@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css');

.png-file-converter-tool {
  position: relative;
  width: 100%;
  max-width: none;
  border-radius: 0 !important;
  overflow-x: hidden;
  box-sizing: border-box;
  margin: 0;
  padding: 32px;
  line-height: 1.5;
  font-size: 16px;
  color: #f8fbff;
  background: radial-gradient(circle at 12% 10%, rgba(72, 220, 255, 0.38), transparent 32%), radial-gradient(circle at 88% 18%, rgba(255, 84, 188, 0.34), transparent 34%), linear-gradient(135deg, #07111f 0%, #10295a 42%, #3a145e 100%);
}

.png-file-converter-tool,
.png-file-converter-tool * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__header {
  width: 100%;
  margin: 0 0 24px;
  padding: 0;
  text-align: center;
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__title {
  margin: 0;
  padding: 0;
  line-height: 1.1;
  font-size: clamp(1.5rem, 5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: 0;
  color: #ffffff;
  text-align: center;
}

.png-file-converter-tool__subtitle {
  max-width: 720px;
  margin: 12px auto 0;
  padding: 0;
  line-height: 1.5;
  font-size: 1rem;
  font-weight: 500;
  color: #dbeafe;
  text-align: center;
}

.png-file-converter-tool__grid {
  display: grid;
  grid-template-columns: 1fr;
  align-items: stretch;
  width: 100%;
  gap: 16px;
  margin: 0;
  padding: 0;
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__panel {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-width: 0;
  margin: 0;
  padding: 24px;
  gap: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.08));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(18px);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__panel:hover {
  transform: translateY(-2px);
  border-color: rgba(125, 232, 255, 0.52);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.34), 0 0 32px rgba(72, 220, 255, 0.14);
}

.png-file-converter-tool__panel-head {
  width: 100%;
  margin: 0;
  padding: 0;
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__panel-title {
  margin: 0;
  padding: 0;
  line-height: 1.2;
  font-size: 1.05rem;
  font-weight: 800;
  color: #ffffff;
}

.png-file-converter-tool__dropzone {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 176px;
  margin: 0;
  padding: 24px;
  gap: 8px;
  border: 1px dashed rgba(177, 239, 255, 0.62);
  border-radius: 8px;
  background: rgba(6, 18, 38, 0.58);
  color: #f8fbff;
  cursor: pointer;
  text-align: center;
  overflow: hidden;
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__dropzone:hover,
.png-file-converter-tool__dropzone:focus,
.png-file-converter-tool__dropzone:focus-within,
.png-file-converter-tool__dropzone.is-dragover {
  outline: 2px solid rgba(125, 232, 255, 0.76);
  outline-offset: 2px;
  border-color: #8eeeff;
  background: rgba(10, 34, 68, 0.72);
  box-shadow: 0 0 28px rgba(72, 220, 255, 0.24);
}

.png-file-converter-tool__file-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  line-height: 1.5;
  font-size: 16px;
  opacity: 0;
  cursor: pointer;
}

.png-file-converter-tool__drop-icon,
.png-file-converter-tool__placeholder-icon {
  display: block;
  margin: 0;
  padding: 0;
  line-height: 1;
  font-size: 2rem;
  color: #82f1ff;
  text-shadow: 0 0 18px rgba(130, 241, 255, 0.5);
}

.png-file-converter-tool__drop-message,
.png-file-converter-tool__placeholder-text {
  display: block;
  margin: 0;
  padding: 0;
  line-height: 1.4;
  font-size: 0.98rem;
  font-weight: 700;
  color: #ffffff;
}

.png-file-converter-tool__file-name {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  overflow-wrap: anywhere;
  line-height: 1.35;
  font-size: 0.98rem;
  font-weight: 800;
  color: #ffffff;
}

.png-file-converter-tool__file-meta {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  overflow-wrap: anywhere;
  line-height: 1.4;
  font-size: 0.88rem;
  font-weight: 600;
  color: #c7f7ff;
}

