/* ==========================================================
   ASST Student Portal — Frontend Styles
   Modern University Portal — RTL/LTR Ready
   ========================================================== */

/* ── Variables ─────────────────────────────────────────── */
.asst-portal {
  --asst-primary:    #0B1F3A;
  --asst-secondary:  #C9A227;
  --asst-accent:     #2563eb;
  --asst-white:      #ffffff;
  --asst-gray-50:    #f8fafc;
  --asst-gray-100:   #f1f5f9;
  --asst-gray-200:   #e2e8f0;
  --asst-gray-600:   #475569;
  --asst-gray-800:   #1e293b;
  --asst-text:       #1e293b;
  --asst-muted:      #64748b;
  --asst-radius-sm:  8px;
  --asst-radius-md:  14px;
  --asst-radius-lg:  20px;
  --asst-shadow-sm:  0 1px 3px rgba(0,0,0,.07), 0 4px 12px rgba(0,0,0,.05);
  --asst-shadow-md:  0 4px 16px rgba(0,0,0,.1), 0 10px 40px rgba(0,0,0,.07);
  --asst-shadow-lg:  0 20px 60px rgba(0,0,0,.12);
  --asst-font:       'Cairo', 'Tajawal', -apple-system, BlinkMacSystemFont, sans-serif;
  --asst-transition: .28s cubic-bezier(.4, 0, .2, 1);
  font-family: var(--asst-font);
  color: var(--asst-text);
  direction: ltr;
}

/* ── RTL ─────────────────────────────────────────────────── */
.asst-portal.asst-rtl,
[dir="rtl"] .asst-portal {
  direction: rtl;
  text-align: right;
}

/* ── Reset ───────────────────────────────────────────────── */
.asst-portal *, .asst-portal *::before, .asst-portal *::after { box-sizing: border-box; }
.asst-portal h1,.asst-portal h2,.asst-portal h3,.asst-portal h4 { margin: 0; line-height: 1.3; }
.asst-portal p { margin: 0; }
.asst-portal a { text-decoration: none; }
.asst-portal img { display: block; }
.asst-portal button { font-family: var(--asst-font); cursor: pointer; }

/* ── Portal Header ───────────────────────────────────────── */
.asst-portal-header {
  background: linear-gradient(135deg, var(--asst-primary) 0%, #0f2550 100%);
  color: #fff;
  border-radius: var(--asst-radius-lg);
  padding: 48px 40px;
  margin-bottom: 36px;
  position: relative;
  overflow: hidden;
}
.asst-portal-header::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='20'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.asst-portal-header-inner { display: flex; align-items: center; gap: 24px; position: relative; z-index: 1; }
.asst-portal-logo { width: 72px; height: 72px; border-radius: 50%; border: 3px solid rgba(255,255,255,.3); object-fit: contain; flex-shrink: 0; background: rgba(255,255,255,.1); }
.asst-portal-title { font-size: clamp(22px, 4vw, 34px); font-weight: 800; color: #fff; text-shadow: 0 2px 8px rgba(0,0,0,.15); }
.asst-portal-desc  { font-size: 15px; color: rgba(255,255,255,.8); margin-top: 6px; line-height: 1.6; }

.asst-section-header { margin-bottom: 28px; }
.asst-section-header-title { font-size: 26px; font-weight: 800; color: var(--asst-primary); margin-bottom: 6px; }
.asst-section-header-desc { font-size: 15px; color: var(--asst-muted); line-height: 1.6; }

/* ── Sections Grid ───────────────────────────────────────── */
.asst-sections-grid {
  display: grid;
  gap: 24px;
  margin-bottom: 40px;
}
.asst-grid-2 { grid-template-columns: repeat(2, 1fr); }
.asst-grid-3 { grid-template-columns: repeat(3, 1fr); }
.asst-grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1100px) {
  .asst-grid-4 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 850px) {
  .asst-grid-3, .asst-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .asst-grid-2, .asst-grid-3, .asst-grid-4 { grid-template-columns: 1fr; }
}

