/* --- تعریف متغیرهای رنگی برای حالت شب (پیشفرض) --- */
:root {
  --bg-main: #020617;
  --bg-secondary: #0f172a;
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  
  --accent-color: #3b82f6; /* آبی مدرن */
  --accent-light: rgba(59, 130, 246, 0.15);
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;

  --glass-bg: rgba(15, 23, 42, 0.65);
  --glass-heavy-bg: rgba(15, 23, 42, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  
  /* slightly more compact header/nav for better content visibility */
  --nav-height: 60px;
  --header-height: 54px;
  --border-radius-lg: 24px;
  --border-radius-md: 16px;
  
  --font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, sans-serif;
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-accent: 0 10px 25px -5px rgba(59, 130, 246, 0.4);
  --soft-text-shadow: 0 2px 10px rgba(0,0,0,0.35);
}

/* --- متغیرهای حالت روز (Light Mode) --- */
body.light-theme {
  --bg-main: #f8fafc;
  --bg-secondary: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #64748b;

  --accent-color: #2563eb; /* آبی کمی تیره‌تر برای کنتراست */
  --accent-light: rgba(37, 99, 235, 0.1);

  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-heavy-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.06);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --soft-text-shadow: 0 1px 8px rgba(0,0,0,0.14);
}

/* --- تنظیمات پایه --- */
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: none; }
html, body { margin: 0; padding: 0; height: 100%; font-family: var(--font-family); background-color: var(--bg-main); color: var(--text-primary); overflow: hidden; transition: background-color 0.3s ease, color 0.3s ease; }

/* --- پس‌زمینه و افکت‌ها --- */
.bg-gradient { position: fixed; inset: -50%; background: radial-gradient(circle at top right, var(--accent-light), transparent 60%), radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.05), transparent 60%); z-index: -2; opacity: 0.7; }
.bg-pattern { position: fixed; inset: 0; background-image: 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='%239C92AC' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); z-index: -1; pointer-events: none; }

.glass { backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); background-color: var(--glass-bg); border: 1px solid var(--glass-border); }
.glass-heavy { backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); background-color: var(--glass-heavy-bg); border: 1px solid var(--glass-border); }

/* --- لایه‌بندی اصلی --- */
#app-container { height: 100%; display: flex; flex-direction: column; }
#main-scroll-area { flex: 1; overflow-y: auto; overflow-x: hidden; scroll-behavior: smooth; padding-bottom: calc(var(--nav-height) + 20px); }

/* --- هدر --- */
.header {
  height: var(--header-height); display: flex; justify-content: space-between; align-items: center; padding: 0 14px;
  position: sticky; top: 0; z-index: 50; border-bottom-left-radius: var(--border-radius-lg); border-bottom-right-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}
.user-info { display: flex; gap: 12px; align-items: center; }
.user-info{ cursor: pointer; user-select: none; }
.avatar-box { width: 38px; height: 38px; border-radius: 50%; position: relative; overflow: hidden; border: 2px solid var(--accent-color); }
.avatar-box img { width: 100%; height: 100%; object-fit: cover; }
.texts{ display:flex; flex-direction:column; justify-content:center; gap: 2px; min-width: 0; }
.texts h1 { margin: 0; font-size: 0.98rem; font-weight: 800; line-height: 1.1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.status-badge { font-size: 0.72rem; padding: 4px 10px; border-radius: 999px; margin-top: 4px; display: inline-flex; align-items:center; justify-content:center; font-weight: 800; line-height: 1; max-width: 140px; }
.status-badge.free { background: rgba(148, 163, 184, 0.15); color: var(--text-secondary); }
.status-badge.premium {
  background: rgba(234, 179, 8, 0.22);
  border: 1px solid rgba(234, 179, 8, 0.32);
  color: #fbbf24;
  box-shadow: 0 0 12px rgba(234, 179, 8, 0.18);
}

.icon-btn { background: none; border: none; color: var(--text-primary); cursor: pointer; padding: 8px; border-radius: 12px; display: flex; align-items: center; justify-content: center; transition: all 0.2s; }
.glass-btn { background: var(--glass-border); }
.icon-btn:active { transform: scale(0.92); }

/* header actions: search next to theme toggle */
.header-actions{
  display:flex;
  align-items:center;
  gap: 4px;
  min-width: 0;
}