.png-file-converter-tool__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: 100%;
  gap: 8px;
  margin: 0;
  padding: 0;
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__stat {
  min-width: 0;
  margin: 0;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(4, 13, 29, 0.46);
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__stat-label,
.png-file-converter-tool__stat-value {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  overflow-wrap: anywhere;
  line-height: 1.35;
}

.png-file-converter-tool__stat-label {
  font-size: 0.76rem;
  font-weight: 700;
  color: #a9c9ef;
}

.png-file-converter-tool__stat-value {
  margin-top: 4px;
  font-size: 0.92rem;
  font-weight: 800;
  color: #ffffff;
}

.png-file-converter-tool__control {
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: 8px;
  margin: 0;
  padding: 0;
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__label {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  line-height: 1.35;
  font-size: 0.9rem;
  font-weight: 800;
  color: #f8fbff;
}

.png-file-converter-tool__dropdown {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 0;
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__dropdown-toggle,
.png-file-converter-tool__option,
.png-file-converter-tool__button {
  appearance: none;
  font-family: inherit;
  border-radius: 8px;
  border: 1px solid rgba(160, 232, 255, 0.34);
  margin: 0;
  padding: 12px 16px;
  line-height: 1.2;
  font-size: 0.96rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background 160ms ease, opacity 160ms ease;
}

.png-file-converter-tool__dropdown-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 48px;
  background: rgba(3, 12, 28, 0.84);
  color: #ffffff;
  text-align: left;
}

.png-file-converter-tool__dropdown-toggle:hover,
.png-file-converter-tool__dropdown-toggle:focus {
  outline: 2px solid rgba(125, 232, 255, 0.75);
  outline-offset: 2px;
  box-shadow: 0 0 24px rgba(72, 220, 255, 0.2);
}

.png-file-converter-tool__dropdown-value,
.png-file-converter-tool__chevron {
  display: inline-block;
  margin: 0;
  padding: 0;
  line-height: 1.2;
  font-size: 0.96rem;
  color: #ffffff;
}

.png-file-converter-tool__option-list {
  position: absolute;
  z-index: 5;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  width: 100%;
  max-height: 240px;
  margin: 0;
  padding: 8px;
  overflow-y: auto;
  border: 1px solid rgba(160, 232, 255, 0.38);
  border-radius: 8px;
  background: #071326;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.42);
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__option {
  display: block;
  width: 100%;
  margin: 0 0 8px;
  padding: 12px 16px;
  background: transparent;
  color: #f8fbff;
  text-align: left;
}

.png-file-converter-tool__option:last-child {
  margin-bottom: 0;
}

.png-file-converter-tool__option:hover,
.png-file-converter-tool__option:focus,
.png-file-converter-tool__option[aria-selected="true"] {
  outline: none;
  background: linear-gradient(135deg, rgba(72, 220, 255, 0.22), rgba(255, 84, 188, 0.18));
  border-color: rgba(130, 241, 255, 0.72);
  color: #ffffff;
}

.png-file-converter-tool__quality-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 12px;
  margin: 0;
  padding: 0;
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__quality-value {
  display: block;
  margin: 0;
  padding: 0;
  line-height: 1.35;
  font-size: 0.9rem;
  font-weight: 800;
  color: #c7f7ff;
}

.png-file-converter-tool__quality {
  width: 100%;
  height: 44px;
  margin: 0;
  padding: 0;
  line-height: 1.5;
  font-size: 16px;
  accent-color: #62eaff;
}

.png-file-converter-tool__quality:focus {
  outline: 2px solid rgba(125, 232, 255, 0.75);
  outline-offset: 2px;
}

.png-file-converter-tool__quality:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.png-file-converter-tool__note,
.png-file-converter-tool__message {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  overflow-wrap: anywhere;
  line-height: 1.45;
  font-size: 0.86rem;
  font-weight: 650;
  color: #dbeafe;
}

