/* Base */
.zf-icon-btn {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    border: none;
    border-radius: 27px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    transition: background 0.3s ease, color 0.3s ease;
    line-height: 1;
}

.zf-icon-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.zf-icon-btn__icon svg,
.zf-icon-btn__icon img {
    width: 16px;
    height: 16px;
}

/* Default variant */
.zf-icon-btn--default {
    height: 36px;
    padding: 0 16px;
    gap: 8px;
    background: var(--blue, #1870D1);
    color: var(--white, #fff);
}

.zf-icon-btn--default:hover:not(:disabled) {
    background: var(--ocean-blue, #07C3D6);
}

/* Round variant */
.zf-icon-btn--round {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #246DFF;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.zf-icon-btn--round .zf-icon-btn__icon svg {
    fill: var(--white, #fff);
}

.zf-icon-btn--round:hover:not(:disabled) {
    background-color: var(--ocean-blue, #07C3D6);
}

.zf-icon-btn--round:hover:not(:disabled) .zf-icon-btn__icon svg {
    animation: zf-icon-slide-in-top 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

/* Tooltip */
.zf-icon-btn__tooltip {
    position: absolute;
    right: -105px;
    opacity: 0;
    background-color: rgb(12, 12, 12);
    color: var(--white, #fff);
    padding: 5px 10px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition-duration: 0.2s;
    pointer-events: none;
    letter-spacing: 0.5px;
    font-size: 13px;
    white-space: nowrap;
}

.zf-icon-btn__tooltip::before {
    position: absolute;
    content: "";
    width: 10px;
    height: 10px;
    background-color: rgb(12, 12, 12);
    transform: rotate(45deg);
    left: -5%;
}

.zf-icon-btn--round:hover .zf-icon-btn__tooltip {
    opacity: 1;
}

/* Inline variant */
.zf-icon-btn--inline {
    padding: 0.8em 1.5em 0.8em 1.2em;
    gap: 8px;
    background: #246DFF;
    color: var(--white, #fff);
    font-size: 17px;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: 20em;
}

.zf-icon-btn--inline:hover:not(:disabled) {
    background: var(--ocean-blue, #07C3D6);
}

.zf-icon-btn--inline:active {
    background: #246DFF;
}

/* Send variant */
.zf-icon-btn--send {
    height: 42px;
    padding: 0 20px;
    gap: 8px;
    background: var(--blue, #1870D1);
    color: var(--white, #fff);
    position: relative;
    overflow: hidden;
}

.zf-icon-btn--send:hover:not(:disabled) {
    background: var(--ocean-blue, #07C3D6);
}

.zf-icon-btn--send .zf-icon-btn__icon-wrapper {
    position: relative;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    overflow: hidden;
}

.zf-icon-btn--send .zf-icon-btn__icon--1,
.zf-icon-btn--send .zf-icon-btn__icon--2 {
    position: absolute;
    top: 0;
    left: 0;
    transition: transform 0.4s ease;
}

.zf-icon-btn--send .zf-icon-btn__icon--2 {
    transform: translateX(-100%);
}

.zf-icon-btn--send .zf-icon-btn__text {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.zf-icon-btn--active .zf-icon-btn__icon--1 {
    transform: translateX(100%);
}

.zf-icon-btn--active .zf-icon-btn__icon--2 {
    transform: translateX(0);
}

.zf-icon-btn--active .zf-icon-btn__text {
    opacity: 0;
    transform: translateX(10px);
}

@keyframes zf-icon-slide-in-top {
    0% { transform: translateY(-10px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}