:root {
  --bg-app: #f4f6f9;
  --surface-card: #ffffff;
  --border-color: #e2e8f0;
  --topbar-bg: linear-gradient(180deg, rgba(255,255,255,0.6), rgba(255,255,255,0));
  --sidebar-bg: #ffffff;
  --search-bg: rgba(255,255,255,0.95);
  --text-main: #0f172a;
  --text-muted: #64748b;
  --color-blue: #2563eb;
  --color-blue-hover: #1d4ed8;
  --color-danger: #ef4444;
  --color-danger-bg: #fef2f2;
  --color-success: #10b981;
  --color-amber: #f59e0b;
  --color-purple: #8b5cf6;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

:root[data-theme="dark"], [data-theme="dark"] {
 --bg-app: #0f172a;
--surface-card: #1e293b;
--border-color: #334155;
 --topbar-bg: linear-gradient(180deg, rgba(14, 62, 237, 0.7), rgba(6,8,15,0.5));
 --sidebar-bg: #071024;
 --search-bg: rgba(255,255,255,0.03);
--text-main: #577fa7;
--text-muted: #94a3b8;

--color-blue: #3b82f6;
--color-blue-hover: #2563eb;
--color-danger: #ef4444;
--color-danger-bg: rgba(239, 68, 68, 0.1);
--color-success: #22c55e;
--color-amber: #f59e0b;
--color-purple: #a855f7;

--shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
--shadow-md: 0 4px 6px rgba(0,0,0,0.25);
--shadow-lg: 0 10px 15px rgba(0,0,0,0.2);

--radius-sm: 8px;
--radius-md: 14px;
--radius-lg: 20px;
--radius-full: 9999px;

}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-app);
  color: var(--text-main);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background-color 250ms ease, color 250ms ease;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select {
  font: inherit;
  outline: none;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.35);
  outline-offset: 2px;
}

/* Utilities helpers */
.text-blue { color: var(--color-blue); }
.text-danger { color: var(--color-danger); }
.icon-metric-blue { color: var(--color-blue); background: #eff6ff; padding: 6px; border-radius: 50%; }
.icon-metric-green { color: var(--color-success); background: #ecfdf5; padding: 6px; border-radius: 50%; }
.icon-metric-amber { color: var(--color-amber); background: #fffbeb; padding: 6px; border-radius: 50%; }
.icon-metric-purple { color: var(--color-purple); background: #f5f3ff; padding: 6px; border-radius: 50%; }

/* Buttons & Elements Design System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-blue);
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
}
.btn-primary:hover {
  background: var(--color-blue-hover);
  box-shadow: 0 6px 14px rgba(37, 99, 235, 0.3);
}

.btn-ghost {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text-main);
}
.btn-ghost:hover {
  background: rgba(0, 0, 0, 0.08);
}

.btn-primary-outline {
  background: transparent;
  border: 1.5px solid var(--color-blue);
  color: var(--color-blue);
}
.btn-primary-outline:hover {
  background: #eff6ff;
}

.btn-block {
  width: 100%;
}

/* Inputs fields control styling */
input, select {
  width: 100%;
  border: 1px solid var(--border-color);
  background: #ffffff;
  color: var(--text-main);
  padding: 11px 16px;
  border-radius: var(--radius-md);
  transition: border-color 0.15s ease;
}
input:focus, select:focus {
  border-color: var(--color-blue);
}
input::placeholder {
  color: var(--text-muted);
}

/* App Header Layout Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand-holder {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle-btn {
  display: none;
  background: transparent;
  border: 0;
  font-size: 1.25rem;
  color: var(--text-main);
  cursor: pointer;
}

.brand-mark {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

/* Logo image used in header */
.brand-logo {
  display: block;
  width: 160px;
  max-width: 45vw;
  height: 100px;
}

/* Modern topbar styles */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 60;
  transition: background-color 240ms ease, border-color 240ms ease, box-shadow 240ms ease;
}

