/* ============================================================
   ChatPTSP - Main Stylesheet
   ============================================================ */

/* -- Fonts & Variables -- */
:root {
  --primary:      #3b82f6;
  --primary-dark: #1e40af;
  --secondary:    #4c7dff;
  --accent:       #00d0ff;
  --success:      #10b981;
  --danger:       #ef4444;
  --bg-main:      #f2f4f8;
  --bg-card:      #ffffff;
  --text:         #2a2b42;
  --text-muted:   #8a8c9e;
  --border:       #e5e7f0;
  --radius:       24px;
  --radius-sm:    14px;
  --shadow:       0 12px 30px rgba(91, 66, 243, 0.08);
  --shadow-lg:    0 20px 40px rgba(58, 34, 175, 0.15);
  --navbar-h:     70px;
  --transition:   .3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  background: var(--bg-main);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 15px;
  line-height: 1.6;
}

/* ============================================================
   NAVBAR
   ============================================================ */
#mainNav {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  box-shadow: 0 4px 20px rgba(58, 34, 175, 0.2);
  height: var(--navbar-h);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1030;
}
.navbar-brand { gap: 12px; text-decoration: none; }
.brand-icon {
  width: 40px; height: 40px;
  background: rgba(255,255,255,.18);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  backdrop-filter: blur(8px);
}
.brand-sub {
  font-size: .7rem;
  opacity: .8;
  line-height: 1;
  margin-top: 1px;
}

/* ============================================================
   HERO / HOME PAGE
   ============================================================ */
.hero-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 40px 0 100px;
  position: relative;
  overflow: hidden;
  border-bottom-left-radius: 40px;
  border-bottom-right-radius: 40px;
  margin-bottom: -60px; /* pull next section up */
}
.hero-section::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
}
/* Tambahan ornamen floating ala mobile app */
.hero-section::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(76,125,255,0.3) 0%, rgba(255,255,255,0) 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-title {
  color: #fff;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.5px;
}
.hero-subtitle { color: rgba(255,255,255,.85); font-size: 1.1rem; font-weight: 400; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,.25);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: .85rem;
  font-weight: 600;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-bottom: 20px;
}
.hero-stats {
  margin-top: 32px;
}
.hero-stat-item {
  background: rgba(255,255,255,.1);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.hero-stat-val { font-size: 1.5rem; font-weight: 800; color: #fff; }
.hero-stat-lbl { font-size: .8rem; color: rgba(255,255,255,.7); text-transform: uppercase; letter-spacing: 0.5px; }

/* Responsive Logo Inline */
.hero-logo-inline {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

@media (max-width: 768px) {
  .hero-section {
    padding: 30px 0 80px;
    border-bottom-left-radius: 30px;
    border-bottom-right-radius: 30px;
    margin-bottom: -50px;
  }
  .hero-title { font-size: 1.8rem; }
  .hero-logo-inline { width: 40px; height: 40px; }
  .hero-stat-item { padding: 8px 4px; text-align: center; }
  .hero-stat-val { font-size: clamp(0.75rem, 2.5vw, 1.1rem); letter-spacing: -0.5px; }
  .hero-stat-lbl { font-size: clamp(0.5rem, 1.8vw, 0.65rem); margin-top: 2px; white-space: normal; line-height: 1.2; word-wrap: break-word; }
}

/* Service List Cards (Mobile friendly list) */
.service-list-card {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text);
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.05);
}
.service-list-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.06);
  border-color: var(--primary);
  color: var(--text);
}
.sl-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
  margin-right: 16px;
}
.sl-body { flex: 1; text-align: left; }
.sl-title { font-size: 1.1rem; font-weight: 700; margin: 0 0 4px 0; color: var(--text); }
.sl-desc { font-size: 0.85rem; color: var(--text-muted); margin: 0; }
.sl-arrow { color: var(--text-muted); font-size: 1.2rem; transition: transform 0.3s ease; }
.service-list-card:hover .sl-arrow { transform: translateX(4px); color: var(--primary); }

