/* ==========================================================================
   Wall Content Module — worldclass, self-contained stylesheet
   Every rule is namespaced with a `wc-` class. Nothing here leaks into the
   rest of the admin/recruiter app, and nothing outside can restyle the module
   (fixes the historical "styling not rendering" caused by unscoped globals).
   ========================================================================== */

:root {
  /* Brand / neutral */
  --wc-bg: #f8fafc; --wc-surface: #ffffff; --wc-border: #e2e8f0;
  --wc-text: #0f172a; --wc-text-muted: #64748b;
  --wc-primary: #2563eb; --wc-primary-hover: #1d4ed8; --wc-primary-soft: #eff6ff;
  --wc-danger: #dc2626; --wc-danger-hover: #b91c1c; --wc-danger-soft: #fef2f2;
  --wc-success: #059669;
  --wc-focus: #3b82f6;
  /* Type accents */
  --wc-announcement: #2563eb; --wc-announcement-soft: #eff6ff;
  --wc-important: #dc2626;    --wc-important-soft: #fef2f2;
  --wc-guidelines: #059669;   --wc-guidelines-soft: #ecfdf5;
  /* Scale */
  --wc-radius: 12px; --wc-radius-sm: 8px;
  --wc-shadow: 0 1px 3px rgba(15,23,42,.08), 0 1px 2px rgba(15,23,42,.06);
  --wc-shadow-lg: 0 20px 40px -12px rgba(15,23,42,.25);
  --wc-space: 16px;
  --wc-font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* Contained box-sizing reset — prevents padding-driven overflow that cut
   content off, WITHOUT touching the rest of the page. */
.wc-cards,
.wc-add-form,
.wc-modal-overlay,
.wc-dialog-overlay,
.wc-toast-region,
.wc-cards *,
.wc-add-form *,
.wc-modal-overlay *,
.wc-dialog-overlay *,
.wc-toast-region * { box-sizing: border-box; }

/* ---------- Add-content form enhancements (counters) ---------------------- */
.wc-counter {
  display: block;
  font: 500 12px/1.4 var(--wc-font);
  color: var(--wc-text-muted);
  margin-top: 4px;
  text-align: right;
}
.wc-counter.wc-counter--over { color: var(--wc-danger); font-weight: 700; }

/* ---------- Card grid ----------------------------------------------------- */
.wc-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--wc-space);
  font-family: var(--wc-font);
  color: var(--wc-text);
  align-items: start;
}

.wc-card {
  position: relative;
  background: var(--wc-surface);
  border: 1px solid var(--wc-border);
  border-left: 4px solid var(--wc-card-accent, var(--wc-primary));
  border-radius: var(--wc-radius);
  box-shadow: var(--wc-shadow);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;                 /* allow children to clamp instead of stretch */
  transition: box-shadow .15s ease, transform .15s ease;
}
.wc-card:hover { box-shadow: var(--wc-shadow-lg); transform: translateY(-2px); }

.wc-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.wc-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font: 700 12px/1 var(--wc-font);
  letter-spacing: .02em;
  background: var(--wc-badge-soft, var(--wc-primary-soft));
  color: var(--wc-badge-fg, var(--wc-primary));
  white-space: nowrap;
}
.wc-badge__icon { font-size: 13px; line-height: 1; }

.wc-level {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 6px;
  font: 500 12px/1 var(--wc-font);
  background: #f1f5f9;
  color: var(--wc-text-muted);
  white-space: nowrap;
}

.wc-card__title {
  margin: 0;
  font: 600 16px/1.35 var(--wc-font);
  color: var(--wc-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;             /* 2-line clamp — never overflows the card */
  overflow-wrap: anywhere;
}

.wc-card__body {
  margin: 0;
  font: 400 14px/1.55 var(--wc-font);
  color: var(--wc-text);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;             /* 3-line clamp — the "content cut off" fix, intentional */
  overflow-wrap: anywhere;
}
.wc-card__body * { margin: 0; }  /* neutralize rich-content spacing inside the preview */