.brand-holder { gap: 14px; }

.search-bar-wrapper {
  flex: 1 1 580px;
  max-width: 720px;
  margin: 0 20px;
}
.search-box {
  width: 100%;
  padding: 12px 16px 12px 44px !important;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  background: var(--search-bg);
  box-shadow: var(--shadow-sm);
  font-size: 0.95rem;
  color: var(--text-main);
  transition: background-color 200ms ease, border-color 200ms ease, color 200ms ease, box-shadow 200ms ease;
}
.search-bar-icon { left: 16px; top: 50%; transform: translateY(-50%); }

.topbar-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}
.icon-btn { background: transparent; border: 0; padding: 8px; border-radius: 10px; cursor: pointer; }
.icon-btn:hover { background: rgba(15,23,42,0.03); }

@media (max-width: 900px) {
  .search-bar-wrapper { max-width: 400px; }
  .brand-logo { width: 120px; }
}

@media (max-width: 640px) {
  .search-bar-wrapper { display: none; }
  .menu-toggle-btn { display: inline-flex; }
  .brand-logo { width: 110px; }
}

/* Screen-reader only helper */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.sort-select {
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid rgba(15,23,42,0.06);
  background: #ffffff;
  font-size: 0.95rem;
}

.search-bar-wrapper {
  position: relative;
  width: 100%;
  max-width: 440px;
}
.search-bar-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}
.search-box {
  padding-left: 40px !important;
  background: var(--bg-app);
  border-color: transparent;
}
.search-box:focus {
  background: #ffffff;
  border-color: var(--color-blue);
}

.icon-btn {
  border: 0;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  background: var(--bg-app);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* App Structural Frame Grid layout */
.app-body {
  display: grid;
  grid-template-columns: minmax(280px, 300px) 1fr;
  gap: 24px;
  min-height: calc(100vh - 69px);
  padding: 20px 24px 24px;
}
/* 1. Detached Floating Island Sidebar */
.sidebar {
  position: sticky;
  top: 20px;
  align-self: start;
  width: 100%;
  max-height: calc(100vh - 40px);
  padding: 26px 18px;
  background: var(--sidebar-bg);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.02), 0 1px 2px rgba(0, 0, 0, 0.01);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transition: transform 0.25s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.25s ease, opacity 0.25s ease;
}

/* 2. Borderless Header with Soft Gradient Split */
.sidebar-head {
  display: flex;
  gap: 14px;
  align-items: center;
  padding-bottom: 24px;
  margin-bottom: 20px;
  position: relative;
}
.sidebar-head::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 8px;
  right: 8px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color) 20%, var(--border-color) 80%, transparent);
}

/* 3. Micro-Rotation Squircle Avatar */
.avatar-container {
  position: relative;
}
.avatar {
  width: 48px;
  height: 48px;
  border-radius: 16px; /* Squircle (Not perfect circle) */
  object-fit: cover;
  background: #f8fafc;
  transform: rotate(-3deg); /* Playful tilt */
  border: 2px solid #ffffff;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.sidebar-head:hover .avatar {
  transform: rotate(0deg) scale(1.06);
}
.active-dot-indicator {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 11px;
  height: 11px;
  background: var(--color-success);
  border: 2.5px solid #ffffff;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.3);
}

.user-meta-details h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: -0.01em;
}
.user-meta-details p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 1px;
}

/* 4. Interactive Indented Navigation with Left Bars */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  padding: 12px 14px;
  border-radius: var(--radius-custom);
  text-align: left;
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Hover par card right side par slightly push hoga aur indicator line trigger hogi */
.nav-item:hover {
  color: var(--accent-color);
  padding-left: 20px; 
  background: var(--border-color);
}

/* Unique Left-Accent Border Line Tool */
.nav-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 0;
  background: var(--accent-color);
  border-radius: 0 4px 4px 0;
  transition: height 0.25s ease;
}
.nav-item:hover::before,
.nav-item.active::before {
  height: 22px; /* Smooth growth transition */
}

/* Active Class Styling */
.nav-item.active {
  color: var(--accent-color);
  font-weight: 600;
  background: linear-gradient(90deg, rgba(79, 70, 229, 0.05) 0%, transparent 100%);
}

