:root {
    --primary-blue: #005b97;
    --secondary-blue: #6497b1;
}

* {
    font-family: "Ubuntu", sans-serif;
}

body {
    background: #f7f7f7;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    margin: 0;
    padding-top: 60px;
}

.container {
    width: calc(100% - 130px);
    display: flex;
    margin: 70px 65px;
}

.left-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 100%;
}
.input-textarea, .output-textarea {
    width: 100%;
    max-width: 700px;
    min-height: 250px;
    resize: vertical;
    padding: 20px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 20px;
    box-sizing: border-box;
}
button {
    padding: 10px 30px;
    font-size: 16px;
    background: var(--secondary-blue);
    color: #fff;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    transition: background 0.2s;
}
button:hover {
    background: var(--primary-blue);
}
button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(0);
}
button .spinner {
  border: 2px solid transparent;
  border-top: 2px solid white;
  border-right: 2px solid white;
  border-radius: 50%;
  width: 10px;
  height: 10px;
  animation: spin 0.8s linear infinite;
  display: inline-block;
  vertical-align: middle;
  margin-left: 10px;
  margin-right: -4px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.wave-background {
    position: fixed;
    left: 0;
    right: 0;
    bottom: -50px;
    background-size: cover;
    z-index: -100;
    pointer-events: none;
    width: 100vw;
}