@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Plus+Jakarta+Sans:wght@700;800&display=swap');

/* ─── Design tokens ─── */
:root {
  --bg:            #FAFAF8;
  --surface:       #FFFFFF;
  --subtle-bg:     #F5F3EF;
  --muted-bg:      #EFECE6;
  --text-primary:  #1A1F2E;
  --text-muted:    #596074;
  --text-subtle:   #8A93A6;
  --violet:        #5B2A86;
  --violet-hover:  #4A2070;
  --violet-light:  #F0E8F8;
  --violet-muted:  #DDD0EE;
  --amber:         #D9713E;
  --amber-hover:   #C06030;
  --amber-light:   #FDF0EA;
  --border:        #E5E1D8;
  --border-subtle: #EDE9E3;
  --emerald:       #059669;
  --emerald-hover: #047857;
  --emerald-pulse: #10b981;
  --emerald-border:#a7f3d0;
  --emerald-soft:  #f0fdf4;

  --sh-card:       0 1px 3px 0 rgba(26,31,46,.06), 0 1px 2px -1px rgba(26,31,46,.04);
  --sh-card-md:    0 4px 8px -2px rgba(26,31,46,.08), 0 2px 4px -2px rgba(26,31,46,.04);
  --sh-card-lg:    0 12px 24px -6px rgba(26,31,46,.10), 0 4px 8px -4px rgba(26,31,46,.06);
  --sh-violet-sm:  0 2px 8px 0 rgba(91,42,134,.16);
  --sh-violet:     0 4px 16px 0 rgba(91,42,134,.22);
  --sh-widget:     0 24px 64px -12px rgba(26,31,46,.16), 0 8px 24px -4px rgba(26,31,46,.08);
}

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

/* ─── Body ─── */
body {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ─── Header / top row ─── */
.widget-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

/* B2B/B2C toggle */
.b2b-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--subtle-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px;
}

.toggle-btn {
  padding: 6px 14px;
  border: none;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1;
  transition: all 200ms ease;
  cursor: pointer;
  background: transparent;
}

.toggle-btn.b2b-active {
  background: var(--surface);
  color: var(--violet);
  border: 1px solid var(--border);
  box-shadow: var(--sh-card);
}

.toggle-btn.b2c-inactive {
  color: var(--text-subtle);
  opacity: 0.55;
  cursor: not-allowed;
  display: flex;
  align-items: center;
  gap: 5px;
}

.soon-badge {
  background: var(--amber-light);
  color: var(--amber);
  border: 1px solid rgba(251,200,163,.6);
  border-radius: 9999px;
  padding: 2px 6px;
  font-size: 9px;
  font-weight: 700;
  line-height: 1;
}

/* Brand */
.widget-brand {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.brand-icon {
  color: var(--violet);
  font-size: 13px;
  line-height: 1;
}

/* ─── Chat area ─── */
#chat {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--bg);
}

#chat::-webkit-scrollbar { width: 4px; }
#chat::-webkit-scrollbar-track { background: transparent; }
#chat::-webkit-scrollbar-thumb { background: var(--border); border-radius: 9999px; }

/* ─── Messages ─── */
.msg {
  max-width: 76%;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.65;
  white-space: pre-wrap;
  font-family: 'Inter', system-ui, sans-serif;
}

.msg.user {
  align-self: flex-end;
  background: var(--violet);
  color: #fff;
  border-bottom-right-radius: 4px;
  box-shadow: var(--sh-violet-sm);
}

.msg.bot {
  align-self: flex-start;
  background: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-bottom-left-radius: 4px;
  box-shadow: var(--sh-card);
}

.msg.bot.typing {
  color: var(--text-subtle);
  font-style: italic;
}

/* ─── Count / result card ─── */
.count-card {
  background: var(--subtle-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 14px;
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  white-space: pre-wrap;
}

.count-card strong {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  display: block;
  margin-bottom: 4px;
}

/* ─── Bottom bar ─── */
#bottom {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 14px 20px 16px;
  flex-shrink: 0;
}

/* Example chips */
.chips-section {
  margin-bottom: 12px;
}

.chips-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  background: var(--violet-light);
  color: var(--violet);
  border: 1px solid rgba(221,208,238,.5);
  border-radius: 9999px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  font-family: 'Inter', system-ui, sans-serif;
  cursor: pointer;
  transition: all 200ms ease;
  line-height: 1.5;
}

.chip:hover {
  background: var(--violet-muted);
  border-color: var(--violet-muted);
}

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

#input {
  flex: 1;
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 12px 16px;
  font-size: 14px;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text-primary);
  background: var(--subtle-bg);
  outline: none;
  resize: none;
  line-height: 1.75;
  min-height: 52px;
  transition: all 200ms ease;
}

