:root {
  --impi-green: #217a54;
  --impi-green-dark: #14563a;
  --impi-blue: #1f6f8b;
  --impi-ink: #132a25;
  --impi-muted: #5f726d;
  --impi-surface: #ffffff;
  --impi-soft: #f3faf6;
  --impi-line: rgba(19, 42, 37, .13);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.nogap-assistant-button {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9998;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 0;
  border-radius: 999px;
  min-height: 58px;
  padding: 0 20px;
  background: linear-gradient(135deg, var(--impi-green), var(--impi-blue));
  color: #fff;
  font-weight: 950;
  letter-spacing: .01em;
  box-shadow: 0 18px 42px rgba(16, 32, 28, .28);
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}

.nogap-assistant-button:hover,
.nogap-assistant-button:focus {
  transform: translateY(-2px);
  filter: saturate(1.1);
  outline: 3px solid rgba(33, 122, 84, .24);
  outline-offset: 3px;
  box-shadow: 0 22px 55px rgba(16, 32, 28, .34);
}

.impi-pulse {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #b8f4d8;
  box-shadow: 0 0 0 0 rgba(184, 244, 216, .82);
  animation: impiPulse 1.8s infinite;
}

@keyframes impiPulse {
  70% { box-shadow: 0 0 0 12px rgba(184, 244, 216, 0); }
  100% { box-shadow: 0 0 0 0 rgba(184, 244, 216, 0); }
}

.nogap-assistant-panel {
  position: fixed;
  right: 18px;
  bottom: 88px;
  z-index: 9999;
  width: min(430px, calc(100vw - 28px));
  max-height: min(760px, calc(100vh - 112px));
  display: none;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--impi-line);
  border-radius: 30px;
  background: var(--impi-surface);
  color: var(--impi-ink);
  box-shadow: 0 22px 70px rgba(16, 32, 28, .28);
}

.nogap-assistant-panel.is-open {
  display: flex;
  animation: impiRise .22s ease-out;
}

@keyframes impiRise {
  from { opacity: 0; transform: translateY(14px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.nogap-assistant-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,.22), transparent 12rem),
    linear-gradient(135deg, var(--impi-green-dark), var(--impi-blue));
  color: #fff;
}

.impi-avatar {
  width: 54px;
  height: 54px;
  padding: 3px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #217a54, #1f6f8b);
  border: 2px solid rgba(255, 255, 255, .42);
  box-shadow: 0 12px 28px rgba(0,0,0,.22);
  overflow: hidden;
}

.impi-avatar img {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: cover;
  object-position: center;
}

.impi-title strong {
  display: block;
  font-size: 1.12rem;
}

.impi-title span {
  display: block;
  margin-top: 2px;
  color: rgba(255, 255, 255, .86);
  font-size: .86rem;
  line-height: 1.3;
}

.nogap-assistant-close {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .3);
  background: rgba(255, 255, 255, .12);
  color: #fff;
  cursor: pointer;
  font-weight: 950;
}

.impi-alert {
  padding: 10px 14px;
  background: #fff6df;
  color: #654500;
  border-bottom: 1px solid rgba(101, 69, 0, .12);
  font-size: .87rem;
  font-weight: 750;
}

.nogap-assistant-messages {
  min-height: 210px;
  max-height: 330px;
  padding: 14px;
  overflow-y: auto;
  display: grid;
  align-content: start;
  gap: 10px;
  background:
    radial-gradient(circle at top right, rgba(33, 122, 84, .10), transparent 12rem),
    var(--impi-soft);
}

.impi-empty {
  display: grid;
  gap: 7px;
  padding: 14px;
  border: 1px solid rgba(33, 122, 84, .18);
  border-radius: 20px;
  background: rgba(255, 255, 255, .9);
  color: var(--impi-ink);
  line-height: 1.45;
}

.impi-empty strong {
  font-size: 1rem;
}

.impi-empty span {
  color: var(--impi-muted);
  font-size: .92rem;
}

.nogap-message {
  max-width: 94%;
  padding: 13px 15px;
  border-radius: 18px;
  line-height: 1.45;
  font-size: .95rem;
  box-shadow: 0 8px 24px rgba(16, 32, 28, .08);
  white-space: pre-wrap;
}

.nogap-message.bot {
  background: #ffffff;
  color: #132a25;
  border: 1px solid rgba(33, 122, 84, .18);
  justify-self: start;
}

.nogap-message.user {
  background: linear-gradient(135deg, var(--impi-green), var(--impi-blue));
  color: #fff;
  justify-self: end;
}

