/* ==========================================================================
   AI Team Studio — shared design system
   Role colors are the heart of the app:
   human = YELLOW · bot1 = BLUE · bot2 = GREEN · bot3 = RED
   ========================================================================== */

:root {
  /* Role palette (accent = avatars/labels, soft = bubbles, deep = text on soft) */
  --yellow:        #eab308;
  --yellow-soft:   #fdf1bd;
  --yellow-deep:   #854d0e;
  --blue:          #3b82f6;
  --blue-soft:     #dbeafe;
  --blue-deep:     #1e40af;
  --green:         #22c55e;
  --green-soft:    #d9f5e1;
  --green-deep:    #166534;
  --red:           #ef4444;
  --red-soft:      #fee2e2;
  --red-deep:      #991b1b;

  /* Mapping used by chat + review bubbles */
  --color-human:  var(--yellow-soft);
  --color-bot1:   var(--blue-soft);
  --color-bot2:   var(--green-soft);
  --color-bot3:   var(--red-soft);

  /* Neutrals */
  --ink:        #0f172a;
  --ink-2:      #334155;
  --muted:      #64748b;
  --faint:      #94a3b8;
  --line:       #e2e8f0;
  --line-soft:  #eef2f7;
  --bg:         #f2f5fa;
  --card:       #ffffff;

  /* Accent for primary actions */
  --accent:       #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft:  #eef2ff;

  --danger:      #dc2626;
  --danger-soft: #fef2f2;

  --radius-s: 8px;
  --radius:   12px;
  --radius-l: 18px;

  --shadow-s: 0 1px 2px rgba(15, 23, 42, .05);
  --shadow:   0 1px 2px rgba(15, 23, 42, .05), 0 8px 24px -8px rgba(15, 23, 42, .12);
  --shadow-l: 0 24px 60px -12px rgba(15, 23, 42, .25);

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---- Base ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: 0.92em; }
::selection { background: #c7d2fe; }

/* ---- App shell ------------------------------------------------------------ */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 16px;
  padding: 0 20px; height: 58px;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; font-size: 15px; }
.brand:hover { text-decoration: none; }
.brand-dots { display: grid; grid-template-columns: repeat(2, 8px); gap: 3px; }
.brand-dots span { width: 8px; height: 8px; border-radius: 50%; }
.brand-dots span:nth-child(1) { background: var(--blue); }
.brand-dots span:nth-child(2) { background: var(--green); }
.brand-dots span:nth-child(3) { background: var(--yellow); }
.brand-dots span:nth-child(4) { background: var(--red); }
.brand small { font-weight: 500; color: var(--muted); }
.topbar .spacer { flex: 1; }
.topbar-context { display: flex; align-items: center; gap: 8px; min-width: 0; }

.page { max-width: 900px; margin: 0 auto; padding: 28px 20px 96px; }
.page-wide { max-width: 1200px; }
.page-head { margin: 6px 0 22px; }
.page-head h1 { font-size: 24px; }
.page-head p { color: var(--muted); margin-top: 4px; }

/* ---- Cards ----------------------------------------------------------------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-s);
  padding: 22px;
}
.card + .card { margin-top: 18px; }
.card-title { font-size: 15px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.card-title .hint { font-weight: 400; }
.card-sub { color: var(--muted); font-size: 13px; margin-top: 2px; }
.card-head { margin-bottom: 16px; }

/* ---- Forms ------------------------------------------------------------------ */
.field { margin-bottom: 16px; }
.field:last-child { margin-bottom: 0; }
.label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.hint { font-size: 12.5px; color: var(--muted); margin-top: 6px; }
.input, .textarea, .select {
  width: 100%;
  padding: 9px 12px;
  font: inherit; font-size: 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, .textarea:focus, .select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, .14);
}
.textarea { resize: vertical; min-height: 90px; line-height: 1.5; }
.input[readonly] { background: #f8fafc; color: var(--ink-2); }
.input.mono, .textarea.mono { font-family: var(--mono); font-size: 13px; }
.input-group { display: flex; gap: 8px; }
.input-group .input { flex: 1; min-width: 0; }

