/* =============================================================================
   PharmaExpo Webinar Portal — Main Stylesheet
   Theme: Digital Pharma / AI Healthcare
   ============================================================================= */

:root {
  --primary:    #0052CC;
  --primary-d:  #003A91;
  --primary-l:  #EBF2FF;
  --accent:     #00897B;
  --accent-l:   #E0F5F3;
  --text:       #1E2A3A;
  --text-m:     #4A5568;
  --text-l:     #718096;
  --bg:         #F7F9FC;
  --bg-w:       #FFFFFF;
  --border:     #E2E8F0;
  --shadow-sm:  0 2px 8px rgba(0,0,0,.06);
  --shadow-md:  0 8px 32px rgba(0,82,204,.10);
  --shadow-lg:  0 16px 48px rgba(0,82,204,.14);
  --radius:     12px;
  --radius-lg:  20px;
  --radius-pill:50px;
  --transition: .22s cubic-bezier(.4,0,.2,1);
  --grad-hero:  linear-gradient(135deg, #001E5C 0%, #0052CC 40%, #00897B 100%);
  --grad-card:  linear-gradient(135deg, #EBF2FF 0%, #E0F5F3 100%);
}

*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── TYPOGRAPHY ─────────────────────────────────────────────────────────── */
h1,h2,h3,h4,h5 { font-weight: 700; line-height: 1.25; }
h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }

/* ─── NAVBAR ─────────────────────────────────────────────────────────────── */
.pharma-nav {
  background: rgba(0,20,60,.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.07);
  padding: 0;
  transition: background var(--transition);
  position: sticky;
  top: 0;
  z-index: 1050;
}
.pharma-nav .navbar-brand {
  font-weight: 800;
  font-size: 1.25rem;
  color: #fff !important;
  letter-spacing: -.3px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.pharma-nav .navbar-brand .brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.pharma-nav .nav-link {
  color: rgba(255,255,255,.8) !important;
  font-weight: 500;
  font-size: .9rem;
  padding: 1.1rem .9rem !important;
  transition: color var(--transition);
  position: relative;
}
.pharma-nav .nav-link:hover,
.pharma-nav .nav-link.active {
  color: #fff !important;
}
.pharma-nav .nav-link.active::after {
  content:'';
  position:absolute;
  bottom:0;left:.9rem;right:.9rem;
  height:3px;
  background:var(--accent);
  border-radius:3px 3px 0 0;
}
.pharma-nav .btn-register-nav {
  background: linear-gradient(135deg, var(--accent), #00BFA5);
  color: #fff !important;
  border: none;
  border-radius: var(--radius-pill);
  padding: .5rem 1.4rem !important;
  font-weight: 700;
  font-size: .85rem;
  margin: .55rem .5rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.pharma-nav .btn-register-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0,137,123,.4);
}

/* ─── HERO SECTION ────────────────────────────────────────────────────────── */
.hero {
  background: var(--grad-hero);
  position: relative;
  overflow: hidden;
  padding: 80px 0 60px;
  min-height: 480px;
}
.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-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.hero-content { position: relative; z-index: 2; }
.hero h1 { color: #fff; margin-bottom: 1rem; }
.hero p { color: rgba(255,255,255,.8); font-size: 1.1rem; max-width: 560px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  font-size: .8rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
  backdrop-filter: blur(8px);
}
.hero-badge .pulse {
  width: 8px; height: 8px;
  background: #4EE; border-radius: 50%;
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.4)} }

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}
.hero-stat { color: #fff; }
.hero-stat .val {
  font-size: 1.8rem;
  font-weight: 800;
  display: block;
  line-height: 1.1;
  background: linear-gradient(90deg,#fff,#A5F3FC);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stat .lbl {
  font-size: .78rem;
  color: rgba(255,255,255,.6);
  font-weight: 500;
}

/* Hero molecule illustration */
.hero-illustration {
  position: absolute;
  right: -40px;
  top: -20px;
  width: 500px;
  height: 500px;
  opacity: .12;
}

/* ─── SEARCH / FILTER BAR ────────────────────────────────────────────────── */
.filter-bar {
  background: var(--bg-w);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  position: sticky;
  top: 60px;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.filter-bar .form-control,
.filter-bar .form-select {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-pill);
  padding: .45rem 1rem;
  font-size: .85rem;
  background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.filter-bar .form-control:focus,
.filter-bar .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,82,204,.12);
  background: #fff;
}
.filter-bar .btn-search {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  padding: .45rem 1.2rem;
  font-weight: 600;
  font-size: .85rem;
  transition: background var(--transition), transform var(--transition);
}
.filter-bar .btn-search:hover {
  background: var(--primary-d);
  transform: translateY(-1px);
}