/* search as an icon; input appears on demand */
.search-panel{
  display: flex;
  align-items: center;
  height: 36px;
  padding: 0;
  border-radius: 14px;
  max-width: 0;
  width: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  transition: max-width .22s ease, opacity .18s ease;
}
.search-panel.open{
  max-width: 210px;
  width: auto;
  opacity: 1;
  pointer-events: auto;
  padding: 0 10px;
}
.search-panel input{
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 0.82rem;
  width: 200px;
  outline: none;
}
@media (max-width: 420px){
  .texts h1{ font-size: 0.95rem; }
  .search-panel.open{ max-width: 170px; }
  .search-panel input{ width: 160px; }
}

/* --- Profile modal --- */
.profile-modal .modal-body{ padding: 22px; }
.profile-header{ display:flex; align-items:center; gap: 14px; margin-bottom: 18px; }
.profile-avatar{ width: 62px; height: 62px; border-radius: 18px; overflow:hidden; border: 2px solid var(--glass-border); }
.profile-avatar img{ width: 100%; height: 100%; object-fit: cover; }
.profile-title{ margin: 0; font-size: 1.15rem; font-weight: 800; }
.profile-sub{ color: var(--text-secondary); margin-top: 4px; font-size: 0.85rem; }
.profile-grid{ display:grid; grid-template-columns: 1fr; gap: 10px; }
.profile-item{ display:flex; justify-content:space-between; align-items:center; padding: 12px 14px; border-radius: 16px; border: 1px solid var(--glass-border); background: var(--glass-bg); }
.profile-item .k{ color: var(--text-secondary); font-size: 0.82rem; }
.profile-item .v{ font-weight: 700; font-size: 0.9rem; }
.chip-row{ display:flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip{ padding: 6px 10px; border-radius: 999px; border: 1px solid var(--glass-border); background: rgba(148,163,184,0.10); font-size: 0.78rem; }

/* --- جستجو --- */
/* search moved to header; keep shared styles for .search-box */
.search-box { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--border-radius-lg); transition: all 0.3s ease; }
.search-box:focus-within { border-color: var(--accent-color); box-shadow: 0 0 0 3px var(--accent-light); }
.search-box input { background: none; border: none; color: var(--text-primary); width: 100%; font-family: var(--font-family); font-size: 0.9rem; }
.search-box input::placeholder { color: var(--text-secondary); opacity: 0.7; }
.search-icon { color: var(--text-secondary); }

/* --- محتوا و کارت‌ها --- */
.content-padding { padding: 14px 14px; }
.grid { display: grid; grid-template-columns: 1fr; gap: 24px; }

.pkg-card {
  background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--border-radius-lg);
  overflow: hidden; position: relative; transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.pkg-card:active { transform: scale(0.97); }
.card-image-container { position: relative; width: 100%; aspect-ratio: 2 / 1; overflow: hidden; background: var(--bg-secondary); }
.pkg-cover { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.pkg-card:hover .pkg-cover { transform: scale(1.05); }

/* دکمه ذخیره روی کارت */
.card-bookmark-btn {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  background: rgba(0,0,0,0.4) !important; color: #fff !important;
  backdrop-filter: blur(4px); width: 36px; height: 36px; border-radius: 50%;
}
.card-bookmark-btn svg { fill: none; transition: fill 0.3s ease; }
.card-bookmark-btn.saved svg { fill: var(--accent-color); color: var(--accent-color); }

.pkg-info { padding: 12px 12px 10px; position: relative; }
.pkg-title { margin: 0 0 8px; font-size: 0.95rem; line-height: 1.45; text-shadow: var(--soft-text-shadow); }
.pkg-footer { display: flex; justify-content: space-between; align-items: center; font-size: 0.76rem; color: var(--text-secondary); }
.pkg-footer span{ text-shadow: var(--soft-text-shadow); }

/* smaller, centered access badge (no icon) */
.access-tag { display: inline-flex; align-items: center; justify-content: center; padding: 3px 9px; border-radius: 999px; background: rgba(255,255,255,0.04); font-weight: 700; font-size: 0.72rem; line-height: 1; }
.access-tag.locked { color: var(--danger-color); }
.access-tag.unlocked { color: var(--success-color); }
.access-tag.vip { color: var(--accent-color); }

