/* ============================================
   BSDC MAIN CSS
   Bangladesh Software Development Community
   Custom Components + Animations
   ============================================ */

/* ---- FONTS ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Fira+Code:wght@400;500;600&family=Hind+Siliguri:wght@300;400;500;600;700&display=swap');

:root {
  --green: #006A4E;
  --green-dark: #004d38;
  --green-light: #e6f4f0;
  --green-mid: #00a878;
  --slate: #1E293B;
  --slate-light: #334155;
  --slate-muted: #64748B;
  --slate-100: #F1F5F9;
  --slate-200: #E2E8F0;
  --white: #FFFFFF;
  --font-bangla: 'Hind Siliguri', 'SolaimanLipi', sans-serif;
  --font-code: 'Fira Code', 'Consolas', monospace;
  --nav-height: 64px;
  --sidebar-width: 280px;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #F1F5F9; }
::-webkit-scrollbar-thumb { background: #006A4E; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #004d38; }

/* ---- SELECTION ---- */
::selection { background: rgba(0,106,78,0.2); color: #1E293B; }

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
  z-index: 500;
  display: flex;
  align-items: center;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
}

.navbar-logo {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-mid) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,106,78,0.3);
}

.navbar-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.navbar-brand-name {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--slate);
  letter-spacing: -0.02em;
}

.navbar-brand-sub {
  font-size: 0.65rem;
  color: var(--green);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.navbar-search {
  flex: 1;
  max-width: 400px;
  margin: 0 1.5rem;
  position: relative;
}

.navbar-search input {
  width: 100%;
  padding: 0.5rem 1rem 0.5rem 2.5rem;
  border: 2px solid var(--slate-200);
  border-radius: 9999px;
  font-size: 0.875rem;
  background: var(--slate-100);
  transition: border-color 0.2s, background 0.2s;
}

.navbar-search input:focus {
  background: white;
  border-color: var(--green);
}

.navbar-search-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--slate-muted);
  pointer-events: none;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-link {
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.navbar-link:hover {
  background: var(--slate-100);
  color: var(--green);
  text-decoration: none;
}

.navbar-link.active { color: var(--green); }

.navbar-user-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem 0.375rem 0.375rem;
  background: var(--slate-100);
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  transition: background 0.2s;
}

.navbar-user-btn:hover { background: var(--slate-200); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--slate);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
}

.mobile-menu.open { display: block; }

.mobile-menu-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 280px;
  height: 100%;
  background: white;
  padding: 2rem 1.5rem;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.mobile-menu.open .mobile-menu-panel { transform: translateX(0); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .navbar-search { display: none; }
  .navbar-nav .hide-mobile { display: none; }
}

/* ============================================
   PAGE LAYOUT
   ============================================ */
.page-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr 280px;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
  align-items: start;
}

.page-layout-2col {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 1rem);
  max-height: calc(100vh - var(--nav-height) - 2rem);
  overflow-y: auto;
}

@media (max-width: 1100px) {
  .page-layout {
    grid-template-columns: var(--sidebar-width) 1fr;
  }
  .page-layout > .sidebar:last-child { display: none; }
}

@media (max-width: 768px) {
  .page-layout,
  .page-layout-2col {
    grid-template-columns: 1fr;
  }
  .page-layout > .sidebar { display: none; }
}

/* ============================================
   LEFT SIDEBAR NAV
   ============================================ */
.sidebar-nav {
  background: white;
  border: 1px solid var(--slate-200);
  border-radius: 0.75rem;
  overflow: hidden;
  padding: 0.5rem;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--slate);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  cursor: pointer;
}

.sidebar-nav-item:hover {
  background: var(--green-light);
  color: var(--green);
  text-decoration: none;
}

.sidebar-nav-item.active {
  background: var(--green-light);
  color: var(--green);
  font-weight: 600;
}

.sidebar-nav-icon {
  font-size: 1.1rem;
  width: 1.25rem;
  text-align: center;
}