/* Default desktop icon colors */
.grad-card-1 .sl-icon { background: rgba(91,66,243,0.1); color: var(--primary); }
.grad-card-2 .sl-icon { background: rgba(16,185,129,0.1); color: var(--success); }
.grad-card-3 .sl-icon { background: rgba(111,66,193,0.1); color: #6f42c1; }
.grad-card-4 .sl-icon { background: rgba(239,68,68,0.1); color: var(--danger); }
.grad-card-5 .sl-icon { background: rgba(245,158,11,0.1); color: #f59e0b; }
.grad-card-6 .sl-icon { background: rgba(14,165,233,0.1); color: #0ea5e9; }

@media (max-width: 768px) {
  .grad-card-1, .grad-card-2, .grad-card-3, .grad-card-4, .grad-card-5, .grad-card-6 {
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%) !important;
    color: #fff !important; border: none;
  }
  .grad-card-1 .sl-icon, .grad-card-2 .sl-icon, .grad-card-3 .sl-icon, .grad-card-4 .sl-icon, .grad-card-5 .sl-icon, .grad-card-6 .sl-icon {
    background: rgba(255,255,255,0.2) !important; color: #fff !important;
  }
  .grad-card-1 .sl-title, .grad-card-2 .sl-title, .grad-card-3 .sl-title, .grad-card-4 .sl-title, .grad-card-5 .sl-title, .grad-card-6 .sl-title { color: #fff !important; }
  .grad-card-1 .sl-desc, .grad-card-2 .sl-desc, .grad-card-3 .sl-desc, .grad-card-4 .sl-desc, .grad-card-5 .sl-desc, .grad-card-6 .sl-desc { color: rgba(255,255,255,0.9) !important; }
  .grad-card-1 .sl-arrow, .grad-card-2 .sl-arrow, .grad-card-3 .sl-arrow, .grad-card-4 .sl-arrow, .grad-card-5 .sl-arrow, .grad-card-6 .sl-arrow { color: #fff !important; }
}

/* ============================================================
   DESK SECTION & CARDS
   ============================================================ */
.desk-section {
  padding: 80px 0;
  position: relative;
  z-index: 2; /* appear above hero negative margin */
}
.desk-section-header {
  text-align: center; margin-bottom: 40px;
}
.desk-section-badge {
  display: inline-block; padding: 6px 14px;
  background: rgba(91, 66, 243, 0.1);
  color: var(--primary);
  border-radius: 100px;
  font-size: .85rem; font-weight: 700;
  margin-bottom: 12px;
}
.desk-section-title { font-weight: 800; color: var(--text); font-size: 2rem; letter-spacing: -0.5px;}
.desk-section-sub { color: var(--text-muted); font-size: 1.05rem; max-width: 500px; margin: 0 auto; }

.desk-card {
  display: flex; flex-direction: row; align-items: center;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-decoration: none; color: inherit;
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.05);
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}
.desk-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.08);
  border-color: var(--desk-color);
}
.desk-avatar-wrapper {
  position: relative; width: 60px; height: 60px; margin: 0 16px 0 0; flex-shrink: 0;
}
.desk-avatar-ring {
  width: 100%; height: 100%;
  border-radius: 50%;
  padding: 2px;
  background: linear-gradient(135deg, var(--desk-color), transparent);
}
.desk-avatar {
  width: 100%; height: 100%; border-radius: 50%; object-fit: cover;
  border: 2px solid #fff; background: #fff;
}
.desk-online-badge {
  position: absolute; bottom: 0; right: 0;
  color: var(--success); font-size: 14px;
  background: #fff; border-radius: 50%;
  width: 16px; height: 16px; display:flex; align-items:center; justify-content:center;
}
.desk-card-body {
  flex: 1; display: flex; flex-direction: column; text-align: left;
}
.desk-name {
  font-weight: 700; font-size: 1.05rem; margin-bottom: 2px; color: var(--text);
  transition: color 0.3s ease;
}
.desk-card:hover .desk-name { color: var(--desk-color); }
.desk-desc {
  font-size: 0.8rem; color: var(--text-muted); line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.desk-status {
  font-size: .75rem; color: var(--text-muted); display: flex; align-items: center; gap: 6px;
}
.desk-status-dot {
  width: 8px; height: 8px; border-radius: 50%; background: #22c55e; display: inline-block; animation: pulse 2s infinite;
}
.desk-cta-icon {
  width: 40px; height: 40px; border-radius: 50%;
  background: color-mix(in srgb, var(--desk-color) 10%, transparent);
  color: var(--desk-color);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; margin-left: 12px; flex-shrink: 0;
  transition: all 0.3s ease;
}
.desk-card:hover .desk-cta-icon {
  background: var(--desk-color); color: #fff; transform: scale(1.1);
}

