/* ── FlightAgent AI v2 ────────────────────────────────────────────────────── */

:root {
  --fa-bg0:      #07090f;
  --fa-bg1:      #0c1120;
  --fa-bg2:      #111828;
  --fa-bg3:      #161f30;
  --fa-border:   rgba(255,255,255,0.07);
  --fa-border2:  rgba(255,255,255,0.12);
  --fa-text:     #dde4f0;
  --fa-text2:    #7a8faa;
  --fa-text3:    #3a4f6a;
  --fa-blue:     #2563eb;
  --fa-blue2:    #60a5fa;
  --fa-green:    #34d399;
  --fa-amber:    #fbbf24;
  --fa-red:      #f87171;
  --fa-font:     'Cabinet Grotesk', sans-serif;
  --fa-mono:     'JetBrains Mono', monospace;
  --fa-r:        12px;
  --fa-sidebar:  280px;
}

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

/* ── Root container ──────────────────────────────────────────────────────── */

.fa-wrap {
  font-family: var(--fa-font);
  background: var(--fa-bg0);
  color: var(--fa-text);
  display: flex;
  height: 78vh;
  min-height: 560px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7), 0 0 0 1px var(--fa-border2);
  position: relative;
}

.fa-wrap.fa-fullpage {
  height: 100vh;
  min-height: unset;
  border-radius: 0;
}

/* ── Sidebar ─────────────────────────────────────────────────────────────── */

.fa-sidebar {
  width: var(--fa-sidebar);
  flex-shrink: 0;
  background: var(--fa-bg1);
  border-right: 1px solid var(--fa-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width 0.3s ease, opacity 0.3s ease;
}

.fa-sidebar.collapsed {
  width: 0;
  opacity: 0;
  pointer-events: none;
}

.fa-sidebar-top { flex: 1; overflow-y: auto; padding: 20px 16px; scrollbar-width: thin; scrollbar-color: #1e2d4a transparent; }
.fa-sidebar-bottom { padding: 14px 16px; border-top: 1px solid var(--fa-border); }

/* Brand */
.fa-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.fa-brand-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--fa-blue), #1d4ed8);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0;
}
.fa-brand-name { font-size: 15px; font-weight: 900; color: #fff; letter-spacing: -0.3px; }
.fa-brand-name em { color: var(--fa-blue2); font-style: normal; }
.fa-brand-sub { font-size: 10px; color: var(--fa-text3); letter-spacing: 0.5px; }

/* Agent card */
.fa-agent-card {
  background: var(--fa-bg2);
  border: 1px solid var(--fa-border);
  border-radius: var(--fa-r);
  padding: 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 16px;
}
.fa-agent-avatar { position: relative; flex-shrink: 0; }
.fa-avatar-emoji {
  font-size: 28px;
  display: block;
  width: 44px; height: 44px;
  background: var(--fa-bg3);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--fa-border2);
}
.fa-online-dot {
  position: absolute; bottom: 2px; right: 2px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--fa-green);
  border: 2px solid var(--fa-bg1);
}
.fa-agent-name { font-size: 14px; font-weight: 700; color: #fff; }
.fa-agent-role { font-size: 11px; color: var(--fa-text2); margin-top: 1px; }
.fa-agent-status { font-size: 11px; color: var(--fa-green); margin-top: 4px; display: flex; align-items: center; gap: 5px; }
.fa-status-ring {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--fa-green);
  box-shadow: 0 0 6px var(--fa-green);
}

/* Capabilities */
.fa-cap-title { font-size: 10px; font-weight: 700; color: var(--fa-text3); letter-spacing: 1.2px; text-transform: uppercase; margin-bottom: 8px; }
.fa-capabilities { margin-bottom: 16px; }
.fa-capabilities ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.fa-capabilities li { font-size: 12px; color: var(--fa-text2); line-height: 1.5; }
.fa-capabilities li small { font-size: 10.5px; color: var(--fa-text3); display: block; }

/* Example prompts */
.fa-examples { margin-bottom: 8px; }
.fa-example {
  font-size: 12px;
  color: var(--fa-text2);
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--fa-border);
  margin-bottom: 6px;
  cursor: pointer;
  line-height: 1.4;
  transition: all 0.2s;
}
.fa-example:hover { border-color: var(--fa-blue); color: var(--fa-blue2); background: rgba(37,99,235,0.05); }