.sidebar-section-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--slate-muted);
  padding: 0.75rem 1rem 0.25rem;
}

/* ============================================
   FEED / POST CARDS
   ============================================ */
.feed { display: flex; flex-direction: column; gap: 1rem; }

.post-card {
  background: white;
  border: 1px solid var(--slate-200);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.post-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
  border-color: #CBD5E1;
}

.post-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1rem 0;
}

.post-card-meta {
  flex: 1;
}

.post-card-author {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--slate);
  text-decoration: none;
}

.post-card-author:hover { color: var(--green); text-decoration: none; }

.post-card-time {
  font-size: 0.8rem;
  color: var(--slate-muted);
}

.post-card-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.type-question { background: #DBEAFE; color: #2563EB; }
.type-blog { background: #e6f4f0; color: #006A4E; }
.type-wiki { background: #FEF3C7; color: #D97706; }
.type-snippet { background: #F3E8FF; color: #7C3AED; }
.type-project { background: #FEE2E2; color: #DC2626; }
.type-discussion { background: #E2E8F0; color: #475569; }

.post-card-body { padding: 0.75rem 1rem; }

.post-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--slate);
  text-decoration: none;
  line-height: 1.4;
  display: block;
  margin-bottom: 0.5rem;
  transition: color 0.2s;
}

.post-card-title:hover { color: var(--green); text-decoration: none; }

.post-card-excerpt {
  font-size: 0.875rem;
  color: var(--slate-muted);
  line-height: 1.6;
}

.post-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  margin: 0.75rem 0;
}

.post-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  padding: 0 1rem 0.75rem;
}

.post-card-actions {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0.5rem 0.5rem;
  border-top: 1px solid var(--slate-200);
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  border-radius: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--slate-muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.action-btn:hover { background: var(--slate-100); color: var(--slate); }
.action-btn.voted { color: var(--green); }
.action-btn.liked { color: #DC2626; }

/* ============================================
   SKELETON LOADING UI
   ============================================ */
@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

.skeleton {
  background: linear-gradient(90deg,
    #F1F5F9 0%,
    #E2E8F0 50%,
    #F1F5F9 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite linear;
  border-radius: 0.375rem;
}

.skeleton-text { height: 1rem; width: 100%; }
.skeleton-text-sm { height: 0.75rem; width: 60%; }
.skeleton-title { height: 1.5rem; width: 80%; }
.skeleton-avatar { width: 2.5rem; height: 2.5rem; border-radius: 50%; }
.skeleton-avatar-lg { width: 3.5rem; height: 3.5rem; border-radius: 50%; }
.skeleton-img { width: 100%; height: 200px; }
.skeleton-btn { height: 2.5rem; width: 120px; border-radius: 0.5rem; }

.skeleton-card {
  background: white;
  border: 1px solid var(--slate-200);
  border-radius: 0.75rem;
  padding: 1rem;
}

.skeleton-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

/* ============================================
   CODE SYNTAX HIGHLIGHT
   ============================================ */
.code-block {
  position: relative;
  background: #0F172A;
  border-radius: 0.75rem;
  overflow: hidden;
  margin: 1rem 0;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: #1E293B;
  border-bottom: 1px solid #334155;
}

.code-lang {
  font-size: 0.75rem;
  font-weight: 600;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.code-copy-btn {
  background: none;
  border: 1px solid #334155;
  color: #94A3B8;
  padding: 0.25rem 0.625rem;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.code-copy-btn:hover {
  background: #334155;
  color: white;
}