/* ── Section Card ────────────────────────────────────────── */
.asst-section-card {
  background: var(--asst-white);
  border-radius: var(--asst-radius-md);
  box-shadow: var(--asst-shadow-sm);
  overflow: hidden;
  border: 1px solid var(--asst-gray-200);
  transition: transform var(--asst-transition), box-shadow var(--asst-transition);
  cursor: pointer;
}
.asst-section-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--asst-shadow-md);
}
.asst-section-card-inner { height: 100%; display: flex; flex-direction: column; }

.asst-section-cover {
  position: relative;
  height: 160px;
  background: linear-gradient(135deg, var(--asst-primary), #2563eb);
  overflow: hidden;
  flex-shrink: 0;
}
.asst-cover-img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease;
}
.asst-section-card:hover .asst-cover-img { transform: scale(1.06); }

.asst-cover-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--asst-primary) 0%, #1e4fb5 50%, #2563eb 100%);
}
.asst-cover-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,25,60,.55) 0%, transparent 60%);
}
.asst-section-icon-img {
  position: absolute; bottom: 14px; inset-inline-start: 16px;
  width: 44px; height: 44px; border-radius: 10px;
  border: 2.5px solid rgba(255,255,255,.4); object-fit: contain;
  background: rgba(255,255,255,.15); backdrop-filter: blur(6px);
}
.asst-section-icon-placeholder {
  position: absolute; bottom: 14px; inset-inline-start: 16px;
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(255,255,255,.18); display: flex; align-items: center; justify-content: center;
  border: 2px solid rgba(255,255,255,.3);
}
.asst-section-icon-placeholder svg { width: 24px; height: 24px; color: rgba(255,255,255,.9); }

.asst-section-body { padding: 18px 20px; flex: 1; display: flex; flex-direction: column; }
.asst-section-title { font-size: 16px; font-weight: 700; color: var(--asst-text); margin-bottom: 6px; }
.asst-section-desc  { font-size: 13px; color: var(--asst-muted); line-height: 1.6; flex: 1; }
.asst-section-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--asst-gray-100);
}
.asst-item-count { font-size: 12px; color: var(--asst-muted); }
.asst-item-count strong { color: var(--asst-primary); font-weight: 700; }

.asst-btn-explore {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: var(--asst-radius-sm);
  background: var(--asst-secondary); color: var(--asst-primary);
  font-size: 13px; font-weight: 700; border: none;
  transition: all var(--asst-transition);
}
.asst-btn-explore:hover {
  background: var(--asst-primary); color: #fff;
  transform: translateX(3px);
}
.asst-rtl .asst-btn-explore:hover { transform: translateX(-3px); }
.asst-arrow-icon { width: 16px; height: 16px; flex-shrink: 0; }

/* ── Section Panel (slide-in) ────────────────────────────── */
.asst-section-panel {
  position: fixed;
  inset: 0;
  z-index: 99990;
  display: flex;
  align-items: stretch;
}
.asst-section-panel.asst-hidden { display: none; }

.asst-panel-backdrop {
  position: absolute; inset: 0;
  background: rgba(10,25,60,.55);
  backdrop-filter: blur(4px);
  animation: asstFadeIn .3s ease;
}
.asst-panel-inner {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin-inline-start: auto;
  background: var(--asst-gray-50);
  overflow-y: auto;
  padding: 0;
  animation: asstSlideIn .35s cubic-bezier(.4,0,.2,1);
  box-shadow: var(--asst-shadow-lg);
  display: flex;
  flex-direction: column;
}

@keyframes asstFadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes asstSlideIn { from { transform: translateX(60px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.asst-rtl .asst-panel-inner { margin-inline-start: 0; margin-inline-end: auto; animation-name: asstSlideInRTL; }
@keyframes asstSlideInRTL { from { transform: translateX(-60px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

.asst-panel-header {
  background: var(--asst-white);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--asst-gray-200);
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.asst-panel-back {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: var(--asst-radius-sm);
  background: var(--asst-gray-100); color: var(--asst-text);
  font-size: 13px; font-weight: 600; border: none; transition: all .2s;
  flex-shrink: 0;
}
.asst-panel-back svg { width: 18px; height: 18px; }
.asst-panel-back:hover { background: var(--asst-primary); color: #fff; }
.asst-panel-title { font-size: 18px; font-weight: 800; color: var(--asst-primary); }

