/* ── Receptionist Demo — CSS ──────────────────────────────────── */
:root {
  --black:      #000000;
  --white:      #ffffff;
  --gray-dim:   #a0a0a0;
  --gray-light: #e5e5e5;
  --answer:     #22c55e;
  --decline:    #ef4444;
  --accent:     #6366f1;
  --surface:    rgba(255, 255, 255, 0.04);
  --border:     rgba(255, 255, 255, 0.08);
  --radius-lg:  1.5rem;
  --radius-md:  1rem;
  --radius-sm:  0.5rem;
  --font:       'Inter', system-ui, sans-serif;
  --trans:      0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
  height: 100%;
  font-family: var(--font);
  background: var(--black);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

button { cursor: pointer; font-family: var(--font); border: none; outline: none; }
input  { font-family: var(--font); outline: none; }

/* ── Screen transitions ────────────────────────────────────── */
.active { display: flex !important; }
.hidden { display: none !important; }

.fade-in  { animation: fadeIn  0.5s var(--trans) forwards; }
.fade-out { animation: fadeOut 0.4s var(--trans) forwards; }

@keyframes fadeIn  { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; } }

/* ═══════════════════════════════════════════════════════════
   SCREEN 1 — Incoming Call
══════════════════════════════════════════════════════════ */
.screen-call {
  position: fixed; inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 50% 30%, #1a1a2e 0%, #000 70%);
  z-index: 10;
}

.call-bg-blur {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 20%, rgba(99,102,241,0.15) 0%, transparent 60%);
  pointer-events: none;
}

.call-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  z-index: 2;
  padding: 2rem;
  text-align: center;
}

/* Avatar rings */
.avatar-ring {
  position: relative;
  width: 140px; height: 140px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.5rem;
}

.avatar-pulse {
  position: absolute;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.15);
  animation: pulse-ring 2.5s ease-out infinite;
}
.ring-1 { width: 140px; height: 140px; animation-delay: 0s; }
.ring-2 { width: 110px; height: 110px; animation-delay: 0.4s; }
.ring-3 { width:  80px; height:  80px; animation-delay: 0.8s; }

@keyframes pulse-ring {
  0%   { transform: scale(0.9); opacity: 0.7; }
  70%  { transform: scale(1.2); opacity: 0; }
  100% { opacity: 0; }
}

.avatar-core {
  position: relative;
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #818cf8);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 40px rgba(99,102,241,0.5);
  z-index: 2;
}

.avatar-initials {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--white);
}

/* Caller info */
.caller-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--accent);
  text-transform: uppercase;
}

.caller-name {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1;
}

.caller-sub {
  font-size: 0.9rem;
  color: var(--gray-dim);
  letter-spacing: 0.5px;
}

/* Call timer */
.call-timer {
  font-size: 0.95rem;
  color: var(--answer);
  letter-spacing: 2px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* Action buttons */
.call-actions {
  display: flex;
  gap: 4rem;
  margin-top: 1rem;
}

.btn-answer, .btn-decline {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  background: transparent;
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: transform var(--trans);
}

.btn-answer svg, .btn-decline svg {
  width: 64px; height: 64px;
  border-radius: 50%;
  padding: 18px;
  transition: box-shadow var(--trans), transform var(--trans);
}

.btn-answer svg {
  background: var(--answer);
  stroke: var(--white);
  box-shadow: 0 0 30px rgba(34,197,94,0.4);
}

.btn-decline svg {
  background: var(--decline);
  stroke: var(--white);
  box-shadow: 0 0 30px rgba(239,68,68,0.4);
}

.btn-answer:hover svg { transform: scale(1.1); box-shadow: 0 0 50px rgba(34,197,94,0.6); }
.btn-decline:hover svg { transform: scale(1.1); box-shadow: 0 0 50px rgba(239,68,68,0.6); }

/* ═══════════════════════════════════════════════════════════
   SCREEN 2 — Chat UI
══════════════════════════════════════════════════════════ */
.screen-chat {
  position: fixed; inset: 0;
  display: none;
  flex-direction: column;
  background: #0a0a0a;
  z-index: 10;
}

/* Header */
.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  flex-shrink: 0;
}

.chat-agent-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.agent-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--answer);
  box-shadow: 0 0 8px var(--answer);
  flex-shrink: 0;
}
.agent-dot.large { width: 14px; height: 14px; }

.chat-agent-info strong { font-size: 1rem; font-weight: 700; }

.agent-status {
  display: block;
  font-size: 0.75rem;
  color: var(--gray-dim);
  margin-top: 1px;
}

.chat-controls { display: flex; gap: 0.75rem; }

.ctrl-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--surface);
  color: var(--gray-dim);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--trans), color var(--trans);
}
.ctrl-btn svg { width: 16px; height: 16px; }
.ctrl-btn:hover { background: rgba(255,255,255,0.08); color: var(--white); }
.ctrl-btn.active { background: var(--accent); color: var(--white); }

.ctrl-end:hover { background: rgba(239,68,68,0.2); color: var(--decline); }

/* Chatbox */
.chatbox {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  scroll-behavior: smooth;
}
.chatbox::-webkit-scrollbar { width: 4px; }
.chatbox::-webkit-scrollbar-track { background: transparent; }
.chatbox::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

