/* Grader Chatbot v2 — by ClickThrus */
:root {
  --grader-red: #ED1C24;
  --grader-red-dark: #c9151c;
  --grader-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ── Launcher ──────────────────────────────────────────────── */
#grader-launcher {
  position: fixed;
  z-index: 999998;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--grader-red);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  line-height: 1;
  color: #fff;
  transition: transform 0.2s, box-shadow 0.2s;
}
#grader-launcher:not(.grader-open) {
  animation: graderPulse 2.8s ease-in-out infinite;
}
@keyframes graderPulse {
  0%,100% { box-shadow: 0 4px 20px rgba(237,28,36,.5), 0 0 0 0 rgba(237,28,36,.4); }
  50%      { box-shadow: 0 6px 28px rgba(237,28,36,.6), 0 0 0 14px rgba(237,28,36,0); }
}
#grader-launcher:hover { transform: scale(1.1); }
#grader-launcher .grader-close-icon { display:none; font-size:22px; font-weight:700; }
#grader-launcher.grader-open .grader-emoji-icon { display:none; }
#grader-launcher.grader-open .grader-close-icon { display:block; }
#grader-launcher.grader-open { animation: none; box-shadow: 0 4px 20px rgba(237,28,36,.45); }

#grader-launcher .grader-badge {
  position:absolute; top:-3px; right:-3px;
  background:#111; color:#fff;
  width:20px; height:20px; border-radius:50%;
  font-size:11px; font-weight:700;
  display:none; align-items:center; justify-content:center;
  border:2px solid #fff;
}
#grader-launcher .grader-badge.grader-visible { display:flex; }

/* ── Panel ─────────────────────────────────────────────────── */
#grader-panel {
  position: fixed;
  z-index: 999999;
  background: #f5f5f5;
  border-radius: 16px;
  box-shadow: 0 8px 48px rgba(0,0,0,0.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: var(--grader-font);
  opacity: 0;
  transform: translateY(16px) scale(0.96);
  pointer-events: none;
  transition: opacity .22s ease, transform .22s ease;
}
#grader-panel.grader-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

/* Inline / shortcode */
.grader-inline #grader-panel {
  position:relative; bottom:auto; right:auto; left:auto; top:auto;
  width:100% !important; opacity:1; transform:none; pointer-events:all;
}
.grader-inline #grader-launcher { display:none; }

/* ── Header ─────────────────────────────────────────────────── */
#grader-header {
  background: var(--grader-red);
  color: #fff;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  gap: 8px;
}
#grader-header-left {
  display:flex; align-items:center; gap:8px; min-width:0; flex:1;
}
#grader-logo {
  height:24px; width:auto; object-fit:contain;
  filter:brightness(0) invert(1); flex-shrink:0;
}
#grader-divider { width:1px; height:22px; background:rgba(255,255,255,.3); flex-shrink:0; }
#grader-agent   { display:flex; align-items:center; gap:6px; min-width:0; }
#grader-avatar  {
  width:30px; height:30px; background:rgba(255,255,255,.15);
  border-radius:50%; display:flex; align-items:center; justify-content:center;
  font-size:17px; flex-shrink:0;
}
#grader-agent-info h3 {
  margin:0; font-size:13px; font-weight:700; letter-spacing:.05em;
  text-transform:uppercase; line-height:1.2; color:#fff;
}
#grader-agent-info p { margin:0; font-size:10px; color:rgba(255,255,255,.7); }
#grader-header-actions { display:flex; align-items:center; gap:6px; flex-shrink:0; }
#grader-call-btn {
  display:flex; align-items:center; gap:4px;
  background:rgba(255,255,255,.2); border:none; color:#fff;
  border-radius:20px; padding:5px 10px;
  font-size:10px; font-weight:700; letter-spacing:.07em; text-transform:uppercase;
  cursor:pointer; text-decoration:none; transition:background .15s; white-space:nowrap;
}
#grader-call-btn:hover { background:rgba(255,255,255,.32); color:#fff; }
#grader-call-btn svg { width:12px; height:12px; }
#grader-panel-close {
  background:rgba(255,255,255,.15); border:none; color:#fff;
  width:28px; height:28px; border-radius:50%; cursor:pointer;
  font-size:14px; font-weight:700; display:flex; align-items:center; justify-content:center;
  transition:background .15s; flex-shrink:0; line-height:1;
}
#grader-panel-close:hover { background:rgba(255,255,255,.3); }