/* Toggle switch */
.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch .track {
  width: 40px; height: 24px; border-radius: 999px; background: #cbd5e1;
  position: relative; transition: background .18s; flex-shrink: 0;
}
.switch .track::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px;
  border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.25);
  transition: transform .18s;
}
.switch input:checked + .track { background: var(--accent); }
.switch input:checked + .track::after { transform: translateX(16px); }
.switch input:focus-visible + .track { box-shadow: 0 0 0 3px rgba(79,70,229,.25); }
.switch .switch-label { font-size: 14px; font-weight: 600; color: var(--ink-2); }

/* ---- Buttons ------------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 16px;
  font: inherit; font-size: 14px; font-weight: 600;
  color: var(--ink-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  transition: background .14s, border-color .14s, color .14s, transform .05s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { background: #f8fafc; border-color: #cbd5e1; text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-dark { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn-dark:hover { background: #1e293b; border-color: #1e293b; }
.btn-ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--line-soft); border-color: transparent; color: var(--ink-2); }
.btn-danger { color: var(--danger); border-color: #fecaca; background: #fff; }
.btn-danger:hover { background: var(--danger-soft); border-color: #fca5a5; }
.btn-sm { padding: 6px 11px; font-size: 13px; border-radius: 8px; }
.btn-lg { padding: 12px 22px; font-size: 15px; border-radius: 12px; }
.btn-block { width: 100%; }

/* ---- Badges / pills -------------------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600;
  padding: 3px 10px; border-radius: 999px;
  background: var(--line-soft); color: var(--ink-2);
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; }
.badge-accent { background: var(--accent-soft); color: var(--accent); }
.badge-test { background: #fdf1bd; color: #854d0e; }

/* ---- Tabs ---------------------------------------------------------------------- */
.tabs {
  display: inline-flex; gap: 4px;
  background: var(--line-soft);
  border-radius: 11px; padding: 4px;
}
.tabs button {
  font: inherit; font-size: 13.5px; font-weight: 600;
  border: none; background: transparent; color: var(--muted);
  padding: 7px 16px; border-radius: 8px; cursor: pointer;
  transition: background .14s, color .14s;
}
.tabs button:hover { color: var(--ink-2); }
.tabs button.active { background: #fff; color: var(--ink); box-shadow: var(--shadow-s); }

/* ---- Modal ------------------------------------------------------------------------ */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background: rgba(15, 23, 42, .45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 20px;
  opacity: 0; pointer-events: none; transition: opacity .18s;
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal {
  width: 100%; max-width: 500px;
  background: #fff; border-radius: 20px;
  box-shadow: var(--shadow-l);
  padding: 26px;
  transform: translateY(10px) scale(.98);
  transition: transform .18s;
  max-height: calc(100vh - 60px);
  overflow-y: auto;
}
.modal-backdrop.open .modal { transform: none; }
.modal h2 { font-size: 18px; margin-bottom: 6px; }
.modal .modal-sub { color: var(--muted); font-size: 14px; margin-bottom: 18px; }

/* ---- Toast -------------------------------------------------------------------------- */
#toastHost {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center;
  pointer-events: none;
}
.toast {
  background: var(--ink); color: #fff;
  font-size: 13.5px; font-weight: 500;
  padding: 10px 18px; border-radius: 999px;
  box-shadow: var(--shadow);
  animation: toast-in .18s ease-out;
}
.toast.error { background: var(--danger); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

/* ==========================================================================
   Chat components (used by aiTeam.php and review.php)
   ========================================================================== */