/* Message bubbles */
.msg {
  max-width: min(80%, 480px);
  padding: 0.85rem 1.1rem;
  border-radius: 1.2rem;
  font-size: 0.95rem;
  line-height: 1.5;
  animation: fadeIn 0.3s ease forwards;
}

.msg.bot {
  align-self: flex-start;
  background: rgba(255,255,255,0.06);
  border-bottom-left-radius: 4px;
  color: var(--white);
}

.msg.user {
  align-self: flex-end;
  background: var(--accent);
  border-bottom-right-radius: 4px;
  color: var(--white);
}

.msg.system {
  align-self: center;
  background: transparent;
  color: var(--gray-dim);
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  padding: 0.4rem 1rem;
}

/* Typing indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0.5rem 1.5rem;
}
.typing-indicator span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gray-dim);
  animation: bounce 1.2s infinite ease-in-out;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.15s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.3s; }

@keyframes bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30%            { transform: translateY(-6px); }
}

/* Input area */
.chat-input-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  background: rgba(10,10,10,0.95);
  flex-shrink: 0;
}

.chat-input {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 2rem;
  padding: 0.8rem 1.2rem;
  color: var(--white);
  font-size: 0.95rem;
  transition: border-color var(--trans), background var(--trans);
}
.chat-input::placeholder { color: rgba(255,255,255,0.2); }
.chat-input:focus { border-color: rgba(99,102,241,0.5); background: rgba(255,255,255,0.07); }

.send-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: background var(--trans), transform var(--trans);
}
.send-btn svg { width: 18px; height: 18px; }
.send-btn:hover { background: #818cf8; transform: scale(1.05); }
.send-btn:active { transform: scale(0.95); }

/* ═══════════════════════════════════════════════════════════
   SCREEN 3 — Lead Capture
══════════════════════════════════════════════════════════ */
.screen-lead {
  position: fixed; inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.97);
  z-index: 20;
  padding: 1rem;
}

.lead-card {
  width: 100%;
  max-width: 440px;
  background: #111;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  animation: fadeIn 0.4s ease forwards;
}

.lead-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.lead-header h2 { font-size: 1.4rem; font-weight: 700; }
.lead-header p  { font-size: 0.85rem; color: var(--gray-dim); margin-top: 4px; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.form-group input {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  color: var(--white);
  font-size: 0.95rem;
  transition: border-color var(--trans);
}
.form-group input:focus   { border-color: rgba(99,102,241,0.6); }
.form-group input::placeholder { color: rgba(255,255,255,0.18); }

.form-error {
  font-size: 0.82rem;
  color: var(--decline);
  margin-bottom: 0.75rem;
}

/* ═══════════════════════════════════════════════════════════
   SCREEN 4 — Booking
══════════════════════════════════════════════════════════ */
.screen-booking {
  position: fixed; inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.97);
  z-index: 20;
  padding: 1rem;
  overflow-y: auto;
}

.booking-card {
  width: 100%;
  max-width: 480px;
  background: #111;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  animation: fadeIn 0.4s ease forwards;
}

.booking-card h2   { font-size: 1.4rem; font-weight: 700; margin-bottom: 0.5rem; }
.booking-sub       { font-size: 0.85rem; color: var(--gray-dim); margin-bottom: 1.5rem; }

.slot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.slot-btn {
  padding: 0.8rem 0.5rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
  transition: border-color var(--trans), background var(--trans);
}
.slot-btn:hover   { border-color: rgba(99,102,241,0.5); background: rgba(99,102,241,0.1); }
.slot-btn.selected {
  border-color: var(--accent);
  background: rgba(99,102,241,0.2);
  color: #c7d2fe;
}

.booking-note { font-size: 0.85rem; color: var(--answer); margin-bottom: 0.75rem; }

/* ═══════════════════════════════════════════════════════════
   SCREEN 5 — Confirmation
══════════════════════════════════════════════════════════ */
.screen-confirm {
  position: fixed; inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.97);
  z-index: 20;
  padding: 1rem;
}

.confirm-card {
  width: 100%;
  max-width: 420px;
  background: #111;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  text-align: center;
  animation: fadeIn 0.4s ease forwards;
}

.confirm-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: rgba(34,197,94,0.15);
  border: 2px solid var(--answer);
  color: var(--answer);
  font-size: 2rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.5rem;
  animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes popIn {
  0%   { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.confirm-card h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 0.75rem; }
.confirm-card p  { color: var(--gray-dim); font-size: 0.95rem; line-height: 1.6; }

/* ═══════════════════════════════════════════════════════════
   Shared — Submit button
══════════════════════════════════════════════════════════ */
.submit-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.5rem;
  background: var(--accent);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  border: none;
  transition: background var(--trans), transform var(--trans);
}
.submit-btn svg   { width: 16px; height: 16px; }
.submit-btn:hover { background: #818cf8; }
.submit-btn:active { transform: scale(0.98); }
.submit-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 480px) {
  .caller-name { font-size: 2.5rem; }
  .call-actions { gap: 2.5rem; }
  .lead-card, .booking-card, .confirm-card { padding: 1.75rem; }
  .slot-grid { grid-template-columns: 1fr; }
}