/* ============================================================
   SLIDE-IN CHAT PANEL
   ============================================================ */

/* Backdrop */
.chat-overlay-backdrop {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, .5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s ease, visibility .35s ease;
}
.chat-overlay-backdrop.open {
  opacity: 1;
  visibility: visible;
}

/* Panel */
.chat-slide-panel {
  position: fixed;
  top: 0; right: 0;
  width: 460px; max-width: 92vw;
  height: 100vh; height: 100dvh;
  background: var(--bg-card);
  z-index: 1050;
  display: flex; flex-direction: column;
  box-shadow: -8px 0 40px rgba(0,0,0,.15);
  transform: translateX(100%);
  transition: transform .4s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
}
.chat-slide-panel.open {
  transform: translateX(0);
}

/* Panel header */
.chat-panel-header {
  padding: 20px 24px;
  background: linear-gradient(135deg, var(--primary), #6366f1);
  color: #fff;
  display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0;
}
.chat-panel-icon {
  width: 44px; height: 44px;
  background: rgba(255,255,255,.2);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.chat-panel-title {
  font-size: 1.15rem; font-weight: 700;
  margin: 0; line-height: 1.3;
}
.chat-panel-sub {
  font-size: .8rem; margin: 0;
  opacity: .85;
}
.chat-panel-close {
  background: rgba(255,255,255,.15);
  border: none; color: #fff;
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  transition: background .2s ease, transform .2s ease;
}
.chat-panel-close:hover {
  background: rgba(255,255,255,.3);
  transform: rotate(90deg);
}

/* Panel body */
.chat-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

/* Desk badge inside panel */
.chat-panel-desk-badge {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  border-radius: 12px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border: 1px solid #bfdbfe;
  font-size: .9rem; font-weight: 500;
  margin-bottom: 20px;
  color: var(--text);
}
.chat-panel-desk-badge.warning {
  background: linear-gradient(135deg, #fffbeb, #fef3c7);
  border-color: #fde68a;
  color: #92400e;
}

/* Form fields */
.chat-panel-fields {
  display: flex; flex-direction: column;
  gap: 18px;
}
.chat-panel-field .form-label {
  font-weight: 600; font-size: .88rem;
  margin-bottom: 6px;
}
.chat-panel-field .form-control,
.chat-panel-fields .form-control {
  border-radius: 12px;
  border: 1.5px solid var(--border);
  padding: .65rem 1rem;
  transition: border-color .25s ease, box-shadow .25s ease;
  font-size: .95rem;
}
.chat-panel-field .form-control:focus,
.chat-panel-fields .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,.12);
}
.chat-panel-fields .input-group-text {
  border-radius: 12px 0 0 12px;
  border: 1.5px solid var(--border);
  border-right: none;
  background: #f8fafc;
}
.chat-panel-fields .input-group .form-control {
  border-radius: 0 12px 12px 0;
}

/* Submit button inside panel */
.chat-slide-panel .btn-start-chat {
  margin-top: 6px;
}

/* Form styles (shared) */
.form-label { font-weight: 500; font-size: .9rem; }
.btn-start-chat {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
  border: none;
  border-radius: 14px;
  padding: .8rem 2rem;
  font-weight: 600;
  font-size: 1rem;
  width: 100%;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(26,86,219,.3);
  cursor: pointer;
}
.btn-start-chat:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,86,219,.4);
  color: #fff;
}
.btn-start-chat:disabled {
  opacity: .7; transform: none;
}