.nogap-message.is-thinking {
  color: var(--impi-muted);
  font-weight: 750;
}

.nogap-assistant-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 14px;
  border-top: 1px solid var(--impi-line);
  background: var(--impi-surface);
}

.nogap-assistant-form input,
.impi-capture input,
.impi-capture select,
.impi-capture textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--impi-line);
  border-radius: 16px;
  background: var(--impi-surface);
  color: var(--impi-ink);
  padding: 10px 12px;
}

.nogap-assistant-form input {
  border-radius: 999px;
  font-size: 1rem;
}

.nogap-assistant-form input::placeholder {
  color: var(--impi-muted);
}

.nogap-assistant-form button,
.impi-capture-form button {
  min-height: 46px;
  border: 0;
  border-radius: 999px;
  padding: 0 16px;
  background: var(--impi-green);
  color: #fff;
  font-weight: 950;
  cursor: pointer;
  transition: transform .18s ease, filter .18s ease;
}

.nogap-assistant-form button:hover,
.impi-capture-form button:hover {
  transform: translateY(-1px);
  filter: saturate(1.1);
}

.nogap-assistant-form input:disabled,
.nogap-assistant-form button:disabled {
  cursor: wait;
  opacity: .68;
}

.impi-capture {
  border-top: 1px solid var(--impi-line);
  background: var(--impi-surface);
}

.impi-capture summary {
  cursor: pointer;
  padding: 12px 14px 6px;
  font-weight: 950;
  color: var(--impi-green-dark);
}

.impi-capture-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 0 14px 14px;
}

.impi-capture-form label {
  display: grid;
  gap: 5px;
  font-size: .86rem;
  font-weight: 850;
}

.impi-capture-form .full {
  grid-column: 1 / -1;
}

.impi-capture textarea {
  min-height: 86px;
  resize: vertical;
}

.impi-capture-form a {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--impi-line);
  border-radius: 999px;
  color: var(--impi-green-dark);
  text-decoration: none;
  font-weight: 950;
}

.nogap-assistant-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 10px 14px 14px;
  background: var(--impi-surface);
}

.nogap-assistant-actions a {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--impi-line);
  color: var(--impi-green-dark);
  text-decoration: none;
  font-weight: 900;
  font-size: .86rem;
  transition: transform .18s ease, background .18s ease;
}

.nogap-assistant-actions a:hover {
  transform: translateY(-1px);
  background: rgba(33, 122, 84, .08);
}

.dark .nogap-assistant-panel,
[data-theme="dark"] .nogap-assistant-panel {
  --impi-surface: #12241f;
  --impi-soft: #0e1d19;
  --impi-ink: #eefaf4;
  --impi-muted: #b7c9c2;
  --impi-line: rgba(255, 255, 255, .14);
  background: var(--impi-surface);
  color: var(--impi-ink);
}

.dark .nogap-message.bot,
[data-theme="dark"] .nogap-message.bot {
  background: rgba(255,255,255,.12);
  color: #eefaf4;
}

.dark .impi-empty,
[data-theme="dark"] .impi-empty {
  background: rgba(255,255,255,.08);
  color: #eefaf4;
  border-color: rgba(255,255,255,.16);
}

.dark .impi-alert,
[data-theme="dark"] .impi-alert {
  background: #2d230f;
  color: #ffe8ad;
  border-color: rgba(255,255,255,.12);
}

@media (prefers-color-scheme: dark) {
  .nogap-assistant-panel {
    --impi-surface: #12241f;
    --impi-soft: #0e1d19;
    --impi-ink: #eefaf4;
    --impi-muted: #b7c9c2;
    --impi-line: rgba(255, 255, 255, .14);
    background: var(--impi-surface);
    color: var(--impi-ink);
  }

  .nogap-message.bot {
    background: rgba(255,255,255,.12);
    color: #eefaf4;
  }

  .impi-empty {
    background: rgba(255,255,255,.08);
    color: #eefaf4;
    border-color: rgba(255,255,255,.16);
  }

  .impi-alert {
    background: #2d230f;
    color: #ffe8ad;
    border-color: rgba(255,255,255,.12);
  }
}

@media (max-width: 640px) {
  .nogap-assistant-button {
    left: 14px;
    right: 14px;
    bottom: 14px;
    justify-content: center;
  }

  .nogap-assistant-panel {
    left: 10px;
    right: 10px;
    bottom: 82px;
    width: auto;
    max-height: calc(100vh - 98px);
    border-radius: 24px;
  }

  .nogap-assistant-messages {
    min-height: 190px;
    max-height: 280px;
  }

  .impi-capture-form {
    grid-template-columns: 1fr;
  }

  .nogap-assistant-actions {
    grid-template-columns: repeat(2, 1fr);
  }
}