.code-copy-btn.copied {
  border-color: var(--green);
  color: var(--green-mid);
}

pre {
  margin: 0;
  padding: 1.25rem;
  overflow-x: auto;
  font-family: var(--font-code);
  font-size: 0.875rem;
  line-height: 1.7;
  color: #E2E8F0;
}

code {
  font-family: var(--font-code);
  font-size: 0.875em;
  background: #F1F5F9;
  color: #006A4E;
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
}

pre code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: 1em;
}

/* Syntax colors */
.token-keyword { color: #7C3AED; }
.token-string { color: #059669; }
.token-number { color: #D97706; }
.token-comment { color: #64748B; font-style: italic; }
.token-function { color: #2563EB; }
.token-tag { color: #DC2626; }
.token-attr { color: #D97706; }
.token-class { color: #0891B2; }
.token-operator { color: #E2E8F0; }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  background: linear-gradient(135deg,
    #004d38 0%,
    #006A4E 40%,
    #1E293B 100%
  );
  color: white;
  padding: 4rem 1rem 6rem;
  position: relative;
  overflow: hidden;
}

.hero::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='0.03'%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");
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255,255,255,0.2);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  color: #4ade80;
}

.hero-desc {
  font-size: 1.1rem;
  line-height: 1.7;
  opacity: 0.9;
  max-width: 600px;
  margin-bottom: 2rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

.hero-stat {
  text-align: center;
}

.hero-stat-num {
  font-size: 2rem;
  font-weight: 900;
  color: #4ade80;
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.8rem;
  opacity: 0.8;
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================
   DEVELOPER ID CARD
   ============================================ */
.id-card {
  width: 340px;
  background: linear-gradient(160deg, #FFFFFF 0%, #F8FAFC 100%);
  border-radius: 1.25rem;
  box-shadow:
    0 25px 60px rgba(0,0,0,0.15),
    0 0 0 1px rgba(0,106,78,0.1);
  overflow: hidden;
  position: relative;
  font-family: 'Inter', sans-serif;
}

.id-card-header {
  background: linear-gradient(135deg, #006A4E 0%, #004d38 100%);
  padding: 1.25rem 1.5rem 1rem;
  position: relative;
  overflow: hidden;
}

.id-card-header::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}

.id-card-header::after {
  content: '';
  position: absolute;
  bottom: -30px;
  left: 40px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}

.id-card-org {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.7);
  font-weight: 600;
}

.id-card-org-name {
  font-size: 1rem;
  font-weight: 800;
  color: white;
  margin-top: 0.125rem;
}

.id-card-strip {
  height: 6px;
  background: linear-gradient(90deg,
    #4ade80 0%,
    #22c55e 33%,
    #006A4E 66%,
    #004d38 100%
  );
}

.id-card-body {
  padding: 1.25rem 1.5rem;
}

.id-card-avatar-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.id-card-avatar {
  width: 75px;
  height: 75px;
  border-radius: 0.75rem;
  object-fit: cover;
  border: 3px solid white;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  background: #E2E8F0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--green);
  flex-shrink: 0;
}

.id-card-info { flex: 1; min-width: 0; }

.id-card-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--slate);
  line-height: 1.2;
  margin-bottom: 0.125rem;
}

.id-card-role {
  font-size: 0.8rem;
  color: var(--green);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.id-card-username {
  font-size: 0.75rem;
  color: var(--slate-muted);
}

.id-card-divider {
  height: 1px;
  background: var(--slate-200);
  margin: 0.75rem 0;
}

.id-card-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.id-card-field-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate-muted);
  font-weight: 600;
  margin-bottom: 0.125rem;
}

.id-card-field-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--slate);
}

.id-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.5rem;
  background: var(--slate-100);
  border-top: 1px solid var(--slate-200);
}

.id-card-qr {
  width: 60px;
  height: 60px;
  background: white;
  border-radius: 0.5rem;
  padding: 0.25rem;
  border: 1px solid var(--slate-200);
  display: flex;
  align-items: center;
  justify-content: center;
}

.id-card-member-since {
  font-size: 0.7rem;
  color: var(--slate-muted);
  font-weight: 600;
  text-align: right;
}

.id-card-badge-id {
  font-size: 0.7rem;
  font-family: var(--font-code);
  color: var(--green);
  font-weight: 600;
  text-align: right;
  margin-top: 0.25rem;
  font-size: 0.65rem;
}

