@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');

.b64text-converter-tool {
  position: relative;
  width: 100%;
  max-width: none;
  overflow-x: hidden;
  box-sizing: border-box;
  border-radius: 0 !important;
  color: #f8fbff;
  background:
    radial-gradient(circle at 15% 12%, rgba(61, 220, 255, 0.34), transparent 32%),
    radial-gradient(circle at 85% 18%, rgba(255, 90, 190, 0.32), transparent 30%),
    linear-gradient(135deg, #111827 0%, #12315f 45%, #33134f 100%);
}

.b64text-converter-tool,
.b64text-converter-tool * {
  box-sizing: border-box;
}

.b64text-converter-tool__inner {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  box-sizing: border-box;
}

.b64text-converter-tool h1 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(1.5rem, 5vw, 2.8rem);
  line-height: 1.12;
  font-weight: 800;
  text-align: center;
  letter-spacing: 0;
}

.b64text-converter-tool__subtitle {
  margin: 14px auto 0;
  max-width: 680px;
  color: rgba(237, 246, 255, 0.88);
  text-align: center;
  line-height: 1.55;
  letter-spacing: 0;
}

.b64text-converter-tool__grid {
  display: grid;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.b64text-converter-tool__panel {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.13);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.b64text-converter-tool__panel:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.36);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.34);
}

.b64text-converter-tool__result-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.b64text-converter-tool__panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-width: 0;
  margin-bottom: 14px;
}

.b64text-converter-tool__panel-head label {
  color: #ffffff;
  font-weight: 750;
  line-height: 1.25;
  letter-spacing: 0;
}

.b64text-converter-tool__textarea {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  resize: vertical;
  border: 1px solid rgba(226, 239, 255, 0.28);
  border-radius: 16px;
  outline: none;
  background: rgba(8, 18, 38, 0.68);
  color: #ffffff;
  line-height: 1.55;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.b64text-converter-tool__textarea::placeholder {
  color: rgba(230, 240, 255, 0.56);
}

.b64text-converter-tool__textarea:focus {
  border-color: rgba(96, 239, 255, 0.86);
  background: rgba(8, 18, 38, 0.78);
  box-shadow: 0 0 0 4px rgba(96, 239, 255, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.b64text-converter-tool__button {
  max-width: 100%;
  min-width: 0;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
  touch-action: manipulation;
}

.b64text-converter-tool__button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.3), 0 0 24px rgba(91, 225, 255, 0.18);
}

.b64text-converter-tool__button:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.92);
  outline-offset: 3px;
}

.b64text-converter-tool__button--primary {
  width: 100%;
  margin-top: 14px;
  background: linear-gradient(135deg, #00d4ff, #7c3aed 58%, #ff4fb8);
}

.b64text-converter-tool__button--secondary {
  flex: 1 1 0;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.16);
}

.b64text-converter-tool__button--ghost {
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.11);
}

.b64text-converter-tool__result {
  flex: 1 1 auto;
  width: 100%;
  max-width: 100%;
  min-height: 0;
  max-height: 360px;
  overflow-y: auto;
  overflow-x: hidden;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: pre-wrap;
  border: 1px solid rgba(226, 239, 255, 0.25);
  border-radius: 16px;
  background: rgba(8, 18, 38, 0.68);
  color: #ffffff;
  line-height: 1.58;
}

.b64text-converter-tool__result--placeholder {
  color: rgba(230, 240, 255, 0.58);
}

.b64text-converter-tool__result--error {
  color: #ffe6ea;
  border-color: rgba(255, 122, 150, 0.65);
  background: rgba(88, 18, 39, 0.58);
}

.b64text-converter-tool__result--fade {
  animation: b64text-converter-tool-fade 220ms ease;
}

.b64text-converter-tool__result::-webkit-scrollbar {
  width: 10px;
}

.b64text-converter-tool__result::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
}

.b64text-converter-tool__result::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #00d4ff, #ff4fb8);
  border-radius: 999px;
}

.b64text-converter-tool__actions {
  display: flex;
  flex-shrink: 0;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

@keyframes b64text-converter-tool-fade {
  from {
    opacity: 0.35;
    transform: translateY(3px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 320px) and (max-width: 374px) {
  .b64text-converter-tool {
    padding: 32px 12px;
    border-radius: 0 !important;
  }

  .b64text-converter-tool__inner {
    width: 100%;
  }

  .b64text-converter-tool h1 {
    font-size: clamp(1.5rem, 5vw, 2.8rem);
  }

  .b64text-converter-tool__subtitle {
    font-size: 0.94rem;
  }

  .b64text-converter-tool__grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 24px;
  }

  .b64text-converter-tool__panel {
    padding: 16px;
  }

  .b64text-converter-tool__panel-head {
    align-items: stretch;
    flex-direction: column;
  }

  .b64text-converter-tool__textarea {
    width: 100%;
    min-height: 190px;
    padding: 13px;
    font-size: 0.95rem;
  }

  .b64text-converter-tool__button {
    min-height: 44px;
    padding: 12px 14px;
    font-size: 0.92rem;
  }

  .b64text-converter-tool__result {
    max-height: 280px;
    padding: 13px;
    font-size: 0.94rem;
  }

  .b64text-converter-tool__actions {
    flex-direction: column;
    gap: 10px;
    margin-top: 14px;
  }
}