/* ── Controls (Search + Filter) ──────────────────────────── */
.asst-controls {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 16px 28px; background: var(--asst-white);
  border-bottom: 1px solid var(--asst-gray-200);
}
.asst-search-wrap {
  flex: 1; min-width: 200px;
  position: relative;
}
.asst-search-icon {
  position: absolute; inset-inline-start: 12px; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; color: var(--asst-muted); pointer-events: none;
}
.asst-search-input {
  width: 100%; padding: 10px 12px 10px 40px;
  border: 1.5px solid var(--asst-gray-200); border-radius: var(--asst-radius-sm);
  font-size: 14px; color: var(--asst-text); background: var(--asst-gray-50);
  font-family: var(--asst-font); outline: none; transition: all .2s;
}
.asst-rtl .asst-search-input { padding-inline-start: 40px; padding-inline-end: 12px; }
.asst-search-input:focus { border-color: var(--asst-accent); background: #fff; box-shadow: 0 0 0 3px rgba(37,99,235,.1); }

.asst-filter-wrap { display: flex; gap: 10px; flex-wrap: wrap; }
.asst-filter-select {
  padding: 9px 34px 9px 12px; border: 1.5px solid var(--asst-gray-200);
  border-radius: var(--asst-radius-sm); font-size: 13px; color: var(--asst-text);
  background: var(--asst-gray-50); font-family: var(--asst-font); outline: none;
  appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
  cursor: pointer; transition: border-color .2s;
}
.asst-filter-select:focus { border-color: var(--asst-accent); }

/* ── Items Grid ───────────────────────────────────────────── */
.asst-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  grid-auto-rows: max-content;
  align-items: start;
  gap: 18px;
  padding: 24px 28px;
}
@media (max-width: 600px) {.asst-items-grid { grid-template-columns: 1fr; padding: 16px; } }

/* ── Item Card ────────────────────────────────────────────── */
.asst-item-card {
  background: var(--asst-white);
  border: 1px solid var(--asst-gray-200);
  border-radius: var(--asst-radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-self: start;
  height: auto;
  min-height: 0;
  box-shadow: var(--asst-shadow-sm);
  transition: transform var(--asst-transition), box-shadow var(--asst-transition), border-color var(--asst-transition);
}
.asst-item-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--asst-shadow-md);
  border-color: var(--asst-primary);
}

.asst-item-card-icon {
  width: 48px; height: 48px;
  border-radius: var(--asst-radius-sm);
  display: flex; align-items: center; justify-content: center;
  background: var(--asst-secondary);
  flex-shrink: 0;
}
.asst-item-card-icon svg { width: 26px; height: 26px; color: var(--asst-primary); stroke-width: 1.5; }
.asst-item-type-pdf   .asst-item-card-icon { background: #fee2e2; }
.asst-item-type-pdf   .asst-item-card-icon svg { color: #dc2626; }
.asst-item-type-file  .asst-item-card-icon { background: #f3e8ff; }
.asst-item-type-file  .asst-item-card-icon svg { color: #7c3aed; }
.asst-item-type-image .asst-item-card-icon { background: #dcfce7; }
.asst-item-type-image .asst-item-card-icon svg { color: #15803d; }
.asst-item-type-video .asst-item-card-icon { background: #fef3c7; }
.asst-item-type-video .asst-item-card-icon svg { color: #b45309; }

.asst-item-card-body { flex: 0 0 auto; display: flex; flex-direction: column; gap: 8px; }
.asst-item-title { font-size: 15px; font-weight: 700; color: var(--asst-text); line-height: 1.4; }
.asst-item-desc  { font-size: 13px; color: #475569; line-height: 1.7; margin: 0; }

.asst-item-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.asst-meta-tag {
  font-size: 12px; font-weight: 700; padding: 5px 10px; border-radius: 999px;
  background: #eef2ff; color: #1e3a8a; border: 1px solid #dbe4ff;
}
.asst-meta-date {
  background: #fff7ed; color: #92400e; border-color: #fed7aa;
}
.asst-meta-department {
  background: #eff6ff; color: #1d4ed8; border-color: #bfdbfe;
}
.asst-meta-stage {
  background: #f5f3ff; color: #6d28d9; border-color: #ddd6fe;
}