.nav-item .nav-icon {
  font-size: 1.05rem;
  width: 20px;
  text-align: center;
  transition: transform 0.2s ease;
}
.nav-item:hover .nav-icon {
  transform: scale(1.1);
}

/* 5. Clean Separated Logout at the Bottom */
.nav-item.danger {
  color: var(--text-muted);
  margin-top: auto; /* Natural push down to footer */
  border-top: 1px dashed var(--border-color);
  border-radius: 0;
  padding-top: 16px;
}
.nav-item.danger::before {
  background: var(--color-danger);
}
.nav-item.danger:hover {
  color: var(--color-danger);
  background: var(--color-danger-bg);
  border-radius: var(--radius-custom);
  border-top-color: transparent;
}

.main-panel,
.profile-main {
  padding: 24px;
}

/* Double-Tier Filters Component Pane */
.filters-panel {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 24px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chip-group {
  display: flex;
  align-items: center;
  gap: 16px;
}
.filter-header {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 110px;
}
.filter-icon { font-size: 0.85rem; }
.chip-group h4 {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.chip-group-divider {
  height: 1px;
  background: var(--border-color);
  width: 100%;
}
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--surface-card);
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}
.chip:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
}
.chip.active {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: #ffffff;
}

.chip .chip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-right: 8px;
  font-size: 0.95rem;
}

/* Feed List Cards Structure Grid */
.feed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
  background: var(--surface-card);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
}

.empty-state i {
  font-size: 2rem;
  margin-bottom: 12px;
  opacity: 0.7;
}

.card-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
}

.status-approved { color: var(--color-success); background: rgba(16, 185, 129, 0.12); }
.status-pending { color: var(--color-amber); background: rgba(245, 158, 11, 0.12); }
.status-rejected { color: var(--color-danger); background: rgba(239, 68, 68, 0.14); }

.card {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  padding: 18px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--bg-app);
}
.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
}
.card .muted {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Floating Action Trigger Button (FAB) */
.fab {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 0;
  font-size: 24px;
  background: var(--color-blue);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 90;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}
.fab:hover {
  transform: scale(1.06) rotate(10deg);
  background: var(--color-blue-hover);
}

/* Auth Cards UI Layout Viewports */
.auth-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
  background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 100%);
}
.auth-shell {
  width: min(1020px, 100%);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  background: #ffffff;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.12);
}
.auth-visual {
  background: linear-gradient(145deg, #0f172a, #2563eb);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
  color: #ffffff;
}
.auth-visual img {
  width: 140px;
  height: auto;
  filter: drop-shadow(0 8px 18px rgba(0,0,0,0.25));
}
.auth-visual-copy h2 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}
.auth-visual-copy p {
  color: rgba(255,255,255,0.8);
  line-height: 1.6;
}
.auth-card {
  background: #ffffff;
  padding: 36px 32px;
}
.auth-header {
  text-align: center;
  margin-bottom: 24px;
}
.auth-brand-logo {
  font-size: 2.2rem;
  margin-bottom: 12px;
}
.auth-header h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.auth-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 6px;
}
.auth-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-app);
  padding: 4px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}
.auth-toggle .toggle-btn {
  background: transparent;
  border: 0;
  padding: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
}
.auth-toggle .toggle-btn.active {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.18);
}
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}
.input-icon-wrapper {
  position: relative;
}
.input-icon-wrapper .input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}
.input-icon-wrapper input {
  padding-left: 38px;
  padding-right: 42px;
}
.password-toggle-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
}
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border-color);
  color: var(--text-main);
}
.btn-outline:hover {
  background: #f8fafc;
}
.divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 0 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}
.social-btn {
  gap: 8px;
  margin-top: 4px;
}
.message {
  font-size: 0.88rem;
  text-align: center;
  margin-top: 14px;
  min-height: 20px;
  color: var(--color-blue);
}
.signup-only {
  display: none;
  animation: fadeIn 0.2s ease;
}
.signup-only.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 860px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }
  .auth-visual {
    padding-bottom: 20px;
  }
}