/* ── Tagline ─────────────────────────────────────────────────── */
#grader-tagline {
  background:#111; color:#fff;
  text-align:center; font-size:9px; font-weight:700;
  letter-spacing:.18em; text-transform:uppercase;
  padding:5px 12px; flex-shrink:0;
}

/* ── Messages ──────────────────────────────────────────────── */
#grader-messages {
  flex:1; overflow-y:auto; padding:14px 12px;
  display:flex; flex-direction:column; gap:10px;
  scroll-behavior:smooth;
}
#grader-messages::-webkit-scrollbar { width:4px; }
#grader-messages::-webkit-scrollbar-thumb { background:#ddd; border-radius:2px; }

.grader-msg { display:flex; animation: graderFadeUp .2s ease; }
@keyframes graderFadeUp {
  from { opacity:0; transform:translateY(6px); }
  to   { opacity:1; transform:translateY(0); }
}
.grader-msg.grader-user      { justify-content:flex-end; }
.grader-msg.grader-assistant { justify-content:flex-start; }

.grader-bubble {
  max-width:84%; padding:10px 14px; border-radius:16px;
  font-size:13.5px; line-height:1.55; word-break:break-word;
  box-shadow:0 1px 3px rgba(0,0,0,.06);
}
.grader-msg.grader-user .grader-bubble {
  background:#111; color:#fff; border-bottom-right-radius:4px;
}
.grader-msg.grader-assistant .grader-bubble {
  background:#fff; color:#111; border:1px solid #eee; border-bottom-left-radius:4px;
}

/* Typing */
#grader-typing {
  display:none; align-items:center; gap:4px;
  padding:10px 14px; background:#fff; border-radius:16px;
  border-bottom-left-radius:4px; border:1px solid #eee;
  width:fit-content; box-shadow:0 1px 3px rgba(0,0,0,.06);
}
#grader-typing.grader-visible { display:flex; }
#grader-typing span {
  width:7px; height:7px; background:#ccc; border-radius:50%;
  animation:graderDot 1.2s infinite;
}
#grader-typing span:nth-child(2) { animation-delay:.15s; }
#grader-typing span:nth-child(3) { animation-delay:.3s; }
@keyframes graderDot {
  0%,60%,100% { transform:translateY(0); opacity:.5; }
  30%          { transform:translateY(-5px); opacity:1; }
}

/* ── Quick actions ─────────────────────────────────────────── */
#grader-quick-actions {
  padding:4px 12px 8px; display:flex; flex-wrap:wrap; gap:6px;
}
#grader-quick-actions.grader-hidden { display:none; }
.grader-chip {
  background:#fff; border:1px solid #e0e0e0; color:#333;
  border-radius:20px; padding:5px 12px; font-size:12px; font-weight:500;
  cursor:pointer; transition:background .15s, border-color .15s;
  font-family:var(--grader-font);
}
.grader-chip:hover { background:#f5f5f5; border-color:#ccc; }