/* ============================================
   WRITE/SUBMIT AREA
   ============================================ */
.write-box {
  background: white;
  border: 1px solid var(--slate-200);
  border-radius: 0.75rem;
  padding: 1rem;
  margin-bottom: 1rem;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.write-box:hover {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(0,106,78,0.08);
}

.write-box-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.write-box-placeholder {
  flex: 1;
  padding: 0.625rem 1rem;
  background: var(--slate-100);
  border-radius: 9999px;
  font-size: 0.9rem;
  color: var(--slate-muted);
  pointer-events: none;
}

.write-type-btns {
  display: flex;
  gap: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--slate-200);
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.write-type-btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--slate-muted);
  transition: background 0.15s, color 0.15s;
}

.write-type-btn:hover { background: var(--slate-100); color: var(--slate); }

/* ============================================
   ANSWER BOX
   ============================================ */
.answer-card {
  background: white;
  border: 1px solid var(--slate-200);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-bottom: 1rem;
  position: relative;
}

.answer-card.accepted {
  border-color: var(--green);
  background: #fafffe;
}

.accepted-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--green-light);
  color: var(--green);
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.vote-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.vote-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--slate-200);
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  font-size: 1rem;
}

.vote-btn:hover { border-color: var(--green); color: var(--green); }
.vote-btn.active { background: var(--green); border-color: var(--green); color: white; }

.vote-count {
  font-weight: 700;
  font-size: 1rem;
  color: var(--slate);
}

/* ============================================
   RICH TEXT EDITOR
   ============================================ */
.editor-wrapper {
  border: 2px solid var(--slate-200);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: border-color 0.2s;
}

.editor-wrapper:focus-within { border-color: var(--green); }

.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.625rem;
  background: var(--slate-100);
  border-bottom: 1px solid var(--slate-200);
}

.editor-btn {
  width: 32px;
  height: 32px;
  border-radius: 0.375rem;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--slate);
  transition: background 0.15s;
  font-family: var(--font-code);
}

.editor-btn:hover { background: var(--slate-200); }
.editor-btn.active { background: var(--green); color: white; }

.editor-sep {
  width: 1px;
  height: 24px;
  background: var(--slate-200);
  margin: 0 0.25rem;
  align-self: center;
}

.editor-content {
  min-height: 200px;
  padding: 1rem;
  outline: none;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--slate);
}

.editor-content:empty::before {
  content: attr(data-placeholder);
  color: var(--slate-muted);
  pointer-events: none;
}

/* ============================================
   SEARCH PAGE
   ============================================ */
.search-bar-large {
  display: flex;
  align-items: center;
  background: white;
  border: 2px solid var(--slate-200);
  border-radius: 9999px;
  padding: 0.75rem 1.5rem;
  gap: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  max-width: 700px;
  margin: 0 auto 2rem;
}

.search-bar-large:focus-within {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(0,106,78,0.1);
}

.search-bar-large input {
  flex: 1;
  border: none;
  font-size: 1.1rem;
  color: var(--slate);
  background: none;
}

.search-bar-large input::placeholder { color: var(--slate-muted); }

.search-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.search-filter-btn {
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  border: 2px solid var(--slate-200);
  background: white;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--slate);
  cursor: pointer;
  transition: all 0.2s;
}

.search-filter-btn:hover,
.search-filter-btn.active {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-light);
}

/* ============================================
   WIDGET BOXES (Sidebar)
   ============================================ */
.widget {
  background: white;
  border: 1px solid var(--slate-200);
  border-radius: 0.75rem;
  overflow: hidden;
  margin-bottom: 1rem;
}

.widget-header {
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--slate-200);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--slate);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.widget-body { padding: 1rem 1.25rem; }

.trending-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--slate-100);
  text-decoration: none;
  transition: color 0.15s;
}

.trending-item:last-child { border-bottom: none; }
.trending-item:hover { color: var(--green); text-decoration: none; }