#input::placeholder { color: var(--text-subtle); }

#input:focus {
  border-color: var(--violet-muted);
  background: var(--surface);
  box-shadow: 0 0 0 2px rgba(91,42,134,.25);
}

#send {
  background: var(--violet);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 0 22px;
  height: 44px;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Inter', system-ui, sans-serif;
  cursor: pointer;
  box-shadow: var(--sh-violet-sm);
  transition: all 200ms ease;
  white-space: nowrap;
  flex-shrink: 0;
}

#send:hover:not(:disabled) {
  background: var(--violet-hover);
  box-shadow: var(--sh-violet);
}

#send:active:not(:disabled) { transform: scale(.98); }

#send:disabled { opacity: .4; cursor: default; }

/* ─── Checkout card ─── */
.checkout-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin-top: 8px;
  font-size: 14px;
  max-width: 92%;
  align-self: flex-start;
  box-shadow: var(--sh-card-md);
  color: var(--text-muted);
}

.checkout-title {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 700;
  font-size: 17px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.checkout-meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.checkout-note {
  font-size: 12px;
  color: var(--text-subtle);
  margin-top: 8px;
}

.checkout-section-label {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
  margin-top: 16px;
  margin-bottom: 6px;
}

.checkout-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.checkout-btn {
  flex: 1;
  min-width: 180px;
  padding: 11px 16px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  font-family: 'Inter', system-ui, sans-serif;
  cursor: pointer;
  border: none;
  transition: all 200ms ease;
}

.checkout-btn:active { transform: scale(.98); }

.checkout-btn.primary {
  background: var(--violet);
  color: #fff;
  box-shadow: var(--sh-violet-sm);
}

.checkout-btn.primary:hover {
  background: var(--violet-hover);
  box-shadow: var(--sh-violet);
}

.checkout-btn.secondary {
  background: var(--surface);
  color: var(--violet);
  border: 1.5px solid var(--violet-muted);
}

.checkout-btn.secondary:hover { background: var(--violet-light); }

.checkout-detail { margin-top: 14px; }

/* ─── Package grid ─── */
.pkg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

/* ─── Package card base ─── */
.pkg-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  font-size: 14px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--sh-card);
  transition: all 200ms ease;
  color: var(--text-muted);
}

.pkg-card:hover { box-shadow: var(--sh-card-md); }

/* Minimum package */
.pkg-card.is-minimum {
  border-color: var(--emerald-border);
  box-shadow: var(--sh-card-md);
}

/* Pro — featured violet */
.pkg-card.is-pro {
  background: var(--violet);
  border: 1px solid rgba(91,42,134,.30);
  box-shadow: var(--sh-violet);
  color: rgba(255,255,255,.70);
}

.pkg-card.is-pro:hover { box-shadow: var(--sh-violet); }

/* Scale — emerald */
.pkg-card.is-scale {
  border-color: var(--emerald-border);
  box-shadow: var(--sh-card-md);
}

/* ─── Package floating badge ─── */
.pkg-floating-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  white-space: nowrap;
  box-shadow: var(--sh-card);
}

.pkg-floating-badge.popular  { background: var(--amber);   color: #fff; }
.pkg-floating-badge.best-val { background: var(--emerald); color: #fff; }

/* ─── Package card components ─── */
.pkg-name {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.pkg-card.is-pro .pkg-name { color: #fff; }

.pkg-price-row {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}

.pkg-price {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 30px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.pkg-card.is-pro .pkg-price { color: #fff; }

.pkg-price-suffix {
  font-size: 14px;
  color: var(--text-subtle);
}

.pkg-card.is-pro .pkg-price-suffix { color: rgba(255,255,255,.65); }

/* Tag / badge row */
.pkg-tag {
  display: inline-flex;
  align-items: center;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border: 1px solid transparent;
  margin-bottom: 14px;
  align-self: flex-start;
}

.pkg-tag-default  { background: var(--muted-bg);      color: var(--text-muted);   border-color: var(--border); }
.pkg-tag-amber    { background: var(--amber-light);   color: var(--amber);        border-color: rgba(251,200,163,.6); }
.pkg-tag-pro      { background: rgba(255,255,255,.20); color: #fff;               border-color: rgba(255,255,255,.30); }
.pkg-tag-emerald  { background: var(--emerald-soft);  color: var(--emerald-hover);border-color: var(--emerald-border); }
.pkg-tag-dark     { background: rgba(26,31,46,.08);   color: var(--text-primary); border-color: var(--border); }

/* Credits box */
.pkg-credits-box {
  background: var(--subtle-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 14px;
  text-align: center;
}

.pkg-card.is-pro .pkg-credits-box {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.20);
}