/* Model picker */
.fa-model-picker { display: flex; flex-direction: column; gap: 6px; }
.fa-model-label { font-size: 10px; color: var(--fa-text3); letter-spacing: 1px; text-transform: uppercase; }
.fa-sel-provider,
.fa-sel-model {
  background: var(--fa-bg0);
  border: 1px solid var(--fa-border2);
  color: var(--fa-text);
  border-radius: 8px;
  padding: 7px 10px;
  font-family: var(--fa-font);
  font-size: 12px;
  outline: none;
  cursor: pointer;
  width: 100%;
}
.fa-sel-provider:focus, .fa-sel-model:focus { border-color: var(--fa-blue); }

/* ── Main area ───────────────────────────────────────────────────────────── */

.fa-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--fa-bg0);
}

/* Top bar */
.fa-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--fa-border);
  flex-shrink: 0;
  background: var(--fa-bg1);
  gap: 12px;
}
.fa-topbar-left { display: flex; align-items: center; gap: 10px; }
.fa-menu-btn {
  background: transparent; border: 1px solid var(--fa-border);
  color: var(--fa-text2); width: 32px; height: 32px;
  border-radius: 8px; cursor: pointer; font-size: 14px;
  transition: all 0.2s; flex-shrink: 0;
}
.fa-menu-btn:hover { border-color: var(--fa-blue); color: var(--fa-blue2); }
.fa-topbar-avatar { font-size: 22px; }
.fa-topbar-name { font-size: 14px; font-weight: 700; color: #fff; }
.fa-model-badge {
  display: inline-block;
  font-size: 10px; font-weight: 500;
  background: rgba(37,99,235,0.15);
  color: var(--fa-blue2);
  padding: 1px 7px; border-radius: 20px;
  border: 1px solid rgba(37,99,235,0.25);
  margin-left: 6px;
  vertical-align: middle;
}
.fa-topbar-sub { font-size: 11px; color: var(--fa-text3); margin-top: 1px; }
.fa-typing-status { color: var(--fa-green); }
.fa-typing-status.typing { color: var(--fa-amber); }
.fa-clear-btn {
  background: transparent; border: 1px solid var(--fa-border);
  color: var(--fa-text2); padding: 6px 14px;
  border-radius: 8px; cursor: pointer; font-size: 12px;
  font-family: var(--fa-font); transition: all 0.2s;
}
.fa-clear-btn:hover { border-color: var(--fa-border2); color: var(--fa-text); }

/* Messages area */
.fa-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  scrollbar-width: thin;
  scrollbar-color: #1e2d4a transparent;
}
.fa-messages::-webkit-scrollbar { width: 4px; }
.fa-messages::-webkit-scrollbar-thumb { background: #1e2d4a; border-radius: 4px; }

/* ── Message bubbles ─────────────────────────────────────────────────────── */

.fa-msg { display: flex; gap: 10px; animation: fa-in 0.3s ease; }

.fa-msg-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--fa-bg2); border: 1px solid var(--fa-border2);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; flex-shrink: 0; margin-top: 2px;
}

.fa-msg-body { max-width: 72%; }

.fa-msg.user { flex-direction: row-reverse; }
.fa-msg.user .fa-msg-body { align-items: flex-end; display: flex; flex-direction: column; }

.fa-bubble {
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}

.fa-msg.agent .fa-bubble {
  background: var(--fa-bg2);
  border: 1px solid var(--fa-border);
  border-radius: 4px 16px 16px 16px;
  color: var(--fa-text);
}

.fa-msg.user .fa-bubble {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  border-radius: 16px 4px 16px 16px;
}

.fa-msg-meta { font-size: 10px; color: var(--fa-text3); margin-top: 5px; padding: 0 2px; }

/* Typing indicator */
.fa-typing-bubble {
  background: var(--fa-bg2);
  border: 1px solid var(--fa-border);
  border-radius: 4px 16px 16px 16px;
  padding: 14px 18px;
  display: inline-flex;
  gap: 5px;
  align-items: center;
}
.fa-typing-bubble span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--fa-text3);
  animation: fa-dot 1.4s ease-in-out infinite;
}
.fa-typing-bubble span:nth-child(2) { animation-delay: 0.2s; }
.fa-typing-bubble span:nth-child(3) { animation-delay: 0.4s; }