/* ─── WEBINAR CARDS ──────────────────────────────────────────────────────── */
.webinar-card {
  background: var(--bg-w);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.webinar-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.webinar-card .card-thumb {
  position: relative;
  height: 185px;
  overflow: hidden;
  background: var(--grad-card);
}
.webinar-card .card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.webinar-card:hover .card-thumb img {
  transform: scale(1.05);
}
.webinar-card .card-thumb .no-img {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-size: 3.5rem;
  opacity: .3;
}
.webinar-card .badge-type {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: .72rem;
  font-weight: 700;
  backdrop-filter: blur(8px);
}
.badge-free  { background: rgba(0,137,123,.85); color: #fff; }
.badge-paid  { background: rgba(0,82,204,.85);  color: #fff; }
.badge-live  { background: rgba(220,38,38,.85); color: #fff; animation: livePulse 1.5s infinite; }
@keyframes livePulse { 0%,100%{box-shadow:0 0 0 0 rgba(220,38,38,.4)} 50%{box-shadow:0 0 0 6px rgba(220,38,38,0)} }

.webinar-card .seats-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: rgba(255,255,255,.3);
}
.webinar-card .seats-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #4DD0E1);
  border-radius: 4px;
  transition: width .5s ease;
}

.webinar-card .card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.webinar-card .cat-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .73rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 10px;
}
.webinar-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}
.webinar-card .speaker-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.webinar-card .speaker-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  background: var(--grad-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
}
.webinar-card .meta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.webinar-card .meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: .78rem;
  color: var(--text-l);
}
.webinar-card .meta-item i { font-size: .85rem; color: var(--primary); }

.webinar-card .card-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.webinar-card .price {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
}
.webinar-card .price.free { color: var(--accent); }

.btn-register {
  background: linear-gradient(135deg, var(--primary), var(--primary-d));
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  padding: .5rem 1.2rem;
  font-weight: 700;
  font-size: .82rem;
  transition: all var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.btn-register:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0,82,204,.35);
}
.btn-register.sold-out {
  background: #E5E7EB;
  color: var(--text-l);
  cursor: not-allowed;
}

/* ─── CATEGORY PILLS ─────────────────────────────────────────────────────── */
.category-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 16px 0 8px;
}
.category-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: .8rem;
  font-weight: 600;
  border: 1.5px solid var(--border);
  background: var(--bg-w);
  color: var(--text-m);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.category-pill:hover,
.category-pill.active {
  border-color: var(--primary);
  background: var(--primary-l);
  color: var(--primary);
}

/* ─── DETAIL PAGE ────────────────────────────────────────────────────────── */
.detail-hero {
  background: var(--grad-hero);
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}
.detail-hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--bg);
  clip-path: ellipse(56% 100% at 50% 100%);
}

.detail-banner {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16/9;
  width: 100%;
  object-fit: cover;
}

.sticky-card {
  position: sticky;
  top: 90px;
  background: var(--bg-w);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
}

.speaker-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: box-shadow var(--transition);
}
.speaker-card:hover { box-shadow: var(--shadow-sm); }
.speaker-card img {
  width: 72px; height: 72px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-l);
  flex-shrink: 0;
}
.speaker-card .speaker-initial {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.agenda-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--border);
}
.agenda-item:last-child { border-bottom: none; }
.agenda-time {
  min-width: 70px;
  font-family: 'Courier New', monospace;
  font-size: .8rem;
  font-weight: 700;
  color: var(--primary);
  padding-top: 2px;
}
.agenda-type-badge {
  font-size: .7rem;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-weight: 700;
}
.type-keynote { background: #FFF3E0; color: #E65100; }
.type-session  { background: #EBF2FF; color: #0052CC; }
.type-break    { background: #F1F5F9; color: #64748B; }
.type-qa       { background: #E8F5E9; color: #2E7D32; }
.type-demo     { background: #F3E5F5; color: #6A1B9A; }
.type-panel    { background: #E0F4FF; color: #01579B; }

/* ─── REGISTRATION FORM ──────────────────────────────────────────────────── */
.reg-form-card {
  background: var(--bg-w);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.reg-form-card .form-label { font-weight: 600; font-size: .85rem; color: var(--text-m); }
.reg-form-card .form-control,
.reg-form-card .form-select {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: .6rem 1rem;
  font-size: .9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.reg-form-card .form-control:focus,
.reg-form-card .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,82,204,.12);
}
.step-indicator {
  display: flex;
  align-items: center;
  margin-bottom: 32px;
}
.step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-l);
}
.step.active { color: var(--primary); }
.step.done   { color: var(--accent); }
.step-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--border);
  color: var(--text-l);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .78rem;
  font-weight: 700;
  transition: all var(--transition);
}
.step.active .step-num { background: var(--primary); color: #fff; }
.step.done   .step-num { background: var(--accent);  color: #fff; }
.step-line { flex: 1; height: 2px; background: var(--border); margin: 0 8px; }