/* --- نوار ناوبری پایین (جدید) --- */
.bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0; height: var(--nav-height);
  display: flex; justify-content: space-around; align-items: center;
  z-index: 100; border-top-left-radius: 24px; border-top-right-radius: 24px;
  box-shadow: 0 -5px 18px rgba(0,0,0,0.06);
  padding-bottom: env(safe-area-inset-bottom);
}
.nav-item {
  background: none; border: none; padding: 5px 12px; color: var(--text-secondary);
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  cursor: pointer; position: relative; transition: all 0.3s ease;
}
.nav-icon { position: relative; padding: 5px; border-radius: 14px; transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1); }
.nav-label { font-size: 0.72rem; font-weight: 500; transition: all 0.3s ease; font-family: var(--font-family); opacity: 0.7; }

/* حالت فعال نوار پایین */
.nav-item.active .nav-icon {
  background-color: var(--accent-light); color: var(--accent-color); transform: translateY(-3px);
  box-shadow: 0 5px 15px var(--accent-light);
}
.nav-item.active .nav-label { color: var(--accent-color); opacity: 1; }

/* --- مودال (Bottom Sheet) --- */
.modal { position: fixed; inset: 0; z-index: 150; visibility: hidden; transition: visibility 0.4s; }
.modal.visible { visibility: visible; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.5); backdrop-filter: blur(6px); opacity: 0; transition: opacity 0.4s; }
.modal.visible .modal-backdrop { opacity: 1; }

.modal-content {
  position: absolute; bottom: 0; left: 0; right: 0; height: 85vh; max-height: 85vh;
  border-radius: 32px 32px 0 0; display: flex; flex-direction: column;
  transform: translateY(101%); transition: transform 0.4s cubic-bezier(0.33, 1, 0.68, 1);
  box-shadow: 0 -10px 30px rgba(0,0,0,0.2);
}
.modal.visible .modal-content { transform: translateY(0); }

.modal-handle-bar { width: 48px; height: 4px; background: var(--text-secondary); opacity: 0.3; border-radius: 10px; margin: 12px auto 5px; }
.modal-header-controls { position: absolute; left: 20px; top: 20px; z-index: 2; }
.close-btn { background: rgba(0,0,0,0.1); color: var(--text-primary); }
.light-theme .close-btn { background: rgba(255,255,255,0.5); color: #000; }

.modal-body { flex: 1; overflow-y: auto; padding: 25px; scrollbar-width: none; -webkit-overflow-scrolling: touch;}
.modal-body::-webkit-scrollbar { display: none; }

/* --- استایل‌های محتوای مودال --- */
.modal-cover { width: 100%; border-radius: 20px; aspect-ratio: 16/9; object-fit: cover; margin-bottom: 20px; box-shadow: var(--shadow-sm); }
.modal-title { font-size: 1.4rem; margin: 0 0 10px; }
.meta-row{ display:flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 12px; }
.meta-pill{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 6px 10px;
  border: 1px solid rgba(148,163,184,0.18);
  background: rgba(148,163,184,0.12);
  color: var(--text-secondary);
  font-size: .78rem;
  line-height: 1;
}
.meta-pill .meta-icon{ display:inline-flex; opacity: .9; }
.modal-desc { color: var(--text-secondary); line-height: 1.6; margin-bottom: 30px; }

/* --- پروفایل --- */
.profile-modal .modal-body{ padding-top: 18px; }
.profile-head{
  display:flex; align-items:center; gap: 14px; margin-bottom: 14px;
}
.profile-avatar{
  width: 58px; height: 58px; border-radius: 50%; overflow: hidden;
  border: 2px solid var(--accent-color); background: var(--bg-secondary);
  flex: 0 0 auto;
}
.profile-avatar img{ width:100%; height:100%; object-fit: cover; }
.profile-name{ font-size: 1.15rem; font-weight: 800; margin:0; }
.profile-sub{ color: var(--text-secondary); font-size: .85rem; margin-top: 4px; }
.profile-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 10px;
  margin-top: 14px;
}
.profile-item{
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 12px;
}
.profile-item .k{ color: var(--text-secondary); font-size: .75rem; }
.profile-item .v{ margin-top: 6px; font-weight: 700; font-size: .9rem; }
.chips{ display:flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip{
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.12);
  border: 1px solid rgba(148, 163, 184, 0.18);
  font-size: .78rem;
  color: var(--text-primary);
}
.chip.accent{ background: var(--accent-light); border-color: var(--accent-color); color: var(--accent-color); }
@media (max-width: 420px){
  .profile-grid{ grid-template-columns: 1fr; }
}