/* ============================================================
   CHAT ROOM
   ============================================================ */
.chat-room-page { min-height: 100vh; display: flex; flex-direction: column; }
.chat-room-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 860px;
  margin: 24px auto;
  width: 100%;
  padding: 0 12px;
}
.chat-header {
  background: var(--bg-card);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-bottom: none;
  display: flex; align-items: center; gap: 12px;
}
.chat-header-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.2rem;
  flex-shrink: 0;
}
.chat-header-info { flex: 1; }
.chat-header-title { font-weight: 700; font-size: 1rem; }
.chat-header-sub { font-size: .8rem; color: var(--text-muted); }
.chat-status-bar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: none; border-bottom: none;
  padding: 8px 20px;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-size: .82rem;
}
.chat-messages-box {
  flex: 1;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-top: none; border-bottom: none;
  overflow-y: auto;
  padding: 16px;
  min-height: 380px;
  max-height: 55vh;
  scroll-behavior: smooth;
}
.chat-input-area {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 2px solid var(--primary);
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 14px 16px;
  overflow: visible; /* allow emoji picker popup to overflow */
}
/* Reply Bar (di atas input, saat akan membalas) */
.reply-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-main);
  border-left: 3px solid var(--primary);
  border-radius: 8px;
  padding: 8px 12px;
  margin-bottom: 10px;
  font-size: .82rem;
  animation: slideIn .15s ease;
}
.reply-bar-name  { font-weight: 700; color: var(--primary); margin-bottom: 2px; }
.reply-bar-text  { color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 260px; }
.reply-bar-close { margin-left: auto; background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 1rem; flex-shrink: 0; }
.reply-bar-close:hover { color: var(--text); }

/* Reply Quote inside bubble */
.bubble-reply-quote {
  background: rgba(0,0,0,.06);
  border-left: 3px solid rgba(0,0,0,.25);
  border-radius: 6px;
  padding: 6px 10px;
  margin-bottom: 6px;
  font-size: .78rem;
  cursor: pointer;
}
.from-visitor .bubble-reply-quote {
  background: rgba(255,255,255,.18);
  border-left-color: rgba(255,255,255,.5);
}
.bubble-reply-quote-name { font-weight: 700; margin-bottom: 2px; }
.bubble-reply-quote-text { opacity: .85; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 240px; }

/* Reply hover button on bubble */
.chat-bubble-wrap:hover .bubble-reply-btn,
.chat-bubble-wrap:focus-within .bubble-reply-btn {
  opacity: 1;
}
.bubble-reply-btn {
  opacity: 0;
  align-self: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: all .15s;
  flex-shrink: 0;
  margin: 0 4px;
}
.bubble-reply-btn:hover { color: var(--primary); border-color: var(--primary); background: #eff6ff; }


.chat-bubble-wrap {
  display: flex;
  margin-bottom: 12px;
  animation: slideIn .2s ease;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.chat-bubble-wrap.from-visitor { justify-content: flex-end; }
.chat-bubble-wrap.from-admin   { justify-content: flex-start; }
.chat-bubble-wrap.from-system  { justify-content: center; }

.chat-bubble {
  max-width: 72%;
  border-radius: 14px;
  padding: 10px 14px;
  font-size: .9rem;
  word-break: break-word;
  position: relative;
}
.from-visitor .chat-bubble {
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.from-admin .chat-bubble {
  background: #f1f5f9;
  color: var(--text);
  border: 1px solid #e2e8f0;
  border-bottom-left-radius: 4px;
  box-shadow: 0 1px 2px rgba(0,0,0,.05);
}
.from-system .chat-bubble {
  background: #fef9e7;
  color: #856404;
  border: 1px solid #fde68a;
  font-size: .82rem;
  border-radius: 100px;
  padding: 6px 16px;
  max-width: 90%;
  text-align: center;
}
.bubble-text {
  display: inline;
}
/* Ghost element to ensure text wraps before hitting the time */
.bubble-text::after {
  content: '';
  display: inline-block;
  width: 58px; /* space for time and checkmark */
  height: 1px;
}
.bubble-meta {
  position: absolute;
  bottom: 6px;
  right: 12px;
  font-size: .68rem;
  opacity: .75;
  display: flex; 
  align-items: center; 
  gap: 4px;
}
.from-visitor .bubble-meta { color: rgba(255,255,255,.9); }
.from-admin .bubble-meta { color: var(--text-muted); }

/* Read indicator */
.read-check { font-size: .75rem; }
.read-check.read { color: #fff; }

/* Attachment in bubble */
.bubble-attachment {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.15);
  border-radius: 8px;
  padding: 8px 10px;
  margin-top: 6px;
  margin-bottom: 14px; /* Space for absolute time */
  text-decoration: none;
  color: inherit;
  font-size: .82rem;
  border: 1px solid rgba(255,255,255,.2);
  transition: background var(--transition);
}
.chat-bubble img {
  margin-bottom: 14px; /* Space for absolute time */
}
.from-admin .bubble-attachment {
  background: var(--bg-main);
  border-color: var(--border);
  color: var(--text);
}
.bubble-attachment:hover { opacity: .85; color: inherit; }