.trending-num {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--slate-200);
  min-width: 1.5rem;
  line-height: 1.3;
}

.trending-text {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--slate);
  line-height: 1.4;
}

/* ============================================
   USER PROFILE HEADER
   ============================================ */
.profile-cover {
  height: 200px;
  background: linear-gradient(135deg, var(--green) 0%, var(--slate) 100%);
  border-radius: 0.75rem 0.75rem 0 0;
  position: relative;
  overflow: hidden;
}

.profile-cover::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M0 0h40v40H0V0zm20 10l10 17.32H10L20 10z'/%3E%3C/g%3E%3C/svg%3E");
}

.profile-header-card {
  background: white;
  border: 1px solid var(--slate-200);
  border-radius: 0.75rem;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.profile-header-body {
  padding: 0 1.5rem 1.5rem;
  position: relative;
}

.profile-avatar-wrapper {
  position: relative;
  display: inline-block;
  margin-top: -50px;
  margin-bottom: 0.75rem;
}

.profile-avatar-img {
  width: 100px;
  height: 100px;
  border-radius: 1rem;
  border: 4px solid white;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  object-fit: cover;
  background: var(--slate-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--green);
}

.profile-online-dot {
  position: absolute;
  bottom: 6px;
  right: 6px;
  width: 14px;
  height: 14px;
  background: #22c55e;
  border-radius: 50%;
  border: 2px solid white;
}

.profile-name { font-size: 1.5rem; font-weight: 800; color: var(--slate); }
.profile-username { color: var(--slate-muted); font-size: 0.9rem; margin-bottom: 0.5rem; }
.profile-bio { color: var(--slate-light); font-size: 0.9rem; line-height: 1.6; margin-bottom: 1rem; }

.profile-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.profile-stat {
  text-align: center;
}

.profile-stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--slate);
  line-height: 1;
}

.profile-stat-label {
  font-size: 0.75rem;
  color: var(--slate-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* ============================================
   NOTIFICATION DOT
   ============================================ */
.notif-dot {
  width: 8px;
  height: 8px;
  background: #DC2626;
  border-radius: 50%;
  position: absolute;
  top: -2px;
  right: -2px;
}

.notif-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #DC2626;
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  border: 2px solid white;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--slate);
  color: rgba(255,255,255,0.8);
  padding: 3rem 1rem 1.5rem;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand-text {
  font-size: 0.875rem;
  line-height: 1.7;
  opacity: 0.8;
  margin-top: 0.75rem;
  max-width: 280px;
}

.footer-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-link {
  display: block;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  margin-bottom: 0.5rem;
  transition: color 0.2s;
}

.footer-link:hover { color: #4ade80; text-decoration: none; }

.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  font-size: 0.8rem;
  opacity: 0.6;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ============================================
   BANGLA TEXT
   ============================================ */
.bangla {
  font-family: var(--font-bangla);
  line-height: 1.9;
}

/* ============================================
   LOADING SPINNER
   ============================================ */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--slate-200);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

.spinner-lg {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

.page-loader {
  position: fixed;
  inset: 0;
  background: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.3s ease;
}

.page-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

/* ============================================
   TAG PAGE
   ============================================ */
.tag-header {
  background: linear-gradient(135deg, var(--green-light), white);
  border: 1px solid var(--slate-200);
  border-radius: 0.75rem;
  padding: 2rem;
  margin-bottom: 1.5rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-fade-in { animation: fadeIn 0.4s ease forwards; }
.animate-fade-up { animation: fadeInUp 0.4s ease forwards; }

/* ============================================
   DARK MODE (Optional future)
   ============================================ */
@media (prefers-color-scheme: dark) {
  /* Reserved for future dark mode */
}

/* ============================================
   PRINT / ID Card Share
   ============================================ */
@media print {
  .navbar, .footer, .sidebar, .post-card-actions { display: none !important; }
  .id-card { box-shadow: none; border: 2px solid #ccc; }
}