/* Onboarding viewports style updates */
.onboarding-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
  background: linear-gradient(135deg, #eff6ff 0%, #f1f5f9 100%);
}
.hero-shell {
  width: min(1040px, 100%);
  background: #ffffff;
  border-radius: 32px;
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}
.brand-badge {
  display: inline-block;
  padding: 6px 14px;
  background: #eff6ff;
  color: var(--color-blue);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 18px;
}
.brand-block h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
}
.brand-block p {
  color: var(--text-muted);
  line-height: 1.6;
  margin-top: 14px;
  font-size: 1.05rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}
.step-indicators {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}
.step-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cbd5e1;
  transition: all 0.2s ease;
}
.step-dot.active {
  width: 28px;
  border-radius: 999px;
  background: var(--color-blue);
}
.slider-card {
  background: linear-gradient(145deg, #ffffff, #f8fafc);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  align-items: center;
  border: 1px solid var(--border-color);
  min-height: 260px;
  overflow: hidden;
  position: relative;
}
.slide {
  display: none;
  animation: floatIn 0.45s ease;
}
.slide.active {
  display: block;
}
.slide .slide-icon {
  font-size: 2.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(37, 99, 235, 0.12);
  margin-bottom: 14px;
}
.slide h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.slide p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}
@keyframes floatIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 860px) {
  .hero-shell {
    grid-template-columns: 1fr;
    padding: 24px;
  }
  .slider-card {
    min-height: 220px;
  }
}

/* User Profile Shell (Light Dashboard Theme Match) */
.profile-page-shell {
  background: var(--bg-app);
  padding: 32px 16px;
  display: grid;
  place-items: center;
  position: relative;
}
.profile-shell {
  width: 100%;
  max-width: 580px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  padding: 24px;
  position: relative;
  z-index: 1;
}
.profile-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.hub-branding-badge {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
}
.user-bio-main-card {
  text-align: center;
  padding: 16px 0 24px 0;
  border-bottom: 1.5px dashed var(--border-color);
}
.user-avatar-large-wrapper {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, #a5b4fc 0%, #6366f1 100%);
  margin: 0 auto 16px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}
.avatar-large-initials {
  color: #ffffff;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.user-profile-display-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
}
.user-profile-bio-tagline {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-top: 6px;
}
.quick-counter-row {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
  background: var(--bg-app);
  padding: 12px 20px;
  border-radius: var(--radius-md);
}
.counter-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 70px;
}
.counter-number {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}
.counter-label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}
.counter-item-divider {
  width: 1px;
  height: 24px;
  background: #cbd5e1;
  margin: 0 24px;
}

.section-block-title {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin: 24px 0 14px 0;
}

/* User Analytics Dashboard Cards Widgets Grid */
.analytics-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.metric-widget-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}
.metric-card-top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.metric-meta-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}
.metric-main-value-heading {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}
.metric-subtext-explain {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.profile-links-list-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.profile-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 14px 16px;
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.profile-item strong {
  font-size: 0.98rem;
  font-weight: 600;
}
.profile-item .muted {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.profile-action-footer-wrapper {
  margin-top: 24px;
}

/* Unified Overlays & Popup Modals */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 200;
}
.modal[hidden] {
  display: none !important;
}
.modal-card {
  width: 100%;
  max-width: 680px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.modal-close-btn {
  background: transparent;
  border: 0;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
}
.stacked-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.form-row-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 640px) {
  .form-row-split {
    grid-template-columns: 1fr;
  }
}
.input-element-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.input-element-group input,
.input-element-group select {
  width: 100%;
}
.input-element-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.preview-card-holder {
  margin-top: 18px;
  border-top: 1.5px dashed var(--border-color);
  padding-top: 16px;
}

@media (max-width: 640px) {
  .preview-card-holder {
    margin-top: 14px;
    padding-top: 12px;
  }
}
.preview-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-blue);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.preview-card-display {
  background: var(--bg-app);
  border-radius: var(--radius-md);
  padding: 12px;
  font-size: 0.88rem;
}