/* ─── PAYMENT GATEWAY SECTION ────────────────────────────────────────────── */
.payment-method-card {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition);
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-m);
}
.payment-method-card:hover,
.payment-method-card.selected {
  border-color: var(--primary);
  background: var(--primary-l);
  color: var(--primary);
}
.payment-method-card img { height: 28px; margin-bottom: 4px; display: block; margin: 0 auto 4px; }

/* ─── ADMIN SIDEBAR ──────────────────────────────────────────────────────── */
.admin-sidebar {
  width: 260px;
  min-height: 100vh;
  background: #001E5C;
  position: fixed;
  top: 0; left: 0;
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: width var(--transition);
}
.admin-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  display: flex;
  align-items: center;
  gap: 10px;
}
.admin-logo .logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.admin-logo .logo-text { font-weight: 800; color: #fff; font-size: .95rem; }
.admin-logo .logo-sub  { font-size: .7rem; color: rgba(255,255,255,.4); }

.admin-nav { padding: 12px; flex: 1; overflow-y: auto; }
.nav-section-label {
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(255,255,255,.3);
  padding: 10px 10px 4px;
  font-weight: 700;
}
.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: rgba(255,255,255,.65);
  font-size: .86rem;
  font-weight: 500;
  transition: all var(--transition);
  margin-bottom: 2px;
}
.admin-nav-link:hover { background: rgba(255,255,255,.06); color: #fff; }
.admin-nav-link.active { background: rgba(0,82,204,.4); color: #fff; }
.admin-nav-link i { font-size: 1rem; width: 18px; text-align: center; flex-shrink: 0; }
.admin-nav-link .badge-count {
  margin-left: auto;
  background: var(--primary);
  color: #fff;
  font-size: .65rem;
  padding: 2px 7px;
  border-radius: 20px;
  font-weight: 700;
}

.admin-main { margin-left: 260px; min-height: 100vh; background: #F0F4FF; }
.admin-topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 99;
  box-shadow: var(--shadow-sm);
}
.admin-content { padding: 28px 28px 48px; }

/* ─── STAT CARDS ─────────────────────────────────────────────────────────── */
.stat-card {
  background: var(--bg-w);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: transform var(--transition), box-shadow var(--transition);
  border-bottom: 3px solid var(--card-accent, var(--primary));
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.stat-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 14px;
}
.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.stat-label {
  font-size: .8rem;
  color: var(--text-l);
  font-weight: 500;
  margin-top: 4px;
}
.stat-delta {
  font-size: .75rem;
  font-weight: 600;
  margin-top: 6px;
}
.delta-up   { color: var(--accent); }
.delta-down { color: #DC2626; }

/* ─── TABLES ─────────────────────────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  padding: 10px 14px;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-l);
  border-bottom: 2px solid var(--border);
  background: var(--bg);
}
.data-table td {
  padding: 12px 14px;
  font-size: .85rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-m);
  vertical-align: middle;
}
.data-table tbody tr:hover { background: var(--primary-l); }

/* STATUS BADGES */
.status-badge {
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: .72rem;
  font-weight: 700;
}
.s-confirmed { background: #D1FAE5; color: #065F46; }
.s-pending   { background: #FEF3C7; color: #92400E; }
.s-cancelled { background: #FEE2E2; color: #991B1B; }
.s-draft     { background: #F3F4F6; color: #4B5563; }
.s-published { background: #DBEAFE; color: #1E40AF; }
.s-live      { background: #FEE2E2; color: #991B1B; }
.s-completed { background: #D1FAE5; color: #065F46; }

/* ─── FORMS (ADMIN) ──────────────────────────────────────────────────────── */
.admin-form .form-label { font-weight: 600; font-size: .83rem; color: var(--text-m); }
.admin-form .form-control,
.admin-form .form-select,
.admin-form textarea {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: .88rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.admin-form .form-control:focus,
.admin-form .form-select:focus,
.admin-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,82,204,.1);
}
.admin-card {
  background: var(--bg-w);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
}
.admin-card-header {
  padding: 16px 22px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: .92rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.admin-card-header i { color: var(--primary); }
.admin-card-body { padding: 22px; }

/* ─── RATING STARS ───────────────────────────────────────────────────────── */
.stars { display: inline-flex; gap: 2px; }
.star-fill { color: #F59E0B; }
.star-empty{ color: #D1D5DB; }

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .admin-sidebar { transform: translateX(-100%); transition: transform var(--transition); }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .hero { padding: 50px 0 40px; min-height: auto; }
  .hero-stats { gap: 1.2rem; }
  .sticky-card { position: static; }
}
@media (max-width: 575.98px) {
  .hero h1 { font-size: 1.6rem; }
  .hero p   { font-size: .95rem; }
  .webinar-card .card-thumb { height: 150px; }
}