/* ── Search activity panel ───────────────────────────────────────────────── */

.fa-search-activity {
  background: var(--fa-bg2);
  border: 1px solid var(--fa-border);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 8px;
  font-size: 12px;
}

.fa-activity-header {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: rgba(37,99,235,0.08);
  border-bottom: 1px solid var(--fa-border);
  color: var(--fa-blue2);
  font-weight: 600; font-size: 11px; letter-spacing: 0.5px;
}

.fa-activity-spinner {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(96,165,250,0.2);
  border-top-color: var(--fa-blue2);
  animation: fa-spin 0.8s linear infinite;
  flex-shrink: 0;
}

.fa-log-lines { padding: 10px 14px; display: flex; flex-direction: column; gap: 5px; }
.fa-log-line { display: flex; gap: 8px; font-family: var(--fa-mono); font-size: 11px; color: var(--fa-text3); }
.fa-log-line .num { color: var(--fa-blue); flex-shrink: 0; }
.fa-log-line .txt { color: #4a6585; }
.fa-log-line .txt.done { color: var(--fa-green); }

.fa-source-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 10px 14px;
  border-top: 1px solid var(--fa-border);
  font-size: 11px; color: var(--fa-text3);
}
.fa-source-badge strong { color: var(--fa-blue2); }

/* ── Flight cards ────────────────────────────────────────────────────────── */

.fa-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.fa-flight-card {
  background: var(--fa-bg0);
  border: 1px solid var(--fa-border);
  border-radius: 12px;
  padding: 14px 16px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  animation: fa-in 0.35s ease forwards;
}
.fa-flight-card:hover { border-color: rgba(37,99,235,0.5); background: var(--fa-bg1); }
.fa-flight-card.selected { border-color: var(--fa-blue); background: rgba(37,99,235,0.06); }

.fa-fc-badge {
  position: absolute; top: 8px; right: 8px;
  font-size: 9px; font-weight: 700; letter-spacing: 1px;
  padding: 2px 8px; border-radius: 20px; text-transform: uppercase;
}
.fa-fc-badge.best { background: rgba(52,211,153,0.12); color: var(--fa-green); border: 1px solid rgba(52,211,153,0.3); }
.fa-fc-badge.np   { background: rgba(251,191,36,0.1);  color: var(--fa-amber); border: 1px solid rgba(251,191,36,0.25); }

.fa-fc-main { display: flex; align-items: center; gap: 12px; }

.fa-fc-left { flex: 1; min-width: 0; }
.fa-fc-airline { font-size: 11px; color: var(--fa-text3); margin-bottom: 3px; }
.fa-fc-times {
  font-size: 20px; font-weight: 900; color: #fff;
  letter-spacing: -0.5px; white-space: nowrap;
}
.fa-fc-arr { color: var(--fa-border2); font-weight: 400; }
.fa-fc-meta { font-size: 11px; color: var(--fa-text3); margin-top: 3px; }

.fa-fc-right { text-align: right; flex-shrink: 0; }
.fa-fc-price {
  font-size: 22px; font-weight: 900;
  letter-spacing: -0.5px; line-height: 1;
}
.fa-fc-price.g { color: var(--fa-green); }
.fa-fc-price.a { color: var(--fa-amber); }
.fa-fc-price.w { color: var(--fa-text); }
.fa-fc-price.c { color: var(--fa-amber); font-size: 13px; font-weight: 600; }
.fa-fc-seats { font-size: 10px; color: var(--fa-text3); margin-top: 3px; }

.fa-fc-expand {
  margin-top: 12px; padding-top: 12px;
  border-top: 1px solid var(--fa-border);
  display: flex; align-items: center; gap: 12px;
}
.fa-btn-book {
  background: var(--fa-blue); color: #fff; border: none;
  padding: 8px 18px; border-radius: 8px; cursor: pointer;
  font-family: var(--fa-font); font-size: 12px; font-weight: 700;
  transition: all 0.2s;
}
.fa-btn-book:hover { background: #1d4ed8; }
.fa-fc-note { font-size: 11px; color: var(--fa-text3); }

/* ── Input bar ───────────────────────────────────────────────────────────── */

.fa-inputbar {
  padding: 16px 20px;
  border-top: 1px solid var(--fa-border);
  flex-shrink: 0;
  background: var(--fa-bg1);
}

