.btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 11px 16px 11px 44px;
    margin-bottom: 10px;
    border-radius: var(--btn-radius);
    text-decoration: none;
    border: 1px solid transparent;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    outline: none;
    transform: translateY(0);
}

.btn::before {
    content: "";
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.12);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
    opacity: 0.96;
}

.btn-google {
    background: var(--btn-google-bg);
    color: var(--btn-google-text);
    border-color: rgba(0, 0, 0, 0.06);
}

.btn-github {
    background: var(--btn-github-bg);
    color: var(--btn-github-text);
}

.btn-microsoft {
    background: var(--btn-microsoft-bg);
    color: var(--btn-microsoft-text);
}

.btn-apple {
    background: var(--btn-apple-bg);
    color: var(--btn-apple-text);
}

.btn-phone {
    background: var(--btn-phone-bg);
    color: var(--btn-phone-text);
}

.btn-email {
    background: var(--btn-email-bg);
    color: var(--btn-email-text);
}

.btn-google::before {
    background-image: url('../icons/google.svg');
}

.btn-github::before {
    background-image: url('../icons/github.svg');
}

.btn-microsoft::before {
    background-image: url('../icons/microsoft.svg');
}

.btn-apple::before {
    background-image: url('../icons/apple.svg');
}

.btn-phone::before {
    background-image: url('../icons/phone.svg');
}

.btn-email::before {
    background-image: url('../icons/email.svg');
}

/* Save button - blue background with save icon */
.btn-save {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #ffffff;
    border: none;
}

.btn-save:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

.btn-save::before {
    background-image: url('../icons/save.svg');
    filter: brightness(0) invert(1);
}