.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 18px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
}

.form-group input,
.form-group select {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    border: 1px solid #444;
    border-radius: 4px;
    background: #1f1f1f;
    color: #ffffff;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #4ea1ff;
}

.form-group select:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.checkbox-item {
    min-height: 36px;
    padding: 6px 10px;
    font-size: 14px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 42px;
    padding: 10px;
    background: #1f1f1f;
    border: 1px solid #444;
    border-radius: 4px;
    cursor: pointer;
    transition: 0.2s;
}

.checkbox-group label:hover {
    border-color: #4ea1ff;
}

.checkbox-group input[type="checkbox"] {
    margin: 0;
    width: auto;
    height: auto;
}

.form-buttons {
    display: flex;
    gap: 10px;
}

.btn-submit {
    flex: 1;
    width: auto;

    display: flex;
    justify-content: center;
    align-items: center;

    height: 48px;
    border: none;
    border-radius: 6px;
    background: #4ea1ff;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

.btn-submit:hover {
    background: #3c92f2;
}

.form-error:empty,
.form-success:empty,
.form-warning:empty {
    display: none;
}

.form-success {
    margin-top: 15px;
    padding: 12px;
    border-radius: 6px;
    background: rgba(0, 180, 0, 0.15);
    border: 1px solid rgba(0, 180, 0, 0.4);
    color: #8cff8c;
}

.form-error {
    margin-top: 15px;
    padding: 12px;
    border-radius: 6px;
    background: rgba(255, 0, 0, 0.15);
    border: 1px solid rgba(255, 0, 0, 0.4);
    color: #ff9d9d;
}

.form-warning {
    margin-top: 15px;
    padding: 12px;
    border-radius: 6px;
    background: rgba(255, 152, 0, 0.15);
    border: 1px solid rgba(255, 152, 0, 0.4);
    color: #ff9800;
}