/* Mobile responsive drawer overlay state */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.28);
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: 98;
  pointer-events: none;
}
.sidebar-overlay.active {
  display: block;
  opacity: 1;
  pointer-events: auto;
}

/* Screen Adapters Breakpoints Custom Queries */
@media (max-width: 900px) {
  .hero-shell {
    grid-template-columns: 1fr;
    padding: 24px;
  }
  .app-body {
    grid-template-columns: 1fr;
  }
  .menu-toggle-btn {
    display: inline-flex;
  }
  .sidebar {
    position: fixed;
    top: 69px;
    left: 0;
    bottom: 0;
    width: min(280px, 85vw);
    max-width: 320px;
    padding: 22px 18px;
    border-radius: 0 0 0 0;
    box-shadow: var(--shadow-lg);
    transform: translateX(-100%);
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease, visibility 0.25s ease;
    z-index: 99;
  }
  .profile-page-shell .sidebar {
    top: 0;
  }
  .sidebar.active {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
  }
  .analytics-metrics-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .topbar {
    padding: 12px 16px;
  }
  .main-panel,
  .profile-main {
    padding: 16px;
  }
}

@media (max-width: 640px) {
  .modal-card {
    padding: 16px;
    border-radius: var(--radius-md);
  }
  .input-element-group label {
    font-size: 0.78rem;
  }
  .input-element-group input,
  .input-element-group select,
  .input-element-group textarea {
    font-size: 16px;
    padding: 12px;
    min-height: 48px;
  }
  .btn {
    min-height: 48px;
    font-size: 0.95rem;
  }
  .preview-card-display {
    font-size: 0.8rem;
  }
}

/* Enhanced Preview Card Styles */
.metadata-status {
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: #f8fafc;
  border-radius: var(--radius-sm);
}

.metadata-status.loading {
  color: var(--color-blue);
  font-weight: 600;
  background: rgba(37, 99, 235, 0.08);
}

.metadata-status.success {
  color: var(--color-success);
  font-weight: 600;
  background: rgba(16, 185, 129, 0.08);
}

.preview-card-display {
  background: #fafafa;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  gap: 16px;
  min-height: 100px;
  align-items: center;
  transition: all 0.3s ease;
}

.preview-card-display.populated {
  background: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  border-color: #d1d5db;
}

.preview-image {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-md);
  background: #e5e7eb;
  object-fit: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #9ca3af;
  flex-shrink: 0;
  animation: pulse 1.5s infinite ease-in-out;
}

.preview-card-display.populated .preview-image {
  animation: none;
}

.preview-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.preview-title {
  font-weight: 700;
  color: var(--text-main);
  font-size: 1.05rem;
}

.preview-meta {
  font-size: 0.8rem;
  color: var(--color-blue);
  font-weight: 600;
}

.preview-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.placeholder-text {
  color: #9ca3af;
  font-style: italic;
  font-size: 0.9rem;
  text-align: center;
  width: 100%;
}

@keyframes pulse {
  0% { background-color: #e5e7eb; }
  50% { background-color: #f3f4f6; }
  100% { background-color: #e5e7eb; }
}

/* Modal enhancement animations */
@keyframes slideIn {
  from { 
    transform: translateY(20px); 
    opacity: 0; 
  }
  to { 
    transform: translateY(0); 
    opacity: 1; 
  }
}

.modal-card {
  animation: slideIn 0.3s ease;
}


:root {
  --bg-app: #f8fafc;
  --surface-card: #ffffff;
  --border-color: #e2e8f0;
  
  /* Color Palette */
  --text-main: #0f172a;
  --text-muted: #64748b;
  --color-blue: #2563eb;
  --color-blue-hover: #1d4ed8;
  --color-danger: #ef4444;
  --color-danger-bg: #fef2f2;
  
  /* Accents & Glows */
  --color-success: #10b981;
  --color-amber: #f59e0b;
  --color-purple: #8b5cf6;
  
  /* Modern Physics Settings */
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -1px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.08);
  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}