/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:       #0f172a;
  --navy-card:  #1e293b;
  --navy-light: #334155;
  --border:     #334155;
  --accent:     #3b82f6;
  --accent-glow:#1d4ed8;
  --gold:       #f59e0b;
  --text:       #f1f5f9;
  --muted:      #94a3b8;
  --success:    #22c55e;
  --danger:     #ef4444;
  --radius:     12px;
  --radius-sm:  8px;
  --transition: 0.2s ease;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--navy);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* ── Views ────────────────────────────────────────────────────────────────── */
.view { display: none; min-height: 100vh; }
.view.active { display: flex; flex-direction: column; }

/* ── Login ────────────────────────────────────────────────────────────────── */
#view-login {
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 50% 0%, #1e3a5f 0%, var(--navy) 60%);
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: 48px 40px;
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  text-align: center;
}

.login-logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}
.login-logo span { color: var(--accent); }

.login-subtitle {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 36px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.login-label {
  display: block;
  text-align: left;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.login-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color var(--transition);
  margin-bottom: 20px;
}
.login-input:focus { border-color: var(--accent); }

.btn-primary {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.btn-primary:hover { background: var(--accent-glow); }
.btn-primary:active { transform: scale(0.98); }

.login-error {
  margin-top: 14px;
  font-size: 13px;
  color: var(--danger);
  min-height: 18px;
}

@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%,60%  { transform: translateX(-8px); }
  40%,80%  { transform: translateX(8px); }
}
.shake { animation: shake 0.4s ease; }

/* ── Studio / Sector Picker ───────────────────────────────────────────────── */
#view-studio {
  background: radial-gradient(ellipse at 50% -10%, #1a2f4a 0%, var(--navy) 55%);
}

.studio-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--border);
}

.studio-logo { font-size: 18px; font-weight: 700; letter-spacing: -0.3px; }
.studio-logo span { color: var(--accent); }
.studio-badge {
  font-size: 11px;
  color: var(--muted);
  background: var(--navy-card);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.studio-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 32px;
}

.studio-heading {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  text-align: center;
}
.studio-heading span { color: var(--accent); }

.studio-subheading {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 48px;
  text-align: center;
}

.sector-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 780px;
  width: 100%;
}

.sector-card {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  color: inherit;
}
.sector-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(59,130,246,0.15);
}

.sector-emoji { font-size: 36px; margin-bottom: 16px; display: block; }
.sector-name { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.sector-tagline { font-size: 13px; color: var(--muted); line-height: 1.5; }

.studio-footer {
  padding: 20px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

/* ── Chat ─────────────────────────────────────────────────────────────────── */
#view-chat { background: var(--navy); }

.chat-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--navy-card);
}

.chat-back {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.chat-back:hover { color: var(--text); border-color: var(--text); }

.chat-agent-info { flex: 1; }
.chat-agent-name { font-size: 16px; font-weight: 700; }
.chat-agent-meta { font-size: 12px; color: var(--muted); }

.chat-controls { display: flex; gap: 8px; }

.btn-ghost {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text); }
.btn-ghost.active { color: var(--accent); border-color: var(--accent); }

/* Glass panel */
.glass-panel {
  width: 320px;
  min-width: 320px;
  background: var(--navy-card);
  border-left: 1px solid var(--border);
  padding: 24px;
  overflow-y: auto;
  display: none;
  flex-direction: column;
  gap: 20px;
}
.glass-panel.open { display: flex; }

.glass-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 8px;
}
.glass-value { font-size: 13px; color: var(--muted); line-height: 1.6; }

.glass-tag {
  display: inline-block;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.3);
  color: var(--accent);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 6px;
  margin: 3px 3px 0 0;
}

.glass-prompt {
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
  max-height: 240px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.glass-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
}

/* Main chat area */
.chat-main { flex: 1; display: flex; overflow: hidden; }
.chat-area { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.messages::-webkit-scrollbar { width: 6px; }
.messages::-webkit-scrollbar-track { background: transparent; }
.messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.msg {
  display: flex;
  gap: 12px;
  max-width: 72%;
}
.msg.user { align-self: flex-end; flex-direction: row-reverse; }
.msg.assistant { align-self: flex-start; }

.msg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--navy-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.msg.user .msg-avatar { background: var(--accent); border-color: var(--accent); font-size: 14px; font-weight: 700; color: #fff; }

.msg-bubble {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.6;
  max-width: 100%;
}
.msg.assistant .msg-bubble {
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}
.msg.user .msg-bubble {
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 4px;
}

/* ── Booking Card ────────────────────────────────────────────────────────── */
.booking-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 4px 0;
  align-self: flex-start;
  max-width: 80%;
}
.booking-loading {
  background: var(--navy-card);
  border-color: var(--accent);
  animation: pulse-border 1.5s infinite;
}
@keyframes pulse-border {
  0%,100% { border-color: var(--accent); }
  50%      { border-color: var(--navy-light); }
}
.booking-success { background: rgba(34,197,94,0.08); border-color: var(--success); }
.booking-error   { background: rgba(239,68,68,0.08); border-color: var(--danger); }
.booking-icon    { font-size: 22px; flex-shrink: 0; margin-top: 1px; }
.booking-label   { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.booking-detail  { font-size: 12px; color: var(--muted); line-height: 1.5; }
.booking-sending { font-size: 11px; color: var(--accent); margin-top: 6px; }

/* Typing indicator */
.typing-dots { display: flex; gap: 4px; padding: 4px 0; }
.typing-dots span {
  width: 6px; height: 6px;
  background: var(--muted);
  border-radius: 50%;
  animation: bounce 1.2s infinite;
}
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes bounce {
  0%,60%,100% { transform: translateY(0); }
  30% { transform: translateY(-6px); }
}

/* Input area */
.chat-input-wrap {
  padding: 16px 24px 20px;
  border-top: 1px solid var(--border);
  background: var(--navy-card);
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.chat-input {
  flex: 1;
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  padding: 12px 16px;
  resize: none;
  outline: none;
  line-height: 1.5;
  max-height: 120px;
  font-family: inherit;
  transition: border-color var(--transition);
}
.chat-input:focus { border-color: var(--accent); }
.chat-input::placeholder { color: var(--muted); }

.btn-send {
  background: var(--accent);
  border: none;
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
  white-space: nowrap;
  height: 44px;
  align-self: flex-end;
}
.btn-send:hover { background: var(--accent-glow); }
.btn-send:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Attach button ──────────────────────────────────────────────────────── */
.btn-attach {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 18px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color var(--transition), color var(--transition);
  align-self: flex-end;
}
.btn-attach:hover { border-color: var(--accent); color: var(--accent); }

/* ── Upload card (in chat) ─────────────────────────────────────────────── */
.upload-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--navy-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  align-self: flex-end;
  max-width: 72%;
}
.upload-card.uploading { border-color: var(--accent); animation: pulse-border 1.5s infinite; }
.upload-card.done      { border-color: var(--success); background: rgba(34,197,94,0.06); }
.upload-card.error     { border-color: var(--danger);  background: rgba(239,68,68,0.06); }
.upload-icon  { font-size: 22px; flex-shrink: 0; }
.upload-name  { font-size: 13px; font-weight: 600; color: var(--text); }
.upload-meta  { font-size: 11px; color: var(--muted); margin-top: 2px; }