.fa-input-wrap { display: flex; gap: 10px; align-items: flex-end; }

.fa-input {
  flex: 1;
  background: var(--fa-bg0);
  border: 1px solid var(--fa-border2);
  color: var(--fa-text);
  border-radius: 12px;
  padding: 12px 16px;
  font-family: var(--fa-font);
  font-size: 14px;
  outline: none;
  resize: none;
  min-height: 46px;
  max-height: 120px;
  line-height: 1.5;
  transition: border-color 0.2s;
  overflow-y: auto;
}
.fa-input:focus { border-color: var(--fa-blue); }
.fa-input::placeholder { color: var(--fa-text3); }

.fa-send-btn {
  width: 46px; height: 46px; border-radius: 12px;
  background: var(--fa-blue);
  border: none; cursor: pointer; color: #fff;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: all 0.2s;
}
.fa-send-btn:hover { background: #1d4ed8; transform: scale(1.04); }
.fa-send-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.fa-input-hint { font-size: 10px; color: var(--fa-text3); margin-top: 7px; }

/* Empty state */
.fa-welcome {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 40px 20px;
  color: var(--fa-text3);
  animation: fa-in 0.5s ease;
}
.fa-welcome-icon { font-size: 52px; margin-bottom: 16px; }
.fa-welcome-title { font-size: 20px; font-weight: 900; color: var(--fa-text); margin-bottom: 8px; }
.fa-welcome-sub { font-size: 14px; line-height: 1.6; max-width: 380px; }

/* ── Animations ──────────────────────────────────────────────────────────── */

@keyframes fa-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fa-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes fa-dot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%            { transform: translateY(-4px); opacity: 1; }
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
  .fa-sidebar { position: absolute; z-index: 10; height: 100%; }
  .fa-sidebar:not(.collapsed) { box-shadow: 4px 0 24px rgba(0,0,0,0.6); }
  .fa-wrap { height: 92vh; }
  .fa-msg-body { max-width: 88%; }
}

@media (max-width: 400px) {
  .fa-messages { padding: 16px 12px; }
  .fa-inputbar  { padding: 12px; }
  .fa-topbar    { padding: 10px 12px; }
}

/* ── Admin styles ────────────────────────────────────────────────────────── */

.fa-admin .fa-admin-head {
  display: flex; align-items: center; gap: 16px;
  background: #0c1120; border-radius: 12px; border: 1px solid #1e2d4a;
  padding: 20px 24px; margin: 20px 0 24px;
}
.fa-admin-logo {
  font-size: 28px; width: 52px; height: 52px;
  background: linear-gradient(135deg,#2563eb,#1e40af); border-radius: 12px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.fa-admin-head h1 { margin: 0 0 4px; color: #fff; }
.fa-admin-head p  { margin: 0; color: #6a8aaa; font-size: 13px; }
.fa-card { background: #fff; border: 1px solid #dde; border-radius: 10px; margin-bottom: 18px; overflow: hidden; box-shadow: 0 1px 4px rgba(0,0,0,.05); }
.fa-card-hd { background: #f7f8fc; padding: 14px 22px; border-bottom: 1px solid #e5e7f0; }
.fa-card-hd h2 { margin: 0 0 3px; font-size: 15px; font-weight: 600; }
.fa-card-hd p  { margin: 0; font-size: 12px; color: #666; }
.fa-tbl { width: 100%; border-collapse: collapse; }
.fa-tbl tr { border-bottom: 1px solid #f0f0f5; }
.fa-tbl tr:last-child { border-bottom: none; }
.fa-tbl th { width: 220px; padding: 13px 22px; text-align: left; font-size: 13px; font-weight: 600; color: #3a3a5a; background: #fafbfe; border-right: 1px solid #f0f0f5; vertical-align: top; }
.fa-tbl td { padding: 11px 22px; vertical-align: top; }
.fa-tbl .description { font-size: 11px; color: #888; margin: 4px 0 0; line-height: 1.5; }
.fa-pw { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.fa-pw-input { font-family: monospace; max-width: 340px; }
.fa-saved { font-size: 11px; color: #22a06b; font-weight: 600; }
.fa-sc-body { padding: 16px 22px; }
.fa-sc { display: inline-block; background: #1e2235; color: #7eb3ff; padding: 8px 14px; border-radius: 6px; font-size: 13px; margin: 6px 0; }