.chapter-list { display: flex; flex-direction: column; gap: 12px; }
.part-item {
  display: flex; justify-content: space-between; align-items: center; padding: 14px 18px;
  background: var(--glass-border); border-radius: 16px; border: 1px solid transparent; transition: all 0.2s;
}
.part-item.unlocked { background: var(--accent-light); border-color: var(--accent-light); }
.part-info { display: flex; align-items: center; gap: 12px; font-weight: 500; }
.part-btn { background: var(--accent-color); color: #fff; border: none; padding: 8px 16px; border-radius: 10px; font-family: var(--font-family); font-size: 0.85rem; }
.part-btn.locked-btn { background: var(--glass-border); color: var(--text-secondary); }

/* --- یوتیلیتی‌ها --- */
.hidden { display: none !important; }
.shimmer { animation: shimmer 1.5s infinite linear; background: linear-gradient(to right, var(--bg-secondary) 4%, var(--glass-border) 25%, var(--bg-secondary) 36%); background-size: 1000px 100%; }
@keyframes shimmer { 0% { background-position: -1000px 0; } 100% { background-position: 1000px 0; } }

.loader-container { text-align: center; padding-top: 80px; color: var(--text-secondary); }
.spinner { width: 40px; height: 40px; border: 3px solid var(--glass-border); border-top-color: var(--accent-color); border-radius: 50%; margin: 0 auto 15px; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Empty States --- */
.empty-state {
  text-align: center;
  padding: 70px 14px;
  color: var(--text-secondary);
}
.empty-emoji { font-size: 2.2rem; margin-bottom: 12px; }
.empty-title { font-size: 1.05rem; color: var(--text-primary); margin-bottom: 6px; font-weight: 700; }
.empty-sub { opacity: 0.8; line-height: 1.6; margin-bottom: 18px; }
.primary-btn {
  border: none;
  background: var(--accent-color);
  color: #fff;
  padding: 10px 16px;
  border-radius: 14px;
  font-family: var(--font-family);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* --- Categories --- */
.categories-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.category-card {
  border: 1px solid var(--glass-border);
  text-align: right;
  padding: 14px;
  border-radius: 18px;
  cursor: pointer;
}
.category-title { color: var(--text-primary); font-weight: 800; margin-bottom: 6px; }
.category-count { color: var(--text-secondary); font-size: 0.85rem; opacity: 0.85; }

.chips-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 6px 0 12px;
  scrollbar-width: none;
}
.chips-row::-webkit-scrollbar { display: none; }
.chip {
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 999px;
  white-space: nowrap;
  font-family: var(--font-family);
  font-weight: 600;
  cursor: pointer;
}
.chip.active {
  background: var(--accent-light);
  color: var(--accent-color);
  border-color: var(--accent-light);
}

/* --- Skeletons --- */
.skeleton-card {
  border-radius: 24px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.03);
  padding: 12px;
  overflow: hidden;
}
.skeleton-cover {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: 18px;
  background: rgba(255,255,255,0.06);
  animation: shimmer 1.5s infinite linear;
  background-image: linear-gradient(to right, rgba(255,255,255,0.05) 4%, rgba(255,255,255,0.12) 25%, rgba(255,255,255,0.05) 36%);
  background-size: 1000px 100%;
}
.skeleton-line {
  height: 10px;
  border-radius: 999px;
  margin-top: 10px;
  background: rgba(255,255,255,0.06);
  animation: shimmer 1.5s infinite linear;
  background-image: linear-gradient(to right, rgba(255,255,255,0.05) 4%, rgba(255,255,255,0.12) 25%, rgba(255,255,255,0.05) 36%);
  background-size: 1000px 100%;
}
.skeleton-line.short { width: 65%; }