.avatar {
  width: 34px; height: 34px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12.5px; font-weight: 800; color: #fff;
  flex-shrink: 0;
  box-shadow: inset 0 -2px 4px rgba(0,0,0,.12);
}
.avatar-human { background: var(--yellow); }
.avatar-bot1  { background: var(--blue); }
.avatar-bot2  { background: var(--green); }
.avatar-bot3  { background: var(--red); }

.msg { display: flex; gap: 10px; padding: 2px 0; margin-top: 14px; }
.msg.grouped { margin-top: 3px; }
.msg .avatar-slot { width: 34px; flex-shrink: 0; }
.msg-body { max-width: min(76%, 560px); display: flex; flex-direction: column; align-items: flex-start; }
.msg-meta { display: flex; align-items: baseline; gap: 8px; margin: 0 4px 3px; }
.msg-name { font-size: 12.5px; font-weight: 700; }
.msg-name.n-human { color: var(--yellow-deep); }
.msg-name.n-bot1  { color: var(--blue-deep); }
.msg-name.n-bot2  { color: var(--green-deep); }
.msg-name.n-bot3  { color: var(--red-deep); }
.msg-time { font-size: 11px; color: var(--faint); }
.msg-bubble {
  padding: 8px 13px;
  border-radius: 16px;
  border-top-left-radius: 6px;
  font-size: 14.5px;
  white-space: pre-wrap; word-break: break-word;
  animation: bubble-in .16s ease-out;
}
.msg.grouped .msg-bubble { border-radius: 16px; }
@keyframes bubble-in { from { opacity: 0; transform: translateY(4px); } }

.msg-human .msg-bubble { background: var(--color-human); color: #57430a; }
.msg-bot1  .msg-bubble { background: var(--color-bot1);  color: #173a7a; }
.msg-bot2  .msg-bubble { background: var(--color-bot2);  color: #14532d; }
.msg-bot3  .msg-bubble { background: var(--color-bot3);  color: #7f1d1d; }

/* Human (you) sits on the right */
.msg-human { flex-direction: row-reverse; }
.msg-human .msg-body { align-items: flex-end; }
.msg-human .msg-bubble { border-top-left-radius: 16px; border-top-right-radius: 6px; }
.msg-human.grouped .msg-bubble { border-top-right-radius: 16px; }

/* Typing indicator */
.typing-bubble { display: inline-flex; align-items: center; gap: 4px; min-height: 34px; }
.typing-bubble .t-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: currentColor; opacity: .45;
  animation: typing-bounce 1.2s infinite;
}
.typing-bubble .t-dot:nth-child(2) { animation-delay: .15s; }
.typing-bubble .t-dot:nth-child(3) { animation-delay: .3s; }
@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: .4; }
  30% { transform: translateY(-4px); opacity: .9; }
}
.msg.typing-row { transition: opacity .35s; }
.msg.typing-row.fading { opacity: 0; }

/* Day/system divider */
.chat-divider {
  display: flex; align-items: center; gap: 12px;
  color: var(--faint); font-size: 12px; font-weight: 600;
  margin: 18px 0 4px;
}
.chat-divider::before, .chat-divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* ---- Misc utilities --------------------------------------------------------- */
.row { display: flex; align-items: center; gap: 10px; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }
.mt-1 { margin-top: 6px; } .mt-2 { margin-top: 12px; } .mt-3 { margin-top: 20px; }
.mb-2 { margin-bottom: 12px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.hidden { display: none !important; }
.text-center { text-align: center; }

/* Spinner */
.spinner {
  width: 22px; height: 22px; border-radius: 50%;
  border: 3px solid var(--line); border-top-color: var(--accent);
  animation: spin .8s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Scrollbars (webkit) */
.scroll-slim::-webkit-scrollbar { width: 10px; }
.scroll-slim::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 999px; border: 3px solid transparent; background-clip: content-box; }
.scroll-slim::-webkit-scrollbar-thumb:hover { background: #94a3b8; border: 3px solid transparent; background-clip: content-box; }