.asst-item-card-footer {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding-top: 12px; border-top: 1px solid var(--asst-gray-100);
  margin-top: 4px;
}
.asst-item-stats { display: flex; gap: 10px; }
.asst-item-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.asst-stat-mini {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11px; color: var(--asst-muted);
}
.asst-stat-mini svg { width: 14px; height: 14px; }

.asst-item-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--asst-radius-sm);
  background: var(--asst-primary); color: #fff;
  font-size: 13px; font-weight: 700; border: none;
  transition: all var(--asst-transition);
  font-family: var(--asst-font);
}
.asst-item-btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.asst-item-btn:hover { background: #0f2550; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(26,58,107,.3); }
.asst-btn-view { background: linear-gradient(135deg, var(--asst-primary), #1d4ed8); }
.asst-btn-view:hover { background: linear-gradient(135deg, #0f2550, var(--asst-primary)); }
.asst-btn-download { background: linear-gradient(135deg, #7c3aed, #9333ea); }
.asst-btn-download:hover { background: linear-gradient(135deg, #6d28d9, #7e22ce); }
.asst-btn-disabled { background: var(--asst-gray-200); color: var(--asst-muted); cursor: not-allowed; display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: var(--asst-radius-sm); font-size: 13px; }

/* ── Loading ───────────────────────────────────────────────── */
.asst-loading {
  grid-column: 1/-1; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 60px 20px; gap: 16px;
}
.asst-spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--asst-gray-200);
  border-top-color: var(--asst-primary);
  border-radius: 50%;
  animation: asstSpin .8s linear infinite;
}
@keyframes asstSpin { to { transform: rotate(360deg); } }
.asst-loading p { font-size: 14px; color: var(--asst-muted); }

/* ── Empty States ─────────────────────────────────────────── */
.asst-empty-state, .asst-empty-portal {
  text-align: center; padding: 80px 24px;
}
.asst-empty-icon { font-size: 52px; margin-bottom: 16px; display: block; }
.asst-empty-state h3 { font-size: 18px; font-weight: 700; color: var(--asst-text); margin-bottom: 8px; }
.asst-empty-state p, .asst-empty-portal p { font-size: 14px; color: var(--asst-muted); }
.asst-empty-items {
  grid-column: 1 / -1; text-align: center; padding: 60px 24px;
}
.asst-empty-items-icon { font-size: 44px; margin-bottom: 12px; }
.asst-empty-items p { font-size: 15px; color: var(--asst-muted); }
.asst-no-results { grid-column: 1/-1; text-align: center; padding: 48px; color: var(--asst-muted); font-size: 15px; }

/* ── Pagination ───────────────────────────────────────────── */
.asst-pagination {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 20px 28px; border-top: 1px solid var(--asst-gray-200);
}
.asst-pagination.asst-hidden { display: none; }
.asst-page-btn {
  min-width: 38px; height: 38px; padding: 0 10px;
  border-radius: var(--asst-radius-sm); border: 1.5px solid var(--asst-gray-200);
  background: #fff; color: var(--asst-text); font-size: 13px;
  font-weight: 600; cursor: pointer; transition: all .2s; display: flex;
  align-items: center; justify-content: center; font-family: var(--asst-font);
}
.asst-page-btn:hover { background: var(--asst-primary); color: #fff; border-color: var(--asst-primary); }
.asst-page-btn.active { background: var(--asst-primary); color: #fff; border-color: var(--asst-primary); }
.asst-page-btn:disabled { opacity: .45; cursor: not-allowed; }

/* ── Animations ───────────────────────────────────────────── */
.asst-animated .asst-fade-in {
  opacity: 0;
  animation: asstFadeUp .5s ease forwards;
}
@keyframes asstFadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Utility ──────────────────────────────────────────────── */
.asst-hidden { display: none !important; }


/* Full item descriptions - no clipping */
.asst-item-desc,
.asst-item-desc p {
  display: block !important;
  overflow: visible !important;
  text-overflow: initial !important;
  -webkit-line-clamp: unset !important;
  line-clamp: unset !important;
  -webkit-box-orient: initial !important;
  max-height: none !important;
  white-space: normal !important;
}
.asst-item-desc p {
  margin: 0 0 8px;
}
.asst-item-desc p:last-child {
  margin-bottom: 0;
}