.wc-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--wc-border);
}
.wc-card__meta {
  font: 500 12px/1.4 var(--wc-font);
  color: var(--wc-text-muted);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.wc-card__actions { display: flex; gap: 6px; flex: 0 0 auto; }

/* ---------- Icon buttons -------------------------------------------------- */
.wc-iconbtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border: 1px solid var(--wc-border);
  border-radius: var(--wc-radius-sm);
  background: var(--wc-surface);
  color: var(--wc-text-muted);
  cursor: pointer;
  font-size: 15px;
  transition: background .12s ease, color .12s ease, border-color .12s ease;
}
.wc-iconbtn:hover { background: var(--wc-primary-soft); color: var(--wc-primary); border-color: var(--wc-primary); }
.wc-iconbtn--danger:hover { background: var(--wc-danger-soft); color: var(--wc-danger); border-color: var(--wc-danger); }

/* ---------- Type accent mapping (set on the card root) -------------------- */
.wc-card[data-type="announcement"] { --wc-card-accent: var(--wc-announcement); --wc-badge-soft: var(--wc-announcement-soft); --wc-badge-fg: var(--wc-announcement); }
.wc-card[data-type="important"]    { --wc-card-accent: var(--wc-important);    --wc-badge-soft: var(--wc-important-soft);    --wc-badge-fg: var(--wc-important); }
.wc-card[data-type="submission_guidelines"] { --wc-card-accent: var(--wc-guidelines); --wc-badge-soft: var(--wc-guidelines-soft); --wc-badge-fg: var(--wc-guidelines); }

/* ---------- Buttons (shared) ---------------------------------------------- */
.wc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font: 600 14px/1 var(--wc-font);
  cursor: pointer;
  transition: background .12s ease, color .12s ease, border-color .12s ease, box-shadow .12s ease;
}
.wc-btn:disabled { opacity: .6; cursor: not-allowed; }
.wc-btn--primary { background: var(--wc-primary); color: #fff; }
.wc-btn--primary:hover:not(:disabled) { background: var(--wc-primary-hover); }
.wc-btn--ghost { background: var(--wc-surface); color: var(--wc-text); border-color: var(--wc-border); }
.wc-btn--ghost:hover:not(:disabled) { background: #f1f5f9; }
.wc-btn--danger { background: var(--wc-danger); color: #fff; }
.wc-btn--danger:hover:not(:disabled) { background: var(--wc-danger-hover); }

/* ---------- Modal (edit) -------------------------------------------------- */
.wc-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15,23,42,.55);
  display: grid; place-items: center;
  padding: 24px;
  z-index: 1000;
  font-family: var(--wc-font);
  animation: wc-fade .12s ease;
}
.wc-modal {
  background: var(--wc-surface);
  border-radius: 16px;
  box-shadow: var(--wc-shadow-lg);
  width: min(560px, 100%);          /* responsive cap — never wider than viewport */
  max-height: min(85vh, 720px);     /* THE fix for the "oversized modal" bug */
  display: flex;
  flex-direction: column;
  overflow: hidden;                  /* only the body scrolls */
  color: var(--wc-text);
  animation: wc-pop .12s ease;
}
.wc-modal__header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--wc-border);
  flex: 0 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.wc-modal__title { margin: 0; font: 600 20px/1.3 var(--wc-font); }
.wc-modal__body { padding: 24px; overflow-y: auto; flex: 1 1 auto; }
.wc-modal__footer {
  padding: 16px 24px;
  border-top: 1px solid var(--wc-border);
  display: flex; justify-content: flex-end; gap: 12px;
  flex: 0 0 auto;
}
.wc-modal__close {
  background: none; border: none; cursor: pointer;
  font-size: 22px; line-height: 1; color: var(--wc-text-muted);
  width: 36px; height: 36px; border-radius: 8px;
}
.wc-modal__close:hover { background: #f1f5f9; color: var(--wc-text); }

