:root {
  --isw-primary: #4285F4;
  --isw-primary-start: #58A6FF;
  --isw-primary-end: #3D82F6;
  --isw-panel-width: 380px;
  --isw-shadow: 0 10px 35px rgba(0,0,0,.18);
  --isw-border: #dfe5ee;
}

#isw-root {
  position: fixed;
  bottom: 51px;
  z-index: 999999;
  font-family: Arial, Helvetica, sans-serif;
  min-height: 60px;
}

#isw-root.isw-right {
  right: 24px;
}

#isw-root.isw-left {
  left: 24px;
}

#isw-root *,
#isw-root *::before,
#isw-root *::after {
  box-sizing: border-box;
}

.isw-launch-button {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 12px !important;
  height: 60px !important;
  min-width: 154px !important;
  padding: 0 24px !important;
  border: 0 !important;
  border-radius: 9999px !important;
  background: linear-gradient(135deg, var(--isw-primary-start) 0%, var(--isw-primary-end) 100%) !important;
  color: #fff !important;
  cursor: pointer !important;
  box-shadow: var(--isw-shadow) !important;
  position: relative !important;
  overflow: hidden !important;
  appearance: none !important;
  -webkit-appearance: none !important;
  opacity: 1;
  transform: translateY(0) scale(1);
  transition:
    opacity .24s ease,
    transform .30s cubic-bezier(.22, .8, .2, 1),
    filter .20s ease !important;
  will-change: transform, opacity;
}

#isw-root.isw-open .isw-launch-button {
  opacity: 0;
  transform: translateY(18px) scale(.92);
  pointer-events: none;
}

.isw-launch-button:hover {
  filter: brightness(.98);
}

.isw-launch-button-svg {
  width: 28px;
  height: 23px;
  display: block;
  margin: 0;
  flex: 0 0 auto;
}

.isw-button-text {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1;
  color: #fff;
}

.isw-panel {
  position: absolute;
  bottom: 0;
  width: var(--isw-panel-width);
  max-width: calc(100vw - 24px);
  background: #fff;
  border: 1px solid #ccd6e0;
  border-radius: 24px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, .22);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(40px) scale(.96);
  transform-origin: bottom right;
  transition:
    opacity .30s ease,
    transform .30s cubic-bezier(.22, .8, .2, 1),
    visibility .30s ease;
}

.isw-right .isw-panel {
  right: 0;
}

.isw-left .isw-panel {
  left: 0;
  transform: translateY(40px) scale(.96);
  transform-origin: bottom left;
}

#isw-root.isw-open .isw-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.isw-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, var(--isw-primary-start) 0%, var(--isw-primary-end) 100%);
  border-bottom: 1px solid rgba(0,0,0,.08);
  min-height: 48px;
  padding: 0 14px 0 18px;
}

.isw-end-chat-button {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  padding: 0;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1 1 auto;
}

.isw-minimize {
  position: static;
  width: 24px;
  height: 24px;
  border: 0;
  background: transparent !important;
  color: #ffffff !important;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin-left: 12px;
  flex: 0 0 auto;
  appearance: none;
  -webkit-appearance: none;
  overflow: visible;
  font-size: 18px;
  line-height: 1;
}

.isw-minimize svg {
  display: none !important;
}

.isw-minimize::before {
  content: "⌄";
  display: block !important;
  color: #ffffff !important;
  font-size: 18px;
  line-height: 1;
  font-weight: 700;
  transform: translateY(-1px);
}

.isw-body {
  padding: 12px 16px 10px;
}

.isw-success-message {
  margin: 0 0 14px;
  color: #334155;
  font-size: 16px;
}

.isw-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.isw-field {
  position: relative;
}

.isw-field input,
.isw-field select,
.isw-field textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--isw-border);
  border-radius: 6px;
  padding: 11px 14px;
  font-size: 14px;
  line-height: 1.35;
  color: #0f172a;
  background: #fff;
  outline: none;
  box-shadow: none;
}

.isw-field textarea {
  min-height: 96px;
  resize: vertical;
}

.isw-field input:focus,
.isw-field select:focus,
.isw-field textarea:focus {
  border-color: var(--isw-primary);
  box-shadow: 0 0 0 3px rgba(66,133,244,.12);
}

.isw-required {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  color: #dc2626;
  font-weight: 700;
}

.isw-field-textarea .isw-required {
  top: 16px;
  transform: none;
}

.isw-submit-button {
  min-height: 46px;
  border: 0;
  border-radius: 6px;
  background: var(--isw-primary);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.isw-submit-button:hover {
  filter: brightness(.96);
}

.isw-submit-button.isw-loading {
  opacity: .75;
  cursor: wait;
}

.isw-error {
  color: #b91c1c;
  background: #fef2f2;
  border: 1px solid #fecaca;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
}

#isw-root.isw-animating .isw-panel,
#isw-root.isw-animating .isw-launch-button {
  will-change: transform, opacity;
}

@media (max-width: 768px) {
  #isw-root {
    top: auto !important;
    bottom: 80px !important;
    transform: none !important;
  }

  #isw-root.isw-right {
    right: 14px;
  }

  #isw-root.isw-left {
    left: 14px;
  }

  .isw-launch-button {
    height: 52px !important;
    min-width: 138px !important;
    padding: 0 18px !important;
  }

  .isw-button-text {
    font-size: 16px;
  }

  .isw-panel,
  .isw-right .isw-panel,
  .isw-left .isw-panel {
    position: fixed;
    left: 12px;
    right: 12px;
    top: auto;
    bottom: calc(40px + env(safe-area-inset-bottom));
    width: auto;
    max-width: none;
    transform: translateY(30px) scale(.97);
  }

  #isw-root.isw-open .isw-panel {
    transform: translateY(0) scale(1);
  }
}