.png-file-converter-tool__message {
  min-height: 22px;
  color: #fff2bd;
}

.png-file-converter-tool__message.is-error {
  color: #ffd0d0;
}

.png-file-converter-tool__actions {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  gap: 12px;
  margin: 0;
  padding: 0;
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  min-width: 0;
  color: #ffffff;
}

.png-file-converter-tool__button-primary,
.png-file-converter-tool__button-download {
  flex: 1 1 180px;
  background: linear-gradient(135deg, #31d8ff, #8d5cff 54%, #ff54bc);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 12px 28px rgba(72, 109, 255, 0.28);
}

.png-file-converter-tool__button-secondary {
  flex: 1 1 140px;
  background: rgba(5, 17, 36, 0.78);
  border-color: rgba(255, 255, 255, 0.24);
}

.png-file-converter-tool__button:hover,
.png-file-converter-tool__button:focus {
  outline: 2px solid rgba(255, 255, 255, 0.78);
  outline-offset: 2px;
  transform: translateY(-1px);
  box-shadow: 0 0 28px rgba(130, 241, 255, 0.25);
}

.png-file-converter-tool__button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.png-file-converter-tool__result-panel {
  min-height: 100%;
}

.png-file-converter-tool__result-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  width: 100%;
  min-height: 0;
  gap: 16px;
  margin: 0;
  padding: 0;
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__placeholder,
.png-file-converter-tool__preview-wrap {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 180px;
  max-height: 260px;
  margin: 0;
  padding: 16px;
  gap: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(4, 13, 29, 0.46);
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__preview {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  margin: 0;
  padding: 0;
  object-fit: contain;
  border-radius: 8px;
  opacity: 0;
  animation: pngConverterFade 220ms ease forwards;
  line-height: 1.5;
  font-size: 16px;
}

.png-file-converter-tool__button-download {
  flex: 0 0 auto;
  width: 100%;
  max-width: 100%;
  margin: 0;
  box-sizing: border-box;
}

@keyframes pngConverterFade {
  from { opacity: 0; transform: scale(0.985); }
  to { opacity: 1; transform: scale(1); }
}

@media (min-width: 320px) and (max-width: 374px) {
  .png-file-converter-tool { padding: 16px; border-radius: 0 !important; }
  .png-file-converter-tool__container { width: 100%; max-width: 1200px; }
  .png-file-converter-tool__title { font-size: clamp(1.5rem, 5vw, 2.8rem); }
  .png-file-converter-tool__subtitle { font-size: 0.92rem; }
  .png-file-converter-tool__grid { grid-template-columns: 1fr; gap: 16px; }
  .png-file-converter-tool__panel { padding: 16px; gap: 12px; }
  .png-file-converter-tool__dropzone { min-height: 160px; padding: 16px; }
  .png-file-converter-tool__dropdown-toggle, .png-file-converter-tool__button { width: 100%; min-height: 48px; font-size: 0.92rem; }
  .png-file-converter-tool__actions { gap: 12px; }
  .png-file-converter-tool__preview-wrap, .png-file-converter-tool__placeholder { min-height: 160px; max-height: 220px; }
  .png-file-converter-tool__stats { grid-template-columns: 1fr; }
}

@media (min-width: 375px) and (max-width: 429px) {
  .png-file-converter-tool { padding: 16px; border-radius: 0 !important; }
  .png-file-converter-tool__container { width: 100%; max-width: 1200px; }
  .png-file-converter-tool__title { font-size: clamp(1.5rem, 5vw, 2.8rem); }
  .png-file-converter-tool__subtitle { font-size: 0.95rem; }
  .png-file-converter-tool__grid { grid-template-columns: 1fr; gap: 16px; }
  .png-file-converter-tool__panel { padding: 16px; gap: 12px; }
  .png-file-converter-tool__dropzone { min-height: 168px; padding: 16px; }
  .png-file-converter-tool__dropdown-toggle, .png-file-converter-tool__button { width: 100%; min-height: 48px; font-size: 0.94rem; }
  .png-file-converter-tool__preview-wrap, .png-file-converter-tool__placeholder { min-height: 168px; max-height: 230px; }
  .png-file-converter-tool__stats { grid-template-columns: 1fr; }
}