/* Typing indicator */
.typing-indicator {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 14px;
}
.typing-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typingBounce .9s ease infinite;
}
.typing-dot:nth-child(2) { animation-delay: .15s; }
.typing-dot:nth-child(3) { animation-delay: .3s; }
@keyframes typingBounce {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* Chat input */
.chat-input-row {
  display: flex; gap: 8px; align-items: flex-end;
  position: relative;
}
.chat-text-input {
  flex: 1;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: .92rem;
  resize: none;
  max-height: 120px;
  min-height: 44px;
  transition: border-color var(--transition);
  font-family: inherit;
  line-height: 1.5;
}
.chat-text-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,.1);
}
.btn-send {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; border: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: all var(--transition);
  cursor: pointer;
}
.btn-send:hover { transform: scale(1.08); }
.btn-send:disabled { opacity: .5; transform: none; cursor: not-allowed; }
.btn-attach {
  width: 44px; height: 44px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-attach:hover { border-color: var(--primary); color: var(--primary); }

/* Emoji Picker Popup */
.emoji-picker-popup {
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  left: auto;
  z-index: 9999;
  border-radius: 16px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 12px 40px rgba(0,0,0,.18), 0 2px 8px rgba(0,0,0,.08);
  animation: emojiPopIn .15s ease;
}
@keyframes emojiPopIn {
  from { opacity: 0; transform: scale(.92) translateY(8px); }
  to   { opacity: 1; transform: scale(1)  translateY(0); }
}
emoji-picker {
  --border-radius: 16px;
  --background: #fff;
  --button-active-background: #f1f5f9;
  --button-hover-background: #f8fafc;
  --emoji-size: 1.3rem;
  --input-border-color: #e2e8f0;
  --input-font-color: #0f172a;
  height: 340px;
  width: 320px;
}

/* Waiting overlay */
.chat-waiting-overlay {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 48px 24px; text-align: center;
}
.waiting-spinner {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}

/* ============================================================
   IFRAME BOTTOM SHEET PANEL
   ============================================================ */
.iframe-overlay-backdrop {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, .5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0; visibility: hidden;
  transition: opacity .35s ease, visibility .35s ease;
}
.iframe-overlay-backdrop.open { opacity: 1; visibility: visible; }

.iframe-slide-panel {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  width: 100%;
  height: 90vh; height: 90dvh;
  background: var(--bg-card);
  z-index: 1050;
  display: flex; flex-direction: column;
  box-shadow: 0 -8px 40px rgba(0,0,0,.15);
  transform: translateY(100%);
  transition: transform .4s cubic-bezier(.4,0,.2,1);
  border-radius: 24px 24px 0 0;
  overflow: hidden;
}
@media (min-width: 768px) {
  .iframe-slide-panel {
    width: 90%;
    left: 5%; right: auto;
    margin-left: 0;
  }
}
.iframe-slide-panel.open { transform: translateY(0); }

.iframe-panel-header {
  padding: 18px 24px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0;
}
.iframe-panel-title { font-size: 1.1rem; font-weight: 700; margin: 0; color: var(--text); }
.iframe-panel-close {
  background: #f1f5f9;
  border: none; color: var(--text-muted);
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all .2s;
}
.iframe-panel-close:hover { background: #e2e8f0; color: var(--danger); transform: rotate(90deg); }

.iframe-panel-body {
  flex: 1;
  padding: 0;
  background: #f8fafc;
  position: relative;
}
.iframe-panel-body iframe {
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
  width: 100%; height: 100%; 
  border: none; display: block;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 576px) {
  .chat-room-wrapper { margin: 0; padding: 0; }
  .chat-header { border-radius: 0; }
  .chat-input-area { border-radius: 0; }
  .chat-messages-box { max-height: 50vh; }
  .chat-bubble { max-width: 85%; }
  .chat-form-card { padding: 24px 20px; }
  .hero-section { padding: 50px 0 40px; }
}

/* ============================================================
   UTILITIES
   ============================================================ */
.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.card-hover {
  transition: transform var(--transition), box-shadow var(--transition);
}
.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.scroll-fade { animation: fadeUp .4s ease; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}