/* ── Enquiry overlay & form ────────────────────────────────── */
#grader-enquiry-overlay {
  position:absolute; inset:0; background:rgba(0,0,0,.2); z-index:10; display:none;
}
#grader-enquiry-overlay.grader-visible { display:block; }
#grader-enquiry-form {
  position:absolute; bottom:0; left:0; right:0; background:#fff;
  border-top-left-radius:16px; border-top-right-radius:16px;
  padding:18px 16px 14px; z-index:11;
  box-shadow:0 -4px 24px rgba(0,0,0,.1);
  transform:translateY(100%); transition:transform .28s cubic-bezier(.4,0,.2,1);
}
#grader-enquiry-form.grader-visible { transform:translateY(0); }
#grader-enquiry-form h4 { margin:0 0 12px; font-size:15px; font-weight:700; color:#111; }
.grader-form-row { margin-bottom:9px; }
.grader-form-row label {
  display:block; font-size:10px; font-weight:700; color:#666;
  margin-bottom:3px; text-transform:uppercase; letter-spacing:.05em;
}
.grader-form-row input, .grader-form-row select, .grader-form-row textarea {
  width:100%; box-sizing:border-box; border:1px solid #e0e0e0;
  border-radius:8px; padding:7px 10px; font-size:13px;
  font-family:var(--grader-font); color:#111; outline:none;
  background:#fafafa; transition:border-color .15s;
}
.grader-form-row input:focus,
.grader-form-row select:focus,
.grader-form-row textarea:focus { border-color:var(--grader-red); background:#fff; }
.grader-form-row textarea { resize:none; height:60px; }
#grader-enquiry-submit {
  width:100%; background:var(--grader-red); color:#fff; border:none;
  border-radius:8px; padding:10px; font-size:14px; font-weight:700;
  cursor:pointer; margin-top:4px; font-family:var(--grader-font);
  transition:background .15s;
}
#grader-enquiry-submit:hover { background:var(--grader-red-dark); }
#grader-enquiry-submit:disabled { opacity:.6; cursor:default; }
#grader-enquiry-close {
  position:absolute; top:14px; right:14px;
  background:none; border:none; font-size:18px; cursor:pointer; color:#888;
}

/* ── Input bar ─────────────────────────────────────────────── */
#grader-input-bar {
  background:#fff; border-top:1px solid #eee;
  padding:10px 12px 8px; flex-shrink:0;
}
#grader-input-row { display:flex; align-items:center; gap:8px; }
#grader-enquiry-btn {
  flex-shrink:0; background:none; border:1px solid #ddd; color:#555;
  border-radius:20px; padding:6px 12px; font-size:12px; font-weight:700;
  text-transform:uppercase; letter-spacing:.06em; cursor:pointer;
  font-family:var(--grader-font); transition:color .15s, border-color .15s;
}
#grader-enquiry-btn:hover { color:var(--grader-red); border-color:var(--grader-red); }
#grader-input-wrap { flex:1; position:relative; }
#grader-input {
  width:100%; box-sizing:border-box; border:1px solid #e0e0e0;
  border-radius:20px; padding:8px 40px 8px 14px; font-size:13px;
  font-family:var(--grader-font); color:#111; outline:none;
  background:#fafafa; transition:border-color .15s;
}
#grader-input:focus { border-color:#bbb; background:#fff; }
#grader-send-btn {
  position:absolute; right:5px; top:50%; transform:translateY(-50%);
  width:30px; height:30px; background:var(--grader-red); border:none;
  border-radius:50%; cursor:pointer; display:flex; align-items:center;
  justify-content:center; transition:background .15s;
}
#grader-send-btn:hover { background:var(--grader-red-dark); }
#grader-send-btn:disabled { opacity:.4; cursor:default; }
#grader-send-btn svg { width:14px; height:14px; fill:none; margin-left:1px; }
#grader-footer {
  text-align:center; padding:4px 0 2px;
  font-size:9px; color:#c0c0c0; font-weight:600;
  letter-spacing:.1em; text-transform:uppercase;
}
#grader-footer a {
  color:#c0c0c0; text-decoration:none; transition:color .15s;
}
#grader-footer a:hover { color:#888; }

/* ── Mobile ────────────────────────────────────────────────── */
@media (max-width:480px) {
  #grader-panel {
    right:0 !important; left:0 !important; bottom:0 !important;
    width:100vw !important; height:100dvh !important;
    border-radius:0; border-top-left-radius:16px; border-top-right-radius:16px;
  }
}