/* ---------- Form fields inside form / modal ------------------------------ */
.wc-field { display: block; margin-bottom: 18px; }
.wc-field:last-child { margin-bottom: 0; }
.wc-label { display: block; font: 600 13px/1.4 var(--wc-font); margin-bottom: 6px; color: var(--wc-text); }
.wc-input, .wc-select, .wc-textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--wc-border);
  border-radius: 10px;
  font: 400 14px/1.5 var(--wc-font);
  color: var(--wc-text);
  background: var(--wc-surface);
}
.wc-textarea { min-height: 160px; resize: vertical; }
.wc-content-editor {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.6;
  min-height: 300px !important;
  white-space: pre-wrap;
  word-wrap: break-word;
  padding: 12px;
}
.wc-input:focus, .wc-select:focus, .wc-textarea:focus {
  outline: none;
  border-color: var(--wc-primary);
  box-shadow: 0 0 0 3px var(--wc-primary-soft);
}
.wc-input.wc-invalid, .wc-textarea.wc-invalid, .wc-select.wc-invalid { border-color: var(--wc-danger); }
.wc-field-error { display: block; margin-top: 6px; font: 500 12px/1.4 var(--wc-font); color: var(--wc-danger); }

/* Segmented type control (pills) */
.wc-segment { display: flex; gap: 8px; flex-wrap: wrap; }
.wc-segment__pill {
  flex: 1 1 auto;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--wc-border);
  border-radius: 10px;
  background: var(--wc-surface);
  color: var(--wc-text-muted);
  font: 600 13px/1 var(--wc-font);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  transition: background .12s ease, color .12s ease, border-color .12s ease;
}
.wc-segment__pill[aria-pressed="true"][data-type="announcement"] { background: var(--wc-announcement-soft); color: var(--wc-announcement); border-color: var(--wc-announcement); }
.wc-segment__pill[aria-pressed="true"][data-type="important"]    { background: var(--wc-important-soft); color: var(--wc-important); border-color: var(--wc-important); }
.wc-segment__pill[aria-pressed="true"][data-type="submission_guidelines"] { background: var(--wc-guidelines-soft); color: var(--wc-guidelines); border-color: var(--wc-guidelines); }

/* ---------- Delete confirmation dialog ------------------------------------ */
.wc-dialog-overlay {
  position: fixed; inset: 0;
  background: rgba(15,23,42,.55);
  display: grid; place-items: center;
  padding: 24px; z-index: 1100;
  font-family: var(--wc-font);
  animation: wc-fade .12s ease;
}
.wc-dialog {
  background: var(--wc-surface);
  border-radius: 16px;
  box-shadow: var(--wc-shadow-lg);
  width: min(420px, 100%);
  padding: 24px;
  text-align: center;
  color: var(--wc-text);
  animation: wc-pop .12s ease;
}
.wc-dialog__icon {
  width: 56px; height: 56px; margin: 0 auto 16px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--wc-danger-soft);
  font-size: 24px;
}
.wc-dialog__title { margin: 0 0 8px; font: 600 18px/1.3 var(--wc-font); }
.wc-dialog__text { margin: 0 0 4px; font: 400 14px/1.5 var(--wc-font); color: var(--wc-text); }
.wc-dialog__text strong { overflow-wrap: anywhere; }
.wc-dialog__sub { margin: 8px 0 0; font: 400 12px/1.5 var(--wc-font); color: var(--wc-text-muted); }
.wc-dialog__actions { display: flex; justify-content: center; gap: 12px; margin-top: 20px; }