@media (min-width: 375px) and (max-width: 429px) {
  .b64text-converter-tool {
    padding: 38px 16px;
    border-radius: 0 !important;
  }

  .b64text-converter-tool__inner {
    width: 100%;
  }

  .b64text-converter-tool h1 {
    font-size: clamp(1.5rem, 5vw, 2.8rem);
  }

  .b64text-converter-tool__subtitle {
    font-size: 0.98rem;
  }

  .b64text-converter-tool__grid {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 26px;
  }

  .b64text-converter-tool__panel {
    padding: 18px;
  }

  .b64text-converter-tool__textarea {
    width: 100%;
    min-height: 205px;
    padding: 14px;
    font-size: 0.98rem;
  }

  .b64text-converter-tool__button {
    min-height: 46px;
    padding: 12px 16px;
    font-size: 0.94rem;
  }

  .b64text-converter-tool__result {
    max-height: 300px;
    padding: 14px;
    font-size: 0.96rem;
  }

  .b64text-converter-tool__actions {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
  }
}

@media (min-width: 430px) and (max-width: 767px) {
  .b64text-converter-tool {
    padding: 44px 20px;
    border-radius: 0 !important;
  }

  .b64text-converter-tool__inner {
    width: 100%;
  }

  .b64text-converter-tool h1 {
    font-size: clamp(1.5rem, 5vw, 2.8rem);
  }

  .b64text-converter-tool__subtitle {
    font-size: 1rem;
  }

  .b64text-converter-tool__grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

  .b64text-converter-tool__panel {
    padding: 20px;
  }

  .b64text-converter-tool__textarea {
    width: 100%;
    min-height: 220px;
    padding: 15px;
    font-size: 1rem;
  }

  .b64text-converter-tool__button {
    min-height: 48px;
    padding: 13px 18px;
    font-size: 0.96rem;
  }

  .b64text-converter-tool__result {
    max-height: 320px;
    padding: 15px;
    font-size: 0.98rem;
  }

  .b64text-converter-tool__actions {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .b64text-converter-tool {
    padding: 56px 28px;
    border-radius: 0 !important;
  }

  .b64text-converter-tool__inner {
    width: 100%;
  }

  .b64text-converter-tool h1 {
    font-size: clamp(1.5rem, 5vw, 2.8rem);
  }

  .b64text-converter-tool__subtitle {
    font-size: 1.05rem;
  }

  .b64text-converter-tool__grid {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 34px;
  }

  .b64text-converter-tool__panel {
    padding: 24px;
  }

  .b64text-converter-tool__textarea {
    width: 100%;
    min-height: 240px;
    padding: 16px;
    font-size: 1rem;
  }

  .b64text-converter-tool__button {
    min-height: 50px;
    padding: 14px 20px;
    font-size: 1rem;
  }

  .b64text-converter-tool__result {
    max-height: 340px;
    padding: 16px;
    font-size: 1rem;
  }

  .b64text-converter-tool__actions {
    flex-direction: row;
    gap: 12px;
    margin-top: 16px;
  }
}

@media (min-width: 1024px) and (max-width: 1199px) {
  .b64text-converter-tool {
    padding: 68px 34px;
    border-radius: 0 !important;
  }

  .b64text-converter-tool__inner {
    width: 100%;
  }

  .b64text-converter-tool h1 {
    font-size: clamp(1.5rem, 5vw, 2.8rem);
  }

  .b64text-converter-tool__subtitle {
    font-size: 1.08rem;
  }

  .b64text-converter-tool__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 26px;
    margin-top: 38px;
    align-items: stretch;
  }

  .b64text-converter-tool__panel {
    padding: 26px;
  }

  .b64text-converter-tool__textarea {
    width: 100%;
    min-height: 290px;
    padding: 17px;
    font-size: 1rem;
  }

  .b64text-converter-tool__button {
    min-height: 50px;
    padding: 14px 22px;
    font-size: 1rem;
  }

  .b64text-converter-tool__result {
    max-height: 398px;
    padding: 17px;
    font-size: 1rem;
  }

  .b64text-converter-tool__actions {
    flex-direction: row;
    gap: 12px;
    margin-top: 16px;
  }
}

@media (min-width: 1200px) {
  .b64text-converter-tool {
    padding: 76px 40px;
    border-radius: 0 !important;
  }

  .b64text-converter-tool__inner {
    width: 100%;
  }

  .b64text-converter-tool h1 {
    font-size: clamp(1.5rem, 5vw, 2.8rem);
  }

  .b64text-converter-tool__subtitle {
    font-size: 1.1rem;
  }

  .b64text-converter-tool__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 30px;
    margin-top: 42px;
    align-items: stretch;
  }

  .b64text-converter-tool__panel {
    padding: 30px;
  }

  .b64text-converter-tool__textarea {
    width: 100%;
    min-height: 310px;
    padding: 18px;
    font-size: 1.02rem;
  }

  .b64text-converter-tool__button {
    min-height: 52px;
    padding: 15px 24px;
    font-size: 1rem;
  }

  .b64text-converter-tool__result {
    max-height: 420px;
    padding: 18px;
    font-size: 1.02rem;
  }

  .b64text-converter-tool__actions {
    flex-direction: row;
    gap: 14px;
    margin-top: 18px;
  }
}