@media (max-width: 380px) {
  .categories-grid { grid-template-columns: 1fr; }
}

/* --- بهبود کارت‌های پکیج (مدرن‌تر + هم‌قد) --- */
.grid{
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
/* keep 2-column packages for most phones; fall back to 1 column only on very small screens */
@media (max-width: 360px){
  .grid{ grid-template-columns: 1fr; }
}
.pkg-card{
  display:flex;
  flex-direction:column;
  box-shadow: var(--shadow-sm);
}
.pkg-card:active{ transform: scale(0.98); }
.pkg-card:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.pkg-info{
  display:flex;
  flex-direction:column;
  gap: 8px;
  flex: 1 1 auto;
}
.pkg-title{
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.2px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: unset;
}
.pkg-footer{
  margin-top:auto;
  padding-top: 6px;
}

/* --- آکاردئون فصل‌ها در مودال --- */
.chapter-card{
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  overflow:hidden;
}
.chapter-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding: 14px 16px;
  cursor:pointer;
  user-select:none;
}
.chapter-title{
  font-weight:700;
  font-size: 0.95rem;
  line-height:1.4;
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
}
.chapter-title span{
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.chapter-meta{
  display:flex;
  align-items:center;
  gap:10px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  flex-shrink:0;
}
.chapter-chevron{
  transition: transform .2s ease;
  opacity:.9;
}
.chapter-card.collapsed .chapter-chevron{ transform: rotate(-90deg); }
.chapter-body{
  padding: 0 12px 12px;
}

.part-item{
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
}
.part-item.unlocked{
  background: linear-gradient(180deg, var(--accent-light), rgba(0,0,0,0));
  border-color: var(--accent-light);
}
.part-info span{
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  max-width: 48vw;
}
@media (min-width: 520px){
  .part-info span{ max-width: 260px; }
}
.part-btn{ box-shadow: var(--shadow-sm); }

/* =======================
   Polish Pack: themed cards + better badges + richer skeleton + modern parts layout
   ======================= */

/* Themed package cards (subtle gradients) */
.pkg-card{
  background: color-mix(in srgb, var(--glass-bg) 92%, transparent);
}
.pkg-card::before{
  content:"";
  position:absolute;
  inset:0;
  /* default gradient (modern: blue/purple, بدون سبز) */
  background: var(--card-grad, radial-gradient(circle at top right, rgba(99,102,241,.20), transparent 58%),
                         radial-gradient(circle at bottom left, rgba(168,85,247,.14), transparent 62%));
  opacity: .9;
  pointer-events:none;
}
.pkg-card::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius: var(--border-radius-lg);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
  pointer-events:none;
}

/* Gradient presets */
.pkg-card.theme-a{ --card-grad: radial-gradient(circle at 20% 10%, rgba(59,130,246,.22), transparent 55%), radial-gradient(circle at 85% 100%, rgba(168,85,247,.14), transparent 60%); }
.pkg-card.theme-b{ --card-grad: radial-gradient(circle at 15% 15%, rgba(16,185,129,.18), transparent 55%), radial-gradient(circle at 90% 95%, rgba(34,211,238,.14), transparent 60%); }
.pkg-card.theme-c{ --card-grad: radial-gradient(circle at 25% 0%, rgba(244,63,94,.16), transparent 55%), radial-gradient(circle at 85% 100%, rgba(251,191,36,.12), transparent 60%); }
.pkg-card.theme-d{ --card-grad: radial-gradient(circle at 30% 15%, rgba(56,189,248,.18), transparent 55%), radial-gradient(circle at 90% 95%, rgba(99,102,241,.14), transparent 60%); }
.pkg-card.theme-e{ --card-grad: radial-gradient(circle at 20% 10%, rgba(251,191,36,.14), transparent 55%), radial-gradient(circle at 85% 100%, rgba(16,185,129,.12), transparent 60%); }
.pkg-card.theme-f{ --card-grad: radial-gradient(circle at 25% 5%, rgba(168,85,247,.18), transparent 55%), radial-gradient(circle at 85% 100%, rgba(59,130,246,.12), transparent 60%); }

.pkg-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow-md); }
.pkg-card:active{ transform: scale(.985); }

/* Image overlay for more depth */
.card-image-container::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(180deg, rgba(2,6,23,0) 30%, rgba(2,6,23,.35) 100%);
  pointer-events:none;
}