@media (min-width: 430px) and (max-width: 767px) {
  .png-file-converter-tool { padding: 24px; border-radius: 0 !important; }
  .png-file-converter-tool__container { width: 100%; max-width: 1200px; }
  .png-file-converter-tool__title { font-size: clamp(1.5rem, 5vw, 2.8rem); }
  .png-file-converter-tool__subtitle { font-size: 1rem; }
  .png-file-converter-tool__grid { grid-template-columns: 1fr; gap: 16px; }
  .png-file-converter-tool__panel { padding: 16px; gap: 16px; }
  .png-file-converter-tool__dropzone { min-height: 176px; padding: 24px; }
  .png-file-converter-tool__dropdown-toggle, .png-file-converter-tool__button { width: 100%; min-height: 48px; font-size: 0.96rem; }
  .png-file-converter-tool__preview-wrap, .png-file-converter-tool__placeholder { min-height: 176px; max-height: 240px; }
  .png-file-converter-tool__stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .png-file-converter-tool { padding: 32px; border-radius: 0 !important; }
  .png-file-converter-tool__container { width: 100%; max-width: 1200px; }
  .png-file-converter-tool__title { font-size: clamp(1.5rem, 5vw, 2.8rem); }
  .png-file-converter-tool__subtitle { font-size: 1.05rem; }
  .png-file-converter-tool__grid { grid-template-columns: 1fr; gap: 24px; }
  .png-file-converter-tool__panel { padding: 24px; gap: 16px; }
  .png-file-converter-tool__dropzone { min-height: 180px; padding: 24px; }
  .png-file-converter-tool__dropdown-toggle, .png-file-converter-tool__button { min-height: 48px; font-size: 0.98rem; }
  .png-file-converter-tool__preview-wrap, .png-file-converter-tool__placeholder { min-height: 180px; max-height: 260px; }
}

@media (min-width: 1024px) and (max-width: 1199px) {
  .png-file-converter-tool { padding: 32px; border-radius: 0 !important; }
  .png-file-converter-tool__container { width: 100%; max-width: 1200px; }
  .png-file-converter-tool__title { font-size: clamp(1.5rem, 5vw, 2.8rem); }
  .png-file-converter-tool__subtitle { font-size: 1.05rem; }
  .png-file-converter-tool__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: stretch; }
  .png-file-converter-tool__panel { width: 100%; height: 100%; padding: 24px; gap: 16px; }
  .png-file-converter-tool__dropzone { min-height: 176px; padding: 24px; }
  .png-file-converter-tool__dropdown-toggle, .png-file-converter-tool__button { min-height: 48px; font-size: 0.98rem; }
  .png-file-converter-tool__preview-wrap, .png-file-converter-tool__placeholder { min-height: 170px; max-height: 260px; }
}

@media (min-width: 1200px) {
  .png-file-converter-tool { padding: 32px; border-radius: 0 !important; }
  .png-file-converter-tool__container { width: 100%; max-width: 1200px; }
  .png-file-converter-tool__title { font-size: clamp(1.5rem, 5vw, 2.8rem); }
  .png-file-converter-tool__subtitle { font-size: 1.08rem; }
  .png-file-converter-tool__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: stretch; }
  .png-file-converter-tool__panel { width: 100%; height: 100%; padding: 24px; gap: 16px; }
  .png-file-converter-tool__dropzone { min-height: 176px; padding: 24px; }
  .png-file-converter-tool__dropdown-toggle, .png-file-converter-tool__button { min-height: 48px; font-size: 1rem; }
  .png-file-converter-tool__preview-wrap, .png-file-converter-tool__placeholder { min-height: 180px; max-height: 280px; }
}