.pkg-credits {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  display: block;
  line-height: 1.1;
}

.pkg-card.is-pro .pkg-credits { color: #fff; }

.pkg-credits-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-subtle);
  margin-top: 2px;
}

.pkg-card.is-pro .pkg-credits-label { color: rgba(255,255,255,.65); }

.pkg-bonus {
  font-size: 12px;
  font-weight: 600;
  color: var(--amber);
  margin-top: 4px;
  display: block;
}

.pkg-card.is-pro .pkg-bonus { color: rgba(255,255,255,.85); }

/* Description */
.pkg-desc {
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 14px;
  flex: 1;
}

.pkg-card.is-pro .pkg-desc { color: rgba(255,255,255,.70); }

/* Remaining / status */
.pkg-remaining {
  font-size: 12px;
  color: var(--text-subtle);
  margin-bottom: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}

.pkg-card.is-pro .pkg-remaining {
  color: rgba(255,255,255,.55);
  border-top-color: rgba(255,255,255,.20);
}

.pkg-remaining.not-enough { color: #dc2626; }
.pkg-card.is-pro .pkg-remaining.not-enough { color: #fca5a5; }

/* CTA button */
.pkg-cta {
  display: block;
  width: 100%;
  padding: 10px 16px;
  background: var(--violet);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Inter', system-ui, sans-serif;
  cursor: pointer;
  text-align: center;
  box-shadow: var(--sh-violet-sm);
  transition: all 200ms ease;
  margin-top: auto;
}

.pkg-cta:hover:not(:disabled) {
  background: var(--violet-hover);
  box-shadow: var(--sh-violet);
}

.pkg-cta:active:not(:disabled) { transform: scale(.98); }

.pkg-cta:disabled {
  background: var(--muted-bg);
  color: var(--text-subtle);
  cursor: not-allowed;
  box-shadow: none;
}

/* Pro CTA — white button */
.pkg-card.is-pro .pkg-cta {
  background: #fff;
  color: var(--violet);
  box-shadow: none;
}

.pkg-card.is-pro .pkg-cta:hover:not(:disabled) {
  background: var(--violet-light);
}

/* Scale CTA — emerald */
.pkg-card.is-scale .pkg-cta {
  background: var(--emerald);
  box-shadow: 0 2px 8px 0 rgba(5,150,105,.25);
}

.pkg-card.is-scale .pkg-cta:hover:not(:disabled) {
  background: var(--emerald-hover);
  box-shadow: 0 4px 12px 0 rgba(5,150,105,.30);
}

/* ─── Login form ─── */
.co-login { margin-top: 12px; max-width: 360px; }

.co-login p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.6;
}

.co-login label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
  margin-top: 12px;
}

.co-login input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 13px;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text-primary);
  background: var(--subtle-bg);
  outline: none;
  box-sizing: border-box;
  transition: all 200ms ease;
}

.co-login input:focus {
  border-color: var(--violet-muted);
  background: var(--surface);
  box-shadow: 0 0 0 2px rgba(91,42,134,.25);
}

.co-login .co-login-btn {
  margin-top: 14px;
  width: 100%;
  padding: 10px 16px;
  background: var(--violet);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  font-family: 'Inter', system-ui, sans-serif;
  cursor: pointer;
  box-shadow: var(--sh-violet-sm);
  transition: all 200ms ease;
}

.co-login .co-login-btn:hover  { background: var(--violet-hover); }
.co-login .co-login-btn:active { transform: scale(.98); }

/* ─── Errors / status ─── */
.co-err {
  color: #dc2626;
  font-size: 12px;
  margin-top: 6px;
  min-height: 16px;
}

/* ─── Balance info box ─── */
.balance-info {
  margin-top: 10px;
  padding: 14px 16px;
  background: var(--emerald-soft);
  border: 1px solid var(--emerald-border);
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

.balance-ok    { color: var(--emerald-hover); font-weight: 600; }
.balance-short { color: #dc2626;              font-weight: 600; }

/* ─── Order success / recovery ─── */
.order-success {
  background: var(--emerald-soft);
  border: 1px solid var(--emerald-border);
  border-radius: 12px;
  padding: 16px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
}

.order-success .checkout-title { color: var(--emerald-hover); }

.recovery-info {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
  line-height: 1.8;
}

.pkg-intro {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
  margin-bottom: 4px;
}

/* ─── Responsive ─── */
@media (max-width: 480px) {
  .widget-header  { padding: 10px 14px; }
  #chat           { padding: 14px; }
  #bottom         { padding: 12px 14px 14px; }
  .msg            { max-width: 88%; }
  .checkout-card  { max-width: 100%; }
  .pkg-grid       { grid-template-columns: 1fr; }
  .checkout-btn   { min-width: 140px; }
}