/* ---------- Toasts -------------------------------------------------------- */
.wc-toast-region {
  position: fixed; top: 20px; right: 20px;
  z-index: 1200;
  display: flex; flex-direction: column; gap: 10px;
  pointer-events: none;
  font-family: var(--wc-font);
}
.wc-toast {
  pointer-events: auto;
  min-width: 240px; max-width: 360px;
  padding: 12px 16px;
  border-radius: 10px;
  box-shadow: var(--wc-shadow-lg);
  color: #fff;
  font: 500 14px/1.4 var(--wc-font);
  display: flex; align-items: center; gap: 8px;
  animation: wc-slide-in .18s ease;
}
.wc-toast--success { background: var(--wc-success); }
.wc-toast--error { background: var(--wc-danger); }

/* ---------- Loading: skeleton + spinner ----------------------------------- */
.wc-skeleton {
  background: var(--wc-surface);
  border: 1px solid var(--wc-border);
  border-radius: var(--wc-radius);
  padding: 20px;
  display: flex; flex-direction: column; gap: 12px;
}
.wc-skeleton__line {
  height: 12px; border-radius: 6px;
  background: linear-gradient(90deg, #eef2f7 25%, #e2e8f0 37%, #eef2f7 63%);
  background-size: 400% 100%;
  animation: wc-shimmer 1.2s ease-in-out infinite;
}
.wc-skeleton__line--title { height: 18px; width: 70%; }
.wc-skeleton__line--short { width: 40%; }

.wc-spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.5);
  border-top-color: #fff;
  border-radius: 50%;
  animation: wc-spin .6s linear infinite;
}
.wc-btn--ghost .wc-spinner { border-color: rgba(15,23,42,.25); border-top-color: var(--wc-text); }

/* ---------- Empty state --------------------------------------------------- */
.wc-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  color: var(--wc-text-muted);
  font-family: var(--wc-font);
}
.wc-empty__emoji { font-size: 40px; margin-bottom: 12px; }
.wc-empty__title { margin: 0 0 6px; font: 600 18px/1.3 var(--wc-font); color: var(--wc-text); }
.wc-empty__text { margin: 0 0 16px; font: 400 14px/1.5 var(--wc-font); }

/* ---------- Focus visibility (WCAG) --------------------------------------- */
.wc-btn:focus-visible,
.wc-iconbtn:focus-visible,
.wc-segment__pill:focus-visible,
.wc-modal__close:focus-visible,
.wc-input:focus-visible,
.wc-select:focus-visible,
.wc-textarea:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--wc-primary-soft);
}

/* ---------- Animations ---------------------------------------------------- */
@keyframes wc-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes wc-pop { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: scale(1); } }
@keyframes wc-slide-in { from { opacity: 0; transform: translateX(16px); } to { opacity: 1; transform: translateX(0); } }
@keyframes wc-shimmer { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }
@keyframes wc-spin { to { transform: rotate(360deg); } }

/* ---------- Responsive ---------------------------------------------------- */
@media (max-width: 900px) {
  .wc-cards { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
}
@media (max-width: 560px) {
  .wc-cards { grid-template-columns: 1fr; }
  .wc-modal-overlay, .wc-dialog-overlay { padding: 16px; }
  .wc-modal { max-height: 90vh; }
  .wc-toast-region { left: 16px; right: 16px; }
  .wc-toast { max-width: none; }
}

/* ---------- Reduced motion ------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  .wc-card, .wc-btn, .wc-iconbtn, .wc-modal-overlay, .wc-modal, .wc-dialog-overlay,
  .wc-dialog, .wc-toast, .wc-skeleton__line, .wc-spinner {
    animation: none !important;
    transition: none !important;
  }
  .wc-card:hover { transform: none; }
}

/* ---------- Wall Item Footer with Date/Time and Uploader Info ---------- */
.wall-item-footer {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid #e0e0e0;
  font-size: 0.85rem;
}

.wall-item-date {
  color: #666;
  font-weight: 500;
}

.wall-item-uploader {
  color: #999;
  font-size: 0.8rem;
  font-style: italic;
}