accent); }

@keyframes vd-article-spin { to { transform: rotate(360deg); } }

/* ---- Scrollbar polish ----------------------------------------------------- */
.vd-article-modal__body::-webkit-scrollbar { width: 10px; }
.vd-article-modal__body::-webkit-scrollbar-thumb {
  background: var(--vda-border);
  border-radius: 8px;
  border: 2px solid var(--vda-panel-bg);
}

/* ---- Responsive drawer on small screens ----------------------------------- */
@media (max-width: 600px) {
  .vd-article-modal { place-items: end center; padding: 0; }
  .vd-article-modal__panel {
    width: 100%;
    max-height: 92vh;
    border-radius: 18px 18px 0 0;
    transform: translateY(100%);
  }
  .vd-article-modal[data-open="true"] .vd-article-modal__panel { transform: translateY(0); }
}

/* ---- Reduced motion ------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .vd-article-modal__scrim,
  .vd-article-modal__panel {
    transition: opacity 120ms linear;
    transform: none !important;
  }
  .vd-article-modal__spinner { animation-duration: 1.6s; }
}

/* ---- Body scroll lock helper (toggled by JS) ------------------------------ */
body.vd-article-lock { overflow: hidden; }

/* Injected article (read-more) content typography */
.hx-article { line-height:1.7; }
.hx-article-head { border-bottom:1px solid var(--border-color,#2a2a35); padding-bottom:.75rem; margin-bottom:1.25rem; }
.hx-article-head h1 { margin:0 0 .35rem; font-size:clamp(1.5rem,4vw,2rem); }
.hx-article-tech { font-family:monospace; font-size:.8rem; opacity:.7; margin:.2rem 0; }
.hx-article-repo a { color:var(--accent-primary,#dc3545); }
.hx-article h2 { margin:1.5rem 0 .5rem; font-size:1.15rem; }
.hx-article p { margin:0 0 1rem; }