/* Better access badges */
.access-tag{
  border-radius: 999px;
  padding: 3px 9px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(8px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.72rem;
  line-height: 1;
}
.access-tag svg{ display:none; }
.access-tag.unlocked{
  background: radial-gradient(circle at top right, rgba(16,185,129,.16), rgba(255,255,255,0.02));
  border-color: rgba(16,185,129,.18);
}
.access-tag.locked{
  background: radial-gradient(circle at top right, rgba(239,68,68,.15), rgba(255,255,255,0.02));
  border-color: rgba(239,68,68,.18);
}
.access-tag.vip{
  /* ویژه: زرد (به جای سبز/آبی) */
  background: radial-gradient(circle at top right, rgba(234,179,8,.22), rgba(255,255,255,0.02));
  border-color: rgba(234,179,8,.28);
  color: #fbbf24;
  box-shadow: 0 10px 25px -18px rgba(234,179,8,.7);
}

/* Author badge on cover */
.access-tag.author{
  /* فقط رنگ کادر نویسنده متفاوت باشد (استایل ثابت) */
  background: radial-gradient(circle at top right, rgba(20,184,166,.18), rgba(255,255,255,0.02));
  border-color: rgba(20,184,166,.22);
  color: #99f6e4;
}
.access-tag.author.muted{
  background: rgba(255,255,255,0.04);
  border-color: var(--glass-border);
  color: var(--text-secondary);
}

/* Chapters badge under package title */
.access-tag.chapters{
  background: radial-gradient(circle at top right, rgba(148,163,184,.14), rgba(255,255,255,0.02));
  border-color: rgba(148,163,184,.18);
  color: var(--text-secondary);
}

/* Tag overlay on cover */
.card-tags{
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  display: flex;
  gap: 6px;
}

/* Meta row under title (date + author) */
.meta-row{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 8px 0 2px;
}
.meta-pill{
  border-radius: 999px;
  padding: 5px 10px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(8px);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.78rem;
  line-height: 1;
  color: var(--text-secondary);
}
.meta-pill .meta-icon{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: .9;
}

/* Bottom nav auto-hide */
.bottom-nav{
  transition: transform .22s ease, opacity .22s ease;
}
.bottom-nav.nav-hidden{
  transform: translateY(16px);
  opacity: 0;
  pointer-events: none;
}

/* Part modal blocks */
.part-blocks{ display: flex; flex-direction: column; gap: 12px; margin-top: 10px; }
.part-block{ padding: 12px; border-radius: 18px; border: 1px solid var(--glass-border); background: rgba(255,255,255,0.03); }
.part-text{ margin: 0; color: var(--text-primary); line-height: 1.9; }
.part-media{ width: 100%; border-radius: 14px; display: block; }
.part-cap{ margin-top: 8px; color: var(--text-secondary); font-size: .85rem; line-height: 1.7; }

/* Realer skeletons (match card layout) */
.skeleton-card{
  position: relative;
  border-radius: 24px;
  background: color-mix(in srgb, var(--glass-bg) 92%, transparent);
}
.skeleton-card::before{
  content:"";
  position:absolute;
  inset:0;
  background: radial-gradient(circle at 20% 10%, rgba(59,130,246,.14), transparent 55%),
              radial-gradient(circle at 85% 100%, rgba(16,185,129,.10), transparent 60%);
  opacity:.9;
  pointer-events:none;
}
.skeleton-cover{ aspect-ratio: 16/9; }

/* Chapters: smoother accordion animation */
.chapter-body{
  padding: 0;
  overflow:hidden;
  max-height: 1500px;
  opacity: 1;
  transition: max-height .38s cubic-bezier(.2,.8,.2,1), opacity .25s ease;
}
.chapter-body-inner{ padding: 0 12px 12px; }
.chapter-card.collapsed .chapter-body{
  max-height: 0;
  opacity: 0;
}

/* Parts grid: 2 columns on larger phones */
.parts-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
@media (min-width: 480px){
  .parts-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .part-info span{ max-width: 220px; }
}
.part-item{
  height: 100%;
}
.part-info span{
  display:block;
  max-width: 52vw;
}
.